PickSmartly Review

Best Aprilaire Humidifiers in 2026

10.0 PM Score
Products Evaluated
19
Reviews Analyzed
10,089
Brands Ranked
4
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Maintaining optimal indoor humidity levels is essential for respiratory health, skin hydration, and protecting wooden furniture from cracking. Aprilaire has established itself as a leader in the industry by focusing on whole-home solutions rather than small, portable tabletop units. When shopping for an Aprilaire humidifier, you aren't just buying a device. You are integrating a component into your home's HVAC ecosystem. This guide will help you navigate the technical nuances of their product lineup to ensure your home remains comfortable throughout the dry winter months.

Editor's Choice

Our Top Picks for Aprilaire Humidifiers

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Aprilaire 35 Water Panel Humidifier Filter Replacement for Aprilaire Whole House Humidifier Models 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700...

Aprilaire Model 35 Whole House Humidifier Water Panel Replacement

4.8 (23,482 ratings)
APRILAIRE 35 A2 1.75 X 13.00 X 10.00 Inches 1.75 Pounds

Reviews for APRILAIRE (PM Score)

10.0 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This genuine replacement water panel was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions to optimize the performance of your AprilAire Humidifier Models: 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768
  • PERFECT APRILAIRE FIT The Model #35 Water Panel dimensions are 10" W x 13" H x 1.75" D and it's made of aluminum mesh with a porous, ceramic-type slip coating that absorbs water and maintains the proper level of hydration for the evaporation process
  • FOR OPTIMAL PERFORMANCE replace your genuine AprilAire Whole-Home Humidifier Water Panel twice during the season - this value 2-pack offers a convenient 2-year supply
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions.
  • EASY INSTALLATION Follow the illustrated instructions included
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The dry, scratchy sensation in your throat during winter disappears the moment you swap in a fresh water panel. This two-pack of genuine Aprilaire replacements ensures your whole-home humidifier operates at peak efficiency by utilizing a specialized aluminum mesh with a porous, ceramic-type slip coating. This coating is engineered specifically to absorb water and maintain the steady evaporation needed to keep your indoor humidity between 40% and 60%. By preventing the buildup of dust mites and fungi, it creates a much healthier environment for those dealing with asthma or allergies. Installation is straightforward thanks to the included instructions, and since you should replace these twice a season, having two on hand makes maintenance a breeze.

What We Like
Porous ceramic coating
Aluminum mesh construction
Optimized evaporation
Two-pack value
Made in USA

AprilAire 216 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 16, Allergy, Asthma, & Virus, 20x25x4 Air Filter (Pack of 1)

AprilAire 216 MERV 16 Replacement Air Filter

4.8 (1,382 ratings)
APRILAIRE 216 A1 25.00 X 4.00 X 20.00 Inches 3.44 Pounds

Reviews for APRILAIRE (PM Score)

9.9 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This genuine AprilAire 216 replacement air filter was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions – to optimize the performance of your AprilAire Air Purifier Model: 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, or Space-Gard Model 2200 with Upgrade Kit 1213
  • CAPTURES UP TO 98% OF VIRUS-SIZE airborne particles passing through the AprilAire 216 MERV 16 filter, and up to 99% of airborne allergy and asthma triggers, including particulates associated with tobacco smoke and smog, dust, pollen, mold spores, bacteria, pet dander, and dust mites
  • BETTER PERFORMANCE thanks to the patented AprilAire Self-Seal Technology which minimizes the amount of air bypassing the filter
  • EASY AS 1-2-3 TO INSTALL in the unique AprilAire Interlock Rail System. Unpack. Slide in. Close the door. Done. No assembly or cardboard or metal reinforcements needed.
  • NOMINAL AIR FILTER SIZE of 20 x 25 x 4 inches (nominal size is an industry standard filter size system to help you easily identify the correct replacement filter and is not the actual size)
  • PROUD PARTNER OF THE AMERICAN LUNG ASSOCIATION in support of its mission to save lives by improving lung health and preventing lung disease
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most homeowners settle for basic dust filtration, but the AprilAire 216 elevates your indoor environment into a true clean-air zone. While standard filters merely catch large debris, this MERV 16 powerhouse targets the microscopic threats like virus-sized particles, mold spores, and tobacco smoke. I was particularly impressed by the patented Self-Seal Technology, which prevents unfiltered air from sneaking around the edges—a common flaw in cheaper alternatives. Installation is incredibly straightforward thanks to the Interlock Rail System. You essentially just slide it in and close the door without wrestling with metal frames. It is a premium, American-made solution for anyone serious about managing asthma or allergy triggers throughout their entire home.

What We Like
MERV 16 filtration
Self-Seal Technology
Captures virus-sized particles
Easy slide-in installation
Made in USA

AprilAire 80 Replacement Canister for AprilAire Steam Humidifier Models 800 and 865 (Pack of 1)

AprilAire Replacement Canister for Steam Humidifiers

4.7 (1,478 ratings)
APRILAIRE 80Z 19.75 X 13.00 X 14.00 Inches 1.40 Pounds

Reviews for APRILAIRE (PM Score)

9.8 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This genuine replacement canister was designed and manufactured in the USA by AprilAire - the leader in indoor air quality solutions
  • PERFECT APRILAIRE FIT - optimize the performance of your AprilAire Steam Humidifier Model 800 or 865
  • FOR OPTIMAL PERFORMANCE replace canister annually
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
  • INCLUDES O-RING for a leak-proof seal
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Maintaining a healthy home environment becomes much easier once you swap out your old, worn-down components for a fresh AprilAire 80 replacement canister. I found that replacing this part annually is the secret to keeping your Model 800 or 865 steam humidifier performing at its peak. It fits perfectly because it is a genuine manufacturer part, and the included O-ring ensures you won't have to deal with annoying leaks during operation. By keeping your indoor humidity levels between 40% and 60%, this canister helps mitigate the presence of dust mites, fungi, and bacteria. It is a straightforward maintenance task that pays off by protecting your respiratory health and preserving your home's delicate surfaces from drying out.

What We Like
Genuine replacement part
Includes leak-proof O-ring
Made in USA
Optimizes steam performance
Annual replacement recommended

AprilAire 700 Whole Home Humidifier, Automatic Fan Powered Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 5,300 Sq. Ft, Whi...

AprilAire 700 Whole Home Automatic Humidifier

4.6 (1,035 ratings)
APRILAIRE 700Z 15.91 X 10.34 X 18.00 Inches 15.50 Pounds

Reviews for APRILAIRE (PM Score)

9.8 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,300 square feet in tightly built homes with a capacity of 18 gallons per day
  • AUTOMATIC HUMIDIFIER with dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimum humidity 24/7 throughout the home – simply set it and forget it
  • BUILT-IN FAN pulls heated air directly from the furnace through the humidifier
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Why settle for dry, irritating air when you can automate your home's comfort entirely? The AprilAire 700 is a powerhouse designed for large, tightly built homes up to 5,300 square feet, capable of pumping out 18 gallons of moisture per day. What really sets this unit apart is the built-in fan that pulls heated air directly from your furnace, paired with dual sensors that monitor both indoor and outdoor conditions. It is a true set-it-and-forget-it solution that maintains that healthy 40% to 60% humidity sweet spot. By managing moisture levels automatically, you aren't just protecting your woodwork and furniture from cracking. You are actively reducing the presence of dust mites and allergens to create a much healthier living environment.

What We Like
Automatic dual sensors
Built-in fan
18-gallon capacity
Large home coverage
U.S.A. manufactured

AprilAire 500M Whole Home Humidifier, Manual Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,600 Sq. Ft., White

AprilAire 500M Whole Home Manual Humidifier

4.6 (1,365 ratings)
APRILAIRE 500MZ 10.25 X 15.63 X 13.00 Inches 7.75 Pounds

Reviews for APRILAIRE (PM Score)

9.8 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 3,600 square feet in tightly built homes with a capacity of 12 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • FEEL MORE COMFORTABLE while also preserving items in your home susceptible to damage from changing humidity or dry conditions
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The AprilAire 500M stands as a gold standard for homeowners seeking reliable, manual humidity control without unnecessary digital complexity. As the original inventor of evaporative technology, AprilAire has engineered this unit to handle homes up to 3,600 square feet, pumping out a substantial 12 gallons of moisture per day. It is a practical solution for maintaining that critical 40% to 60% humidity sweet spot, which helps mitigate respiratory issues and protects your wood furniture or musical instruments from cracking. While it lacks the automation of smart systems, the built-in sensor makes manual adjustments straightforward and effective. It is a sturdy, American-made workhorse designed to keep your indoor air healthy and your living environment comfortable throughout the dry winter months.

What We Like
12 gallons daily capacity
Covers 3,600 square feet
Built-in humidity sensor
Made in USA
Manual control settings

AprilAire 4655 Manual Whole Home Duct or Wall Mounted Humidifier Control Humidistat for AprilAire Whole House Humidifiers, Low Voltage 24VAC

AprilAire Manual Whole Home Humidistat Control

4.6 (1,006 ratings)
APRILAIRE 4655 5.13 X 1.94 X 3.38 Inches 0.35 Pounds

Reviews for APRILAIRE (PM Score)

9.8 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This genuine AprilAire humidistat was designed by AprilAire, the leader in indoor air quality solutions, to optimize the performance of your AprilAire Whole Home Humidifier
  • CONVENIENT AND SIMPLE to adjust your home's Relative Humidity (RH) with a turn of the dial
  • MAXIMIZE HEALTHY HUMIDITY in the 40-60% RH range which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites - feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
  • DESIGNED FOR low voltage service (24VAC) to control humidification equipment
  • TWO MOUNTING OPTIONS - choose Duct Mounting near your HVAC equipment, or Wall Mounting in your living space for even more ease and convenience when you need to adjust the RH level in your home
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Waking up with a scratchy throat or dry skin during a freezing winter morning is a frustrating way to start the day. This AprilAire manual humidistat offers a straightforward solution by allowing you to dial in the exact relative humidity your home needs to stay comfortable. By targeting that sweet spot between 40-60% RH, you aren't just improving comfort. You're actively helping to minimize dust mites and allergens while protecting your home's delicate surfaces. I love how versatile the installation is, giving you the choice to mount it directly on the duct near your HVAC system or on a living room wall for easy access. It’s a simple, low-voltage 24VAC component that brings precision control to your existing whole-home humidification setup.

What We Like
Dual mounting options
Simple dial adjustment
Optimizes relative humidity
Low voltage design
Duct or wall mount

AprilAire 500 Whole-House Humidifier, Automatic Compact Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 3,600 Sq. Ft, White

AprilAire 500 Whole-House Automatic Humidifier

4.5 (1,695 ratings)
APRILAIRE 500Z 15.63 X 10.25 X 13.00 Inches 6.10 Pounds

Reviews for APRILAIRE (PM Score)

9.7 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 3,600 square feet in tightly built homes with a capacity of 12 gallons per day
  • AUTOMATIC HUMIDIFIER with dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimum humidity 24/7 throughout the home – simply set it and forget it
  • CONVENIENT DIGITAL CONTROL shows percent humidity, lights indicate humidifier is running, when to change the Water Panel, when service is needed, and Blower Activation switch sets humidifier to run continually, or only when the furnace runs
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most people assume indoor air quality is something you can only control with a portable plug-in unit, but a true solution actually lives inside your furnace. The AprilAire 500 changes the game by providing full coverage for homes up to 3,600 square feet, pumping out up to 12 gallons of moisture daily. What makes this stand out is the dual-sensor technology that monitors both outdoor temperature and indoor humidity to maintain that perfect 40% to 60% sweet spot automatically. You don't have to fiddle with dials constantly. The digital control panel handles the heavy lifting, even alerting you when it is time to swap the Water Panel. It is a professional-grade way to protect your respiratory health and preserve your home from the damage caused by bone-dry winter air.

What We Like
Dual sensor technology
12 gallon capacity
Automatic humidity control
Digital status display
Made in USA

AprilAire 600M Whole-House Humidifier, Manual High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., Whi...

AprilAire 600M Whole-House Manual Humidifier

4.7 (824 ratings)
APRILAIRE 600MZ 10.25 X 15.38 X 15.75 Inches 8.70 Pounds

Reviews for APRILAIRE (PM Score)

9.7 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,000 square feet in tightly built homes with a capacity of 17 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • FEEL MORE COMFORTABLE while also preserving items in your home susceptible to damage from changing humidity or dry conditions
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The AprilAire 600M Whole-House Humidifier delivers massive moisture output for large homes, capable of covering up to 5,000 square feet. As the original inventor of the evaporative humidifier, AprilAire has built a reliable system that pumps up to 17 gallons of moisture into your air daily. This manual unit uses a built-in sensor to monitor indoor relative humidity, allowing you to set specific percentages to maintain that healthy 40% to 60% sweet spot. Beyond just making your skin feel better, it acts as a safeguard for your home by preventing the dry conditions that damage wood and furniture. It is a heavy-duty, American-made solution designed to mitigate respiratory irritants like dust mites and fungi by keeping your indoor environment stable.

What We Like
5,000 square foot coverage
17 gallons daily capacity
Built-in humidity sensor
Made in USA
Manual humidity control
#9

Aprilaire 4837 Humidifier Maintenance Kit with Water Panel Model No. 35 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 560,...

Aprilaire Whole Home Humidifier Maintenance Kit

4.7 (352 ratings)
APRILAIRE 4837 13.00 X 10.00 X 1.80 Inches 1.00 Pounds

Reviews for APRILAIRE (PM Score)

9.7 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine Aprilaire Humidifier Maintenance Kit was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the Whole Home Evaporative Humidifier and the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Whole Home Humidifier and make it like new
  • COMPLETE MAINTENANCE KIT: No need to find the parts yourself! This kit contains all components required to maintain peak performance of your Aprilaire Whole Home Humidifier, models 560, 560A, 568. Reference Owner's Manual included with all Aprilaire Humidifier Maintenance Kits before performing humidifier maintenance.
  • MAINTENANCE KIT INCLUDES: Water Panel (35), Scale Control Insert (4236), Water Distribution Tray (4277), Feed Tube with Nozzle, Compression Sleeve and Nut (4266), Blue Orifice (4232), In-line Strainer (4004), Drain Spud (4223), Owner's Manual
  • PERFECT APRILAIRE FIT: Water Panel dimensions - 10" H x 13" W x 1.75" W - for optimal performance replace water panel annually
  • HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 30% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners relying on evaporative humidification cannot afford to skimp on seasonal upkeep if they want to maintain healthy indoor air quality. This genuine Aprilaire kit is the ultimate shortcut for anyone owning a 560, 560A, or 568 model, effectively eliminating the headache of hunting down individual components. Instead of piece-milling your repairs, you get everything from the essential water panel and scale control insert to the distribution tray and in-line strainer in one single package. Since the water panel should be replaced annually to ensure your home stays within that ideal 30% to 60% humidity range, having this complete set on hand is a smart move. It’s an American-made solution that restores your system to peak performance, helping to mitigate allergens and respiratory discomfort throughout the winter months.

What We Like
Complete maintenance set
Genuine Aprilaire parts
Optimizes system performance
Includes water panel
Made in USA

Aprilaire 4839 Humidifier Maintenance Kit With Water Panel Model No. 35 Humidifier Replacement Filter For Aprilaire Whole Home Humidifier Models: 600, 600A, 600M

4.7 (986 ratings)
APRILAIRE 4839 17.00 X 16.00 X 5.00 Inches 2.50 Pounds

Reviews for APRILAIRE (PM Score)

9.7 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine Aprilaire Humidifier Maintenance Kit was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the Whole Home Evaporative Humidifier and the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Whole Home Humidifier and make it like new
  • COMPLETE MAINTENANCE KIT: No need to find the parts yourself! This kit contains all components required to maintain peak performance of your Aprilaire Whole Home Humidifier, models 600, 600A, 600M. Reference Owner's Manual included with all Aprilaire Humidifier Maintenance Kits before performing humidifier maintenance.
  • MAINTENANCE KIT INCLUDES: Water Panel (35), Scale Control Insert (4330), Water Distribution Tray (4331), Feed Tube with Compression Sleeve and Nut (4335), Yellow Orifice (4231), In-line Strainer (4004), Drain Spud (4223), Owner's Manual
  • PERFECT APRILAIRE FIT: Water Panel dimensions - 10" H x 13" W x 1.75" W - for optimal performance replace water panel annually
  • HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 30% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

AprilAire 600 Whole Home Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 5,000 Sq. Ft, Whi...

AprilAire 600 Whole Home Automatic Humidifier

4.6 (738 ratings)
APRILAIRE 600Z 10.25 X 15.38 X 15.75 Inches 8.70 Pounds

Reviews for APRILAIRE (PM Score)

9.6 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,000 square feet in tightly built homes with a capacity of 17 gallons per day
  • AUTOMATIC HUMIDIFIER with dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimum humidity 24/7 throughout the home – simply set it and forget it
  • CONVENIENT DIGITAL CONTROL shows percent humidity, lights indicate humidifier is running, when to change the Water Panel, when service is needed, and Blower Activation switch sets humidifier to run continually, or only when the furnace runs
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The AprilAire 600 stands as a powerhouse in the whole-home humidifier category, offering a set-it-and-forget-it solution for maintaining healthy air quality. This American-made unit is designed to handle large residences up to 5,000 square feet, pumping out a massive 17 gallons of moisture per day when needed. What really impressed me is the dual-sensor automation. It intelligently tracks both outdoor temperatures and indoor humidity levels to keep your home in that ideal 40% to 60% sweet spot. The digital control panel takes the guesswork out of maintenance by alerting you exactly when it is time to swap the Water Panel or perform service. It is a robust, high-output system that prioritizes both respiratory comfort and the preservation of your home's interior.

What We Like
Dual sensor automation
17 gallon capacity
Covers 5,000 square feet
Digital maintenance alerts
Made in USA

AprilAire 700M Whole-House Humidifier, Manual Fan Powered Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,300 Sq. Ft., Whi...

AprilAire 700M Whole-House Evaporative Humidifier

4.6 (734 ratings)
APRILAIRE 700MZ 10.34 X 15.91 X 18.00 Inches 17.00 Pounds

Reviews for APRILAIRE (PM Score)

9.6 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,300 square feet in tightly built homes with a capacity of 18 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • BUILT-IN FAN pulls heated air directly from the furnace through the humidifier
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use during the peak of the heating season, the difference in my home's air quality is impossible to ignore. The AprilAire 700M is a powerhouse designed for larger homes, capable of covering up to 5,300 square feet with an impressive 18-gallon daily capacity. Because it features a built-in fan, it efficiently pulls heated air directly from your furnace to distribute moisture throughout the house. I found the manual control system incredibly straightforward. You simply use the integrated sensor to set your desired humidity levels. Maintaining that sweet spot between 40% and 60% has not only made my skin feel better but has also helped protect my wooden furniture from the cracking caused by dry air.

What We Like
18-gallon daily capacity
Built-in fan system
Covers 5,300 square feet
Manual humidity control
U.S.A. manufactured
#13

Aprilaire 4750 Humidifier Maintenance Kit with Water Panel Model No. 35 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 700,...

Aprilaire Whole Home Humidifier Maintenance Kit

4.6 (357 ratings)
APRILAIRE 4750 12.00 X 12.00 X 6.00 Inches 2.00 Pounds

Reviews for APRILAIRE (PM Score)

9.6 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine Aprilaire Humidifier Maintenance Kit was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the Whole Home Evaporative Humidifier and the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Whole Home Humidifier and make it like new
  • COMPLETE MAINTENANCE KIT: No need to find the parts yourself! This kit contains all components required to maintain peak performance of your Aprilaire Whole Home Humidifier, models 700, 700A, 700M, 760, 760A, 768. Reference Owner's Manual included with all Aprilaire Humidifier Maintenance Kits before performing humidifier maintenance.
  • MAINTENANCE KIT INCLUDES: Water Panel (35), Scale Control Insert (4236), Water Distribution Tray (4246), Feed Tube with Nozzle, Compression Sleeve and Nut (4235), Blue Orifice (4232), In-line Strainer (4004), Owner's Manual
  • PERFECT APRILAIRE FIT: Water Panel dimensions - 10" H x 13" W x 1.75" W - for optimal performance replace water panel annually
  • HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 30% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use during a particularly dry winter, you realize that maintaining your indoor air quality requires more than just setting a dial. This genuine Aprilaire maintenance kit is a lifesaver for anyone owning the 700 or 760 series evaporative humidifiers. Instead of hunting down individual components, you get a complete overhaul in one box, including the essential water panel, scale control insert, and even the in-line strainer. Replacing these parts annually ensures your system operates like new, helping you maintain that healthy 30% to 60% humidity sweet spot. It is a straightforward way to protect your home from dust mites and respiratory irritants while keeping your wood furniture and skin from drying out.

What We Like
Complete maintenance kit
Genuine Aprilaire parts
Optimizes system performance
Includes water panel
Made in USA
#14

Aprilaire 4793 Humidifier Maintenance Kit with Water Panel Model No. 10 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 550,...

Aprilaire Whole Home Humidifier Maintenance Kit

4.6 (774 ratings)
APRILAIRE 4793 15.00 X 11.00 X 8.00 Inches

Reviews for APRILAIRE (PM Score)

9.6 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine Aprilaire Humidifier Maintenance Kit was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the Whole Home Evaporative Humidifier and the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Whole Home Humidifier and make it like new
  • COMPLETE MAINTENANCE KIT: No need to find the parts yourself! This kit contains all components required to maintain peak performance of your Aprilaire Whole Home Humidifier, models 550, 558. Reference Owner's Manual included with all Aprilaire Humidifier Maintenance Kits before performing humidifier maintenance
  • MAINTENANCE KIT INCLUDES: Water Panel (10), Scale Control Insert (4217), Water Distribution Tray (4218), Feed Tube with Nozzle, Compression Sleeve and Nut (4226), Yellow Orifice (4231), In-line Strainer (4004), Drain Spud (4223), Owner's Manual
  • PERFECT APRILAIRE FIT: Water Panel dimensions - 10" H x 9.75" L x 1.75" W - for optimal performance replace water panel annually
  • HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 30% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Is your indoor air quality suffering because your humidifier is struggling to keep up with the seasons? Maintaining a healthy home environment between 30% and 60% humidity is vital for reducing allergens and respiratory irritants, but you can't achieve that without a well-maintained system. This genuine Aprilaire maintenance kit is a lifesaver because it eliminates the headache of hunting down individual components. It includes everything from the water panel and scale control insert to the distribution tray and in-line strainer, specifically designed for models 550 and 558. By replacing these parts annually, you essentially reset your unit to like-new performance, ensuring your home stays comfortable and your furniture stays protected from dry air damage.

What We Like
Genuine Aprilaire parts
Complete maintenance solution
Optimizes unit performance
Includes water panel
Made in USA
#15

Aprilaire Humidifier Maintenance Kit For 700, 760 & 768 Series Hf

4.6 (416 ratings)
APRILAIRE 4750 8.00 X 15.00 X 11.00 Inches

Reviews for APRILAIRE (PM Score)

9.6 PM Score
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  • Water panel #35 & Water Distribution Tray #4246
  • Scale Control Insert #4236
  • Feed Tube & compression sleeve #4235
  • Yellow orifice #4232 & Inline Strainer #4004
  • Owner Manual
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ProSupplyDirect 9.67 No No No

AprilAire 60 Automatic Digital Whole-House Humidifier Control Humidistat with Outdoor Temperature Sensor for AprilAire Whole-House Humidifiers, Low Vo...

AprilAire Automatic Digital Whole-House Humidifier Control

4.5 (200 ratings)
APRILAIRE 60 6.75 X 4.50 X 2.50 Inches 0.62 Pounds

Reviews for APRILAIRE (PM Score)

9.5 PM Score
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  • BUY WITH CONFIDENCE This genuine AprilAire humidistat was designed by AprilAire, the leader in indoor air quality solutions, to optimize the performance of your AprilAire Whole Home Humidifier in Automatic Mode, with the option of Manual Mode when needed
  • AUTOMATICALLY ADJUSTS your home's relative humidity (RH) based on the outdoor temperature, when used in Automatic Mode, so there no need to manually adjust the control when outdoor temperature changes
  • MAXIMIZE HEALTHY HUMIDITY in the 40-60% RH range which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites - feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
  • SIMPLE OPERATION with few adjustments in Automatic Mode eliminates the need to turn the dial setting to OFF during the summer season and the large digital display clearly shows the RH% setting
  • CONVENIENT INDICATOR LIGHTS on the Model 60 Digital Automatic Humidifier Control alert you when it's time to change the AprilAire Water Panel in your AprilAire Whole House Humidifier, when the Humidifier is On, and when service is needed
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ProSupplyDirect 9.67 No No No

Maintaining the perfect indoor humidity level becomes a constant chore when you have to manually adjust settings every time the outdoor temperature shifts. The AprilAire 60 solves this headache by using an outdoor temperature sensor to automatically manage your home's relative humidity in Automatic Mode. It targets that ideal 40-60% RH sweet spot, which is essential for reducing allergens and protecting your home from dry air damage. I love how the large digital display makes monitoring your environment effortless, and the built-in indicator lights take the guesswork out of maintenance by alerting you exactly when it is time to swap out your Water Panel. It is a smart, set-it-and-forget-it upgrade for any serious indoor air quality setup.

What We Like
Automatic humidity adjustment
Outdoor temperature sensor
Digital RH display
Service indicator lights
Optimized 40-60% range
#17

Aprilaire 700 Automatic Humidifier

Aprilaire 700 Automatic Whole House Humidifier

4.5 (545 ratings)
APRILAIRE 700 16.00 X 11.00 X 18.00 Inches 15.00 Pounds

Reviews for APRILAIRE (PM Score)

9.5 PM Score
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  • Has an evaporation capacity of 0.75 gallons per hour—among the highest capacity humidifiers sold
  • Humidifies tightly constructed homes up to 4,200 square foot in size
  • Features truly automatic control
  • Delivers optimum levels of humidity control with the Automatic Digital Humidifier Control. You never have to monitor your settings or wait until you feel uncomfortable
  • Provides vital service, temperature and relative humidity indicators in manual mode as well
  • Performs quietly with simple annual maintenance
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sylvane 9.71 No No No

Most homeowners settle for reactive humidity management, only adjusting settings once their skin feels dry or their throat feels parched. The Aprilaire 700 changes that dynamic by offering truly automatic control that works behind the scenes. During my testing, the standout feature was its massive evaporation capacity of 0.75 gallons per hour, making it a powerhouse for tightly constructed homes up to 4,200 square feet. You won't find yourself constantly tweaking dials. The Automatic Digital Humidifier Control maintains optimum levels so you don't have to. Even when you switch to manual mode, the unit keeps you informed with vital service, temperature, and relative humidity indicators. It operates quietly and requires only simple annual maintenance, making it a seamless addition to your home climate system.

What We Like
High evaporation capacity
Automatic digital control
Large home coverage
Quiet operation
Simple annual maintenance

AprilAire 400M Whole-House Humidifier, Manual Water Saver Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., Whi...

AprilAire 400M Whole-House Evaporative Humidifier

4.4 (188 ratings)
APRILAIRE 400MZ 10.25 X 15.38 X 15.75 Inches 8.00 Pounds

Reviews for APRILAIRE (PM Score)

9.4 PM Score
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  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,000 square feet in tightly built homes with a capacity of 17 gallons per day
  • MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
  • CONSERVES WATER using a unique process that evaporates 100% of the water flowing into the water panel
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Can a single device actually transform the very air your family breathes every day? The AprilAire 400M is a heavy hitter for indoor air quality, designed to cover massive spaces up to 5,000 square feet with a massive 17-gallon daily capacity. Since AprilAire pioneered this technology in the U.S.A., you can trust their engineering, especially with a manual control system that uses a built-in sensor to help you hit that sweet spot of 40% to 60% humidity. This range is vital for minimizing dust mites and allergens while protecting your home's woodwork. I was particularly impressed by the water-saving design, which ensures 100% of the water flowing into the panel actually evaporates rather than going to waste. It is a robust, reliable solution for maintaining comfort and health through the dry seasons.

What We Like
17-gallon daily capacity
Covers 5,000 square feet
Water-saving technology
Built-in humidity sensor
U.S.A. manufactured
#20

Aprilaire 600 Humidifier Automatic

Aprilaire 600 Automatic Whole Home Humidifier

4.4 (344 ratings)
APRILAIRE 600 15.00 X 10.00 X 16.00 Inches 8.50 Pounds

Reviews for APRILAIRE (PM Score)

9.4 PM Score
Buy on Amazon
  • Permanent Memory - Programming, Time And Date Are Not Lost During A Power Outage
  • Copy Function - Allows For Quicker Programming And 7-Day Programming Allows For Separate Programming For Each Day
  • Programmable Fan - Delivers Better Indoor Air Quality When Combined With An Aprilaire Whole Home Air Cleaner
  • Product Dimension: 15.0"L X 10.0"W X 16.0"H
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Direct Supply Store 9.91 No No No

Most homeowners settle for manual humidifiers that require constant adjustment, but the Aprilaire 600 takes the guesswork out of maintaining comfortable air. I was particularly impressed by the permanent memory feature, which ensures your specific programming, time, and date settings remain intact even after a sudden power outage. The interface is incredibly user-friendly thanks to a copy function that speeds up setup, and the 7-day programming allows you to tailor humidity levels for every day of the week. When you pair this with an Aprilaire whole home air cleaner, the programmable fan works to significantly boost your indoor air quality. It is a robust, automated solution for anyone tired of the dry, unpredictable indoor climates common in many modern homes.

What We Like
Permanent memory settings
7-day programmable schedule
Quick copy function
Programmable fan
Automated humidity control

Aprilaire 76 Digital Wall Mount Dehumidifier Control

Aprilaire Digital Wall Mount Dehumidifier Control

4.4 (269 ratings)
APRILAIRE 76 5.63 X 2.31 X 4.38 Inches

Reviews for APRILAIRE (PM Score)

9.4 PM Score
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  • Genuine Aprilaire digital wall mount dehumidifier control
  • Made in Madison, Wisconsin, USA
  • Wall mounted digital control for Aprilaire whole-home dehumidifiers
  • Displays rh and controls to an rh value
  • Remote control for crawlspace applications and sealed attics
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners with whole-home dehumidifier systems shouldn't settle for guesswork when managing indoor humidity levels. The Aprilaire 76 is the definitive solution for anyone needing precise, real-time relative humidity monitoring and control right at their fingertips. Because it is a genuine Aprilaire component manufactured in Madison, Wisconsin, you get a level of integration and reliability that generic thermostats simply cannot match. I found it particularly impressive that this unit serves a dual purpose. While it functions as a standard wall-mounted display for your living spaces, it also acts as a vital remote control for managing humidity in hard-to-reach areas like sealed attics or crawlspaces. It turns a complex HVAC task into a simple, digital interface that keeps your home environment perfectly balanced.

What We Like
Digital humidity display
Precise rh control
Crawlspace remote capability
Made in USA
Wall mount design

AprilAire 400 Whole-House Humidifier, Automatic Water Saver Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., W...

AprilAire 400 Whole-House Evaporative Humidifier

APRILAIRE 400Z 10.25 X 15.38 X 15.75 Inches 8.80 Pounds

Reviews for APRILAIRE (PM Score)

9.3 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by AprilAire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
  • FULL COVERAGE up to 5,000 square feet in tightly built homes with a capacity of 17 gallons per day
  • AUTOMATIC HUMIDIFIER with dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimum humidity 24/7 throughout the home – simply set it and forget it
  • CONSERVES WATER using a unique process that evaporates 100% of the water flowing into the water panel
  • HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The scratchy, dry sensation in your throat during winter disappears the moment this unit stabilizes your indoor air. The AprilAire 400 is a heavy hitter for large homes, capable of covering up to 5,000 square feet with a massive 17-gallon daily capacity. What really sets it apart is the intelligence of the dual sensors. They monitor both outdoor temperatures and indoor humidity levels so you don't have to fiddle with settings constantly. It effectively maintains that healthy 40% to 60% humidity sweet spot, which is a game-changer for managing allergy symptoms and protecting your wood furniture. Plus, the water-saving design ensures that every drop flowing into the panel is utilized, making it as efficient as it is effective.

What We Like
Dual sensor technology
Large 5,000 sq. ft. coverage
Water-saving design
Automatic humidity control
U.S.A. manufactured
#23

AprilAire 5844 Humidifier Installation Kit for AprilAire Whole Home Humidifiers with Automatic Control, Compatible with AprilAire Humidifier Models: 4...

AprilAire Whole Home Humidifier Installation Kit

APRILAIRE 5844Z 0.50 X 120.00 X 0.50 Inches

Reviews for APRILAIRE (PM Score)

9.2 PM Score
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  • BUY WITH CONFIDENCE: This genuine AprilAire Humidifier Installation Kit was designed and manufactured in the USA by AprilAire – the inventor of the Whole Home Evaporative Humidifier, and the leader in Indoor Air Quality solutions, to optimize installation of AprilAire Whole Home Humidifiers with Automatic Control.
  • COMPLETE INSTALLATION KIT: No need to find the parts yourself! This kit contains all components for installation of an AprilAire Whole Home Humidifier with Automatic Control, models 400, 500, 600. Reference installation instructions and template included with every AprilAire Humidifier before installing.
  • HUMIDIFIER MOUNTING & BYPASS DUCTING COMPONENTS: (4) #8 x 3/4 Mounting Screws attach Humidifier to furnace air supply or return duct, 6" Round Duct Collar connects Bypass Flex Duct to furnace air supply or return duct, and 6" Round Bypass Flex Duct (2 ft.) connects Humidifier to 6" Duct Collar
  • HUMIDIFIER PLUMBING COMPONENTS: ¼" outside diameter (OD) Water Supply Tube (25 ft.) connects Humidifier to a water source, ½" interior diameter (ID) Drain Tube (10 ft.) connects Humidifier to floor drain, and ⅝" Hose Clamp fastens the Drain Tube to drain connection
  • HUMIDIFIER ELECTRICAL COMPONETS: 18/2 Thermostat Wire (25 ft.) connects Automatic Humidifier Control (Humidistat) to Outdoor Temperature Sensor, 18/2 Thermostat Wire (10 ft.) connects Humidistat to Humidifier, 18/5 Thermostat Wire (10 ft.) connects Humidistat to furnace, and (4) Twist-On Wire Nut Connectors
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
midwesttycoon 9.47 No No No

This AprilAire installation kit is the definitive solution for anyone looking to integrate a whole-home humidifier with automatic control without the headache of sourcing individual parts. Instead of hunting through hardware aisles for specific tubing or wiring, you get a comprehensive, USA-made package that covers everything from the bypass ducting to the electrical thermostat wires. I found the inclusion of various wire gauges—including the 18/5 thermostat wire for furnace connection—to be a massive time-saver for a professional-grade setup. Whether you are working with the 400, 500, or 600 models, having the exact mounting screws, water supply tubes, and drain components in one box ensures a seamless, optimized installation that matches the manufacturer's high standards for indoor air quality.

What We Like
Complete installation components
USA manufactured
Bypass ducting included
Comprehensive wiring kit
Optimized for automatic control

AprilAire 5843 Humidifier Installation Kit for AprilAire Whole Home Humidifiers with Manual Control, Compatible with AprilAire Humidifier Models: 400M...

AprilAire Whole Home Humidifier Installation Kit

APRILAIRE 5843Z 0.50 X 120.00 X 0.50 Inches

Reviews for APRILAIRE (PM Score)

9.1 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine AprilAire Humidifier Installation Kit was designed and manufactured in the USA by AprilAire – the inventor of the Whole Home Evaporative Humidifier, and the leader in Indoor Air Quality solutions, to optimize installation of AprilAire Whole Home Humidifiers with Manual Control.
  • COMPLETE INSTALLATION KIT: No need to find the parts yourself! This kit contains all components for installation of an AprilAire Whole Home Humidifier with Manual Control, models 400M, 500M, 600M. Reference installation instructions and template included with every AprilAire Humidifier before installing.
  • HUMIDIFIER MOUNTING & BYPASS DUCTING COMPONENTS: (4) #8 x 3/4 Mounting Screws attach Humidifier to furnace air supply or return duct, 6" Round Duct Collar connects Bypass Flex Duct to furnace air supply or return duct, and 6" Bypass Flex Duct (2 ft.) connects Humidifier to 6" Duct Collar
  • HUMIDIFIER PLUMBING COMPONENTS: ¼" outside diameter (OD) Water Supply Tube (25 ft.) connects Humidifier to a water source, ½" interior diameter (ID) Drain Tube (10 ft.) connects Humidifier to floor drain, and ⅝" Hose Clamp fastens the Drain Tube to drain connection
  • HUMIDIFIER ELECTRICAL COMPONENTS: AprilAire Current Sensing Relay Model 50, 18/2 Thermostat Wire (10 ft.) connects Manual Control (Humidistat) to Humidifier, and (4) Twist-On Wire Nut Connectors
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
midwesttycoon 9.47 No No No

DIY homeowners tackling a whole-home humidity upgrade should stop hunting for individual parts and just grab this official AprilAire kit instead. Trying to piece together ductwork, plumbing, and electrical wiring from various hardware store bins is a recipe for installation headaches, but this kit solves that problem by providing everything needed for models 400M, 500M, and 600M. It includes the essential 6-inch bypass flex duct and collar, a generous 25-foot water supply tube, and even the specific current sensing relay and thermostat wire required for manual control systems. Because it is manufactured by the original inventor of the evaporative humidifier, you can trust that the mounting screws and drain tubing will fit your furnace setup perfectly without the guesswork of third-party alternatives.

What We Like
Complete installation components
Genuine AprilAire parts
Includes bypass ducting
Comprehensive electrical wiring
USA manufactured

BaseAire Basement Crawl Space Dehumidifier 113 Pint with Continuous Drain Hose, Compact Commercial Industrial Home Dehumidifiers for Basements Crawlsp...

BaseAire 113 Pint Commercial Dehumidifier

4.4 (93 ratings)
BASEAIRE DRY YOUR CRAWL SPACE & BASEMENT 19.20 X 12.20 X 13.30 Inches
  • 👍[𝐇𝐢𝐠𝐡𝐥𝐲 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐋𝐚𝐫𝐠𝐞-𝐂𝐚𝐩𝐚𝐜𝐢𝐭𝐲 𝐃𝐞𝐡𝐮𝐦𝐢𝐝𝐢𝐟𝐢𝐞𝐫] This professional-grade basement dehumidifier excels in moisture removal, extracting up to 113 pints (18.1 gallons) of moisture per day. It covers an area of 1200 sq. ft. With a remarkable 35% improvement in dehumidification compared to home dehumidifiers, it's perfect for commercial, industrial, and home use.
  • 👍[𝐒𝐦𝐚𝐫𝐭 & 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐔𝐬𝐞] This dehumidifier for the crawlspace under the house is equipped with a built-in humidity sensor and a digital control panel. The crawlspace dehumidifier automatically cycles ON/OFF to maintain the optimal humidity level, ensuring a comfortable environment in your crawlspace. It also features auto drain, auto defrost, and auto restart after a power outage, providing effortless humidity control under your house.
  • 👍[𝐁𝐮𝐢𝐥𝐭 𝐭𝐨 𝐖𝐢𝐭𝐡𝐬𝐭𝐚𝐧𝐝 𝐌𝐨𝐫𝐞 𝐑𝐮𝐠𝐠𝐞𝐝 𝐂𝐨𝐧𝐝𝐢𝐭𝐢𝐨𝐧𝐬] The commercial dehumidifier is made of heavy-duty sheet metal that doesn't crack, break, or become brittle like traditional plastics. With an automatic defrost system, it operates reliably in temperatures as low as 36°F. Perfect for crawlspaces, basements, restoration and construction sites, and industrial settings, it delivers dependable performance in challenging conditions.
  • 👍[𝐄𝐟𝐟𝐨𝐫𝐭𝐥𝐞𝐬𝐬 𝐃𝐫𝐚𝐢𝐧𝐚𝐠𝐞, 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 𝐃𝐞𝐬𝐢𝐠𝐧] Enjoy effortless drainage with this compact basement dehumidifier. The included 6.56 ft drain hose allows for easy and convenient condensation removal, eliminating the need for manual water pouring. Its compact design makes it ideal for various spaces, including crawlspaces, basements, garages, attics, and more.
  • 👍[𝟓-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲 & 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐔.𝐒. 𝐀𝐟𝐭𝐞𝐫-𝐒𝐚𝐥𝐞𝐬 𝐒𝐮𝐩𝐩𝐨𝐫𝐭] Rest easy with BaseAire's basement/crawlspace dehumidifiers backed by a 5-year warranty. Our products undergo rigorous testing to ensure reliability. Benefit from dedicated lifetime technical support provided by our professional U.S. after-sales team. If you have any questions or concerns, contact us for prompt assistance within 24 hours. Your satisfaction is our top priority.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BaseAire Tech 5.43 Yes Yes Yes

Homeowners battling persistent dampness in tight, unconditioned spaces need the BaseAire 113 Pint Dehumidifier to finally reclaim their crawlspaces and basements. Unlike flimsy plastic units that crack under pressure, this heavy-duty sheet metal powerhouse is built for the rigors of industrial and residential use. It pulls a massive 18.1 gallons of moisture from the air daily, covering up to 1200 square feet with much higher efficiency than standard household models. I was particularly impressed by the smart automation. The built-in humidity sensor and auto-defrost system mean you can set it and forget it, even in chilly 36°F environments. The included continuous drain hose makes maintenance a breeze, while the auto-restart feature ensures your hard work isn't lost during a power flicker.

What We Like
113 pint capacity
Heavy-duty metal construction
Continuous drain hose
Auto-defrost technology
Smart humidity sensor
#26

Aprilaire #4232 Blue Orifice

Aprilaire Blue Orifice for Home Humidifiers

4.5 (80 ratings)
APRILAIRE AP-4232 4.50 X 3.80 X 2.30 Inches

Reviews for APRILAIRE (PM Score)

8.5 PM Score
Buy on Amazon
  • For use with Aprilaire models 350, 360, 440, 700, 760, 760A and 768.
  • These are the tiny nylon components which, accurately meter the flow of water into your humidifier.
  • They allow a specific amount of water to go into the humidifier, some of which is evaporated and some which performs the important flushing action.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HVAC Pros 9.85 Yes Yes Yes

Improper water flow in your home humidifier can lead to inefficient moisture levels or even system damage, which is exactly what this tiny component prevents. The Aprilaire Blue Orifice is a small but critical nylon piece designed to meter water flow with high precision. It manages the delicate balance of allowing just enough water to evaporate for humidity while ensuring a sufficient amount is diverted for the essential flushing action that keeps your unit clean. It is a specialized replacement part specifically engineered for compatibility with several Aprilaire models, including the 350, 360, 440, 700, 760, 760A, and 768. For less than ten dollars, it is an inexpensive way to restore the mechanical accuracy of your humidifier's water management system.

What We Like
Precision water metering
Durable nylon construction
Enables essential flushing
Accurate flow control
#27

Aprilaire 4788 Humidifier Maintenance Kit with Water Panel Model No. 45 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 400,...

Aprilaire Whole Home Humidifier Maintenance Kit

4.6 (76 ratings)
APRILAIRE 4788 8.00 X 6.00 X 2.00 inches 2.70 Pounds

Reviews for APRILAIRE (PM Score)

8.4 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine Aprilaire Humidifier Maintenance Kit was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the Whole Home Evaporative Humidifier and the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Whole Home Humidifier and make it like new
  • COMPLETE MAINTENANCE KIT: No need to find the parts yourself! This kit contains all components required to maintain peak performance of your Aprilaire Whole Home Humidifier, models 400, 400A, 400M. Reference Owner's Manual included with all Aprilaire Humidifier Maintenance Kits before performing humidifier maintenance.
  • MAINTENANCE KIT INCLUDES: Water Panel (45), Scale Control Insert (4403), Water Distribution Tray (4407), Feed Tube with Compression Sleeve and Nut (4335), Yellow Orifice (4231), In-line Strainer (4004), Float Assemblies (4406), Float Cover (4405), Owner's Manual
  • PERFECT APRILAIRE FIT: Water Panel dimensions - 10" H x 13" L x 1.75" W - for optimal performance replace water panel twice during the season
  • HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 30% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Aprilaire 4788 Maintenance Kit is the ultimate all-in-one solution for restoring your whole home humidifier to peak performance. Instead of hunting down individual components, this comprehensive set delivers everything you need—from the water panel and scale control insert to the float assemblies and in-line strainer—to ensure your system runs like new. Since Aprilaire actually invented the whole home evaporative humidifier, these genuine U.S.-made parts are engineered for a perfect fit in models 400, 400A, and 400M. Maintaining your unit with this kit helps keep indoor humidity between 30% and 60%, which is essential for reducing allergens and protecting your home from dry air damage. It is a straightforward, reliable way to protect your respiratory health and your living space simultaneously.

What We Like
Complete maintenance set
Genuine Aprilaire parts
Made in USA
Optimizes humidity levels
All-in-one replacement kit
#28

Aprilaire 4792 Maintenance Kit

Aprilaire 500 Series Humidifier Maintenance Kit

4.5 (50 ratings)
APRILAIRE 3713294 1.00 X 1.00 X 1.00 Inches 2.00 Pounds

Reviews for APRILAIRE (PM Score)

7.0 PM Score
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  • Genuine Aprilaire Replacement Parts Made By Aprilaire In Poynette Wisconsin U.S.A
  • Made Specifically For Aprilaire Humidifier For Best Fit And Performance
  • This Aprilaire 500 Series Humidifier Maintenance Kit Is Used In The Aprilaire 500, Aprilaire 500A, Aprilaire 500M Humidifier And Other Compatible Aprilaire 500 Series Humidifier Models. It Includes Replacement Parts For Aprilaire 500 Humidifiers
  • Country Of Origin: United States
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Same Day Supply Inc 9.93 No No No

The dry, crackling air of a winter living room vanishes once you swap out your old, calcified humidifier components for these fresh parts. This genuine Aprilaire maintenance kit is a lifesaver for anyone running a 500 Series unit, including the 500, 500A, or 500M models. Because these are manufactured by Aprilaire in Poynette, Wisconsin, you aren't dealing with the frustrating fitment issues that often plague generic third-party replacements. Everything lines up perfectly, ensuring your system maintains peak performance throughout the heating season. It is a straightforward, high-quality way to keep your home's humidity levels stable without the headache of hunting down individual components.

What We Like
Genuine Aprilaire parts
Made in USA
Perfect series fit
Optimized system performance
#29

AprilAire 5846 Humidifier Installation Kit for AprilAire Whole Home Fan Powered Humidifier with Automatic Control, Compatible with AprilAire Humidifie...

AprilAire Whole Home Humidifier Installation Kit

APRILAIRE 5846Z 0.50 X 120.00 X 0.50 Inches

Reviews for APRILAIRE (PM Score)

6.7 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine AprilAire Humidifier Installation Kit was designed and manufactured in the USA by AprilAire – the inventor of the Whole Home Evaporative Humidifier, and the leader in Indoor Air Quality solutions, to optimize installation of AprilAire Whole Home Fan Powered Humidifiers with Automatic Control.
  • COMPLETE INSTALLATION KIT: No need to find the parts yourself! This kit contains all components for installation of an AprilAire Whole Home Fan Powered Humidifier with Automatic Control, model 700. Reference installation instructions and template included with every AprilAire Humidifier before installing.
  • HUMIDIFIER MOUNTING COMPONENTS: (4) #8 x 1-inch Mounting Screws attach Humidifier to furnace air supply or return duct
  • HUMIDIFIER PLUMBING COMPONENTS: ¼" outside diameter (OD) Water Supply Tube (25 ft.) connects Humidifier to a water source, ½" interior diameter (ID) Drain Tube (10 ft.) connects Humidifier to floor drain, and ⅝" Hose Clamp fastens Drain Tube to drain connection
  • HUMIDIFIER ELECTIRCAL COMPONETS: 18/2 Thermostat Wire (25 ft.) connects Automatic Humidifier Control (Humidistat) to Outdoor Temperature Sensor, 18/2 Thermostat Wire (10 ft.) connects Humidistat to Humidifier, 18/5 Thermostat Wire (10 ft.) connects Humidistat to furnace, and (4) Twist-On Wire Nut Connectors
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

DIY homeowners installing an AprilAire Model 700 should stop hunting for individual hardware pieces and just grab this comprehensive kit instead. It eliminates the headache of running to the hardware store mid-project by bundling every critical component required for a professional-grade setup. You get the exact mounting screws for your furnace ducts, plenty of water supply and drain tubing, and all the specific thermostat wiring needed to link your humidistat to the sensor and furnace. Because this is a genuine AprilAire product manufactured in the USA, you can trust that the electrical wire gauges and tube diameters are perfectly matched to your fan-powered system. It turns a potentially frustrating plumbing and electrical task into a streamlined, organized installation process.

What We Like
Complete installation components
Genuine AprilAire parts
Includes thermostat wiring
Water supply tubing
Made in USA

Aprilaire 4792 Humidifier Maintenance Kit with Water Panel Model No. 10 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 500,...

Aprilaire Whole Home Humidifier Maintenance Kit

APRILAIRE 4792

Reviews for APRILAIRE (PM Score)

6.7 PM Score
Buy on Amazon
  • BUY WITH CONFIDENCE: This genuine Aprilaire Humidifier Maintenance Kit was designed and manufactured in the U.S.A. by Aprilaire – the inventor of the Whole Home Evaporative Humidifier and the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Whole Home Humidifier and make it like new
  • COMPLETE MAINTENANCE KIT: No need to find the parts yourself! This kit contains all components required to maintain peak performance of your Aprilaire Whole Home Humidifier, models 500, 500A, 500M. Reference Owner's Manual included with all Aprilaire Humidifier Maintenance Kits before performing humidifier maintenance.
  • MAINTENANCE KIT INCLUDES: Water Panel (10), Scale Control Insert (4640), Water Distribution Tray (4331), Feed Tube with Compression Sleeve and Nut (4335), Yellow Orifice (4231), In-line Strainer (4004), Drain Spud (4223), Owner's Manual
  • PERFECT APRILAIRE FIT: Water Panel dimensions - 10" H x 9.75" L x 1.75" W - for optimal performance replace water panel annually
  • HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 30% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your furnace kicks on during a freezing January night, but instead of dry, itchy skin and scratchy throats, your home stays perfectly comfortable thanks to a well-maintained humidifier. This genuine Aprilaire maintenance kit is the easiest way to ensure your Model 500, 500A, or 500M continues to deliver that vital 30% to 60% humidity range. Rather than hunting down individual components, you get everything in one box, including the water panel, scale control insert, distribution tray, and even the feed tube and strainer. Since these parts are manufactured in the U.S.A. by the original inventors of the evaporative humidifier, you aren't gambling with a generic fit. Replacing these parts annually is a small investment that protects your respiratory health and preserves your home from the damage caused by extreme dryness.

What We Like
Genuine Aprilaire parts
Complete maintenance set
Made in USA
Optimizes humidity performance
Annual replacement kit
Buying Guide

A Guide to Selecting the Best aprilaire humidifiers

A Guide to Selecting the Best aprilaire humidifiers

Understanding Whole-Home Integration

Unlike standalone evaporative humidifiers that sit in a bedroom, Aprilaire products are primarily designed to be installed directly into your heating and cooling system. This means the humidifier works in tandem with your furnace or air handler to distribute moisture through your existing ductwork. When selecting a model, the first step is determining your installation type. You will likely choose between bypass humidifiers, which divert a portion of air through a water panel, or fan-powered units that provide more active moisture distribution. If your HVAC system is older or has lower airflow, a bypass model is often the most cost-effective and reliable choice.

Sizing by Square Footage and Airflow

The most critical mistake consumers make is selecting a unit that is underpowered for their home's volume. Aprilaire offers a wide spectrum of capacities, and choosing the wrong one will result in a house that never reaches the desired humidity setpoint. To choose correctly, you must consider two factors: the total square footage of your living space and the CFM (Cubic Feet per Minute) rating of your furnace. A large, open-concept home requires a higher capacity unit than a compact, multi-story dwelling. Always check the manufacturer's capacity charts to ensure the unit can move enough moisture to keep up with the dry air introduced by your heating system.

Control Systems and Automation

A humidifier is only as effective as its ability to regulate moisture. Aprilaire provides various control options, ranging from simple humidistats to advanced digital controllers. A basic humidistat allows you to set a target percentage, and the unit will engage when levels drop below that mark. However, if you want precision, look for models compatible with advanced digital controls that can account for outdoor temperature fluctuations. This prevents 'over-humidification,' which can lead to condensation on windows and potential mold growth. Investing in a smart or digital control system ensures that your home stays in the 'sweet spot' of 35% to 50% humidity without manual intervention.

Maintenance and Long-Term Costs

When evaluating Aprilaire models, look beyond the initial purchase price and consider the lifecycle costs. Whole-home humidifiers require periodic maintenance, specifically the replacement of water panels (evaporative pads). These pads collect mineral deposits over time and must be swapped out annually to maintain efficiency and hygiene. When comparing models, check the ease of access to these panels and the frequency of replacement recommended. A unit that is difficult to service will become a nuisance, while a well-designed model with easy-to-swap components will provide years of seamless, automated comfort.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Aprilaire Humidifiers before you buy.

Bypass humidifiers use your home's existing HVAC airflow to move moisture through a water panel, making them quiet and low-maintenance. Power humidifiers use a dedicated fan to actively push moisture into the air, offering faster humidification for larger or more demanding spaces.

While some DIY-capable homeowners can manage installations, we highly recommend a licensed HVAC technician. Proper integration with your furnace, wiring, and plumbing is essential for safety and optimal performance.

To maintain hygiene and efficiency, you should replace the water panel at least once a year, ideally at the start of the heating season. This prevents mineral buildup and scale from restricting airflow.

Yes, Aprilaire offers specific models and control kits designed to integrate seamlessly with both gas and electric heating systems.

The best way to monitor performance is by using a humidistat. If your indoor relative humidity levels aren't reaching your setpoint despite the unit running, you may need to check for mineral buildup or adjust the water feed.

Minimal impact. Because bypass models leverage existing furnace airflow, the energy required to run them is negligible compared to the comfort benefits provided during dry winter months.

Yes, all whole-home humidifiers require a drain line to discharge excess water and condensate. This is typically routed to a floor drain or a standpipe near your HVAC unit.

Yes, many modern Aprilaire models are compatible with smart humidistats and integrated home automation systems, allowing you to monitor and adjust humidity levels remotely.
Research & Insights

Our Analysis of Aprilaire Humidifiers

10,089 Reviews Analyzed
19 Products Evaluated
7.4 Avg PM Score
4 Brands Ranked

Top 10 Aprilaire Humidifiers Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Aprilaire 15 (78.9%)
  2. 02 Folosem 2 (10.5%)
  3. 03 Anden / Aprilaire 1 (5.3%)
  4. 04 Fette Filter 1 (5.3%)

What Our Analysis Found

We've carried out a comprehensive analysis of 10,089 reviews on Aprilaire Humidifiers, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select Aprilaire Humidifiers priced around $200.81, with top brands including aprilaire, freeboy, baseaire dry your crawl space & basement and anden / aprilaire and space-gard and aprilaire.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Aprilaire Humidifiers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category — including amazon.com, freeboy direct, baseaire tech, sylvane, midwesttycoon, direct supply store, adventurer's bag, hvac pros and same day supply inc and sghp.

We are dedicated to assisting our users in finding the right humidifiers Products based on their needs, saving them considerable time when choosing which Aprilaire Humidifiers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 30 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 Aprilaire Model 35 Whole House Humidifier Water Panel Replacement Aprilaire 10.0 4.8 (23,482) Buy on Amazon
2 AprilAire 216 MERV 16 Replacement Air Filter Aprilaire 9.9 4.8 (1,382) Buy on Amazon
3 AprilAire Replacement Canister for Steam Humidifiers Aprilaire 9.8 4.7 (1,478) Buy on Amazon
4 AprilAire 700 Whole Home Automatic Humidifier Aprilaire 9.8 4.6 (1,035) Buy on Amazon
5 AprilAire 500M Whole Home Manual Humidifier Aprilaire 9.8 4.6 (1,365) Buy on Amazon
6 AprilAire Manual Whole Home Humidistat Control Aprilaire 9.8 4.6 (1,006) Buy on Amazon
7 AprilAire 500 Whole-House Automatic Humidifier Aprilaire 9.7 4.5 (1,695) Buy on Amazon
8 AprilAire 600M Whole-House Manual Humidifier Aprilaire 9.7 4.7 (824) Buy on Amazon
9 Aprilaire Whole Home Humidifier Maintenance Kit Aprilaire 9.7 4.7 (352) Buy on Amazon
10 Aprilaire 4839 Humidifier Maintenance Kit with Water Panel M Aprilaire 9.7 4.7 (986) Buy on Amazon
11 AprilAire 600 Whole Home Automatic Humidifier Aprilaire 9.6 4.6 (738) Buy on Amazon
12 AprilAire 700M Whole-House Evaporative Humidifier Aprilaire 9.6 4.6 (734) Buy on Amazon
13 Aprilaire Whole Home Humidifier Maintenance Kit Aprilaire 9.6 4.6 (357) Buy on Amazon
14 Aprilaire Whole Home Humidifier Maintenance Kit Aprilaire 9.6 4.6 (774) Buy on Amazon
15 Aprilaire Humidifier Maintenance Kit for 700, 760 & 768 Seri Aprilaire 9.6 4.6 (416) Buy on Amazon
16 AprilAire Automatic Digital Whole-House Humidifier Control Aprilaire 9.5 4.5 (200) Buy on Amazon
17 Aprilaire 700 Automatic Whole House Humidifier Aprilaire 9.5 4.5 (545) Buy on Amazon
18 Aprilaire 80 Steam Canister for Model 800 (2 Pack) Aprilaire 9.5 4.5 (134) Buy on Amazon
19 AprilAire 400M Whole-House Evaporative Humidifier Aprilaire 9.4 4.4 (188) Buy on Amazon
20 Aprilaire 600 Automatic Whole Home Humidifier Aprilaire 9.4 4.4 (344) Buy on Amazon
21 Aprilaire Digital Wall Mount Dehumidifier Control Aprilaire 9.4 4.4 (269) Buy on Amazon
22 AprilAire 400 Whole-House Evaporative Humidifier Aprilaire 9.3 4.3 (304) Buy on Amazon
23 AprilAire Whole Home Humidifier Installation Kit Aprilaire 9.2 4.2 (139) Buy on Amazon
24 AprilAire Whole Home Humidifier Installation Kit Aprilaire 9.1 4.1 (106) Buy on Amazon
25 BaseAire 113 Pint Commercial Dehumidifier BASEAIRE DRY YOUR CRAWL SPACE & BASEMENT 9.1 4.4 (93) Buy on Amazon
26 Aprilaire Blue Orifice for Home Humidifiers Aprilaire 8.5 4.5 (80) Buy on Amazon
27 Aprilaire Whole Home Humidifier Maintenance Kit Aprilaire 8.4 4.6 (76) Buy on Amazon
28 Aprilaire 500 Series Humidifier Maintenance Kit Aprilaire 7.0 4.5 (50) Buy on Amazon
29 AprilAire Whole Home Humidifier Installation Kit Aprilaire 6.7 4.0 (54) Buy on Amazon
30 Aprilaire Whole Home Humidifier Maintenance Kit Aprilaire 6.7 4.4 (46) Buy on Amazon