Best Residential Water Heaters in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Residential Water Heaters

Amazon Basics 46,000 BTU Outdoor Propane Patio Heater with Wheels, Commercial & Residential - Bahama Blue
#TOP1
Amazon Basics 46,000 Btu Outdoor Propane Patio Heater
9.9
PM SCORE
Rinnai V65iP Tankless Hot Water Heater, 6.5 GPM, Propane, Indoor Installation
#TOP2
Rinnai V65Ip Tankless Hot Water Heater, 6.5 Gpm,
9.8
PM SCORE
Patio Heater, EAST OAK 50,000 BTU Stainless Steel Outdoor Patio Heater With Table Design, Triple Protection System, Wheels, Propane Patio Heaters for Commercial and Residential
#TOP3
Patio Heater, East Oak 50,000 Btu Stainless Steel
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Residential Water Heaters of 2026

Market Overview
Residential Water Heaters Reviewed
  • Reviews Analyzed: 46726 Items
  • PM Avg. Rating: 6.1 / 10
124 Products Evaluated
  • Highest Price: $4,380.32
  • Lowest Price: $19.39
  • Avg. Price: $819.69

Amazon Basics 46,000 Btu Outdoor Propane Patio Heater With Wheels, Commercial & Residential - Bahama Blue

AMAZON BASICS
62703
32.12 X 32.12 X 91.30 Inches
37.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Powerful 46,000 BTU outdoor gas heater provides heat up to a 9 foot radius; ideal for commercial cafes and restaurants or home patios

Constructed with aluminum, plastic, and steel with a durable powder-coated finish

One-touch ignition button for easy start up; requires 20lb liquid propane gas tank (not included); chain included to secure tank

Features adjustable temperature knob, tilt safety auto-shut off valve, water box for weighting the base and wheel kit

Secure the patio heater when not in use to avoid any potential damage to unit

Dimensions: 32.12 x 32.12 x 91.3 inches (LxWxH); weight: 38 pounds

Rinnai V65Ip Tankless Hot Water Heater, 6.5 Gpm, Propane, Indoor Installation

RINNAI
V65IP
12.80 X 30.51 X 17.32 Inches
45.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GloryBox 3.63

Features

Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE160iP model

Never Run Out of Hot Water with this Compact Propane Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 6.5 GPM (5 fixtures at once)

Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician

Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

#TOP3

Patio Heater, East Oak 50,000 Btu Stainless Steel Outdoor Patio Heater With Table Design, Triple Protection System, Wheels, Propane Patio Heaters For Commercial And Residential

EAST OAK
EO-PH22005
33.00 X 18.00 X 89.00 Inches
35.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

𝗕𝗿𝗲𝗮𝗸 𝘁𝗵𝗲 𝗖𝗼𝗹𝗱 - With a heat output of 50,000 BTUs, the EAST OAK patio heater provides a heating range up to an 18-foot radius. ETL approved, it is perfect for outdoor gatherings. If you enjoy relaxing outdoors, outdoor dining, or patio parties, you'll need one! It will warm your backyard on a cold evening, keeping you, your family, and your friends comfortable.

𝗦𝘁𝗮𝗶𝗻𝗹𝗲𝘀𝘀 𝗦𝘁𝗲𝗲𝗹 𝗖𝗼𝗻𝘀𝘁𝗿𝘂𝗰𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗘𝘅𝗰𝗹𝘂𝘀𝗶𝘃𝗲 𝗗𝗲𝘀𝗶𝗴𝗻 - If you are looking for a durable and good-looking propane patio heater, look no further. We've used high-quality 304 stainless steel throughout the outdoor patio heater, making it sturdy and rust-proof for longevity. As an added bonus, the square, flat tanking house top can be used as a small table for cozy conversation. Unique design touches make this the perfect addition to your backyard.

𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗧𝗶𝗽-𝗼𝘃𝗲𝗿 𝗮𝗻𝗱 𝗙𝗹𝗮𝗺𝗲-𝗼𝘂𝘁 𝗦𝗮𝗳𝗲𝘁𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - Our heater is equipped with three anchoring arms, which are recommended to be rooted down into the ground to prevent the heater from being blown over. What's more, our propane patio heaters offer a triple-safety protection system that ensures your well-being. With tilt safety auto-shutoff valve protection, if the flame is accidentally extinguished, the gas source will turn off. This all adds up to protection against anoxia and dumping.

𝗦𝗶𝗺𝗽𝗹𝗲 𝗜𝗴𝗻𝗶𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 𝗮𝗻𝗱 𝗔𝗱𝗷𝘂𝘀𝘁𝗮𝗯𝗹𝗲 𝗧𝗲𝗺𝗽𝗲𝗿𝗮𝘁𝘂𝗿𝗲 𝗞𝗻𝗼𝗯 - The one-touch ignition system allows the operator to light the heater by pressing a button. Additionally, the adjustment control knob can adjust low or high heat or turn off the outdoor patio heater. You can enjoy the patio heater by choosing different heating modes.

𝗘𝗮𝘀𝘆 𝘁𝗼 𝗔𝘀𝘀𝗲𝗺𝗯𝗹𝗲 𝗮𝗻𝗱 𝗖𝗼𝗻𝘃𝗲𝗻𝗶𝗲𝗻𝘁 𝗠𝗼𝘃𝗲 - Some parts are assembled in advance. Just follow the instructions and you can finish the installation in about 40 minutes. And it includes two wheels for smooth mobility.

𝗨𝗽𝗴𝗿𝗮𝗱𝗲𝗱 𝗗𝗲𝘀𝗶𝗴𝗻 𝗳𝗼𝗿 𝗠𝗼𝗿𝗲 𝗦𝘁𝗮𝗯𝗹𝗲 - New design base, not only comes with three free anchoring arms but also with four holes for an extra water box to tie, providing double weighted stability. (water-box not included)A water box is sold separately.

𝟯-𝗬𝗲𝗮𝗿 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 - EAST OAK patio heater offer 3-year customer support and lifetime technical support, please contact us if any problems, and we will provide you with a satisfactory solution.

𝗡𝗼𝘁𝗲 - Only for Outdoor Use

#TOP4

Oneness 369 2 Set Suburban Rv Water Heater Anode Rod Magnesium With Dual Hex Wrench Socket Removal Tool Maintenance Kit

ONENESS 369
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Oneness 369 9.90

Features

99.8% Pure High Quality Magnesium anode rod. Better than powered anode rod, camper rod and aluminum rod. Compatible with all models Suburban (D, DE, DEL, DEM models).

For RV water heaters and camper water heater. Replacement Part Suburban 232767. Size 9 ¼’’ Length and ¾’’ NPT Thread, Uses a 1-1/16’’ socket bundle included to remove.

The specially designed socket wrench has a 1-1/16” hex socket on one end for anode rod and 1-1/2" hex socket on other ends for a water heater element with an 8mm hole for turning.

Also, Dual Hex compatible removing all residential screw-in water heater elements and all RV, Travel Trailer, Campers Element and Anode Rod

Save Money by Buying Bundle and keep a few spare in your RV just in case while you are camping.

Ecosmart Eco 11 Electric Tankless Water Heater, 13Kw At 240 Volts With Patented Self Modulating Technology

ECOSMART
ECO 11
3.75 X 8.00 X 11.50 Inches
6.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature

Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches

Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.

EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (Es2.5) - Eliminate Time For Hot Water - Shelf, Wall Or Floor Mounted

BOSCH THERMOTECHNOLOGY
7738004996
13.75 X 10.75 X 13.75 Inches
15.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches

LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)

INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source

FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)

EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

Rheem 240V Heating Chamber Rtex-13 Residential Tankless Water Heater, Gray

RHEEM
RTEX-13
12.63 X 8.25 X 3.63 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CARESAN 5.23

Features

External adjustable digital thermostatic control with LED display (+/1 degree accuracy

Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control

Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections

99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM

Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM

54 A

#TOP8

Rinnai V75Ip Non-Condensing Propane Tankless Water Heater, Indoor Installation, Up To 7.5 Gpm

RINNAI
V75IP
17.32 X 30.51 X 12.80 Inches
45.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DataAlchemy 9.40

Features

Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE180iP model

Never Run Out of Hot Water with this Compact Propane Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM (5 fixtures at once)

Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician

Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Rinnai Rl94En Non-Condensing Natural Gas Tankless Water Heater, Outdoor Installation, Up To 9.8 Gpm

RINNAI
RL94EN
9.60 X 14.00 X 24.30 Inches
44.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Big Frog Supply 9.73

Features

Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE180eN model

Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)

Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician

Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Rinnai V53Dep Tankless Hot Water Heater, 5.3 Gpm, Propane, Outdoor Installation

RINNAI
V53DEP
10.50 X 30.00 X 13.00 Inches
33.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended

Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary

Optimal Water Pressure: High-performance up to 5.3 GPM hot water flow rate for a powerful, constant stream

Enhanced scale detection lessens possibility of serious, long-term damage to unit

Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively

Rheem 11Kw 240V Tankless Electric Water Heater

RHEEM
RTEX-11
12.63 X 8.25 X 3.63 Inches
7.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ON/OFF Dial Control with adjustable digital temperature display

Self-modulating power control

11kW Model Flow Rate: up to 2.68 GPM

Side 1/2" NPT water connections

On demand, consistent and continuous hot water

Rinnai Rur199Ip Condensing Tankless Hot Water Heater, 11 Gpm, Propane, Indoor Installation

RINNAI
RUR199IP
22.05 X 14.76 X 33.86 inches
84.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GloryBox 3.63

Features

Discontinued. Please see new model RSC199iP

Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary

Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream

Instant Heating: ThermaCirc360 technology provides faster hot water with a built-in recirculation pump, timer and thermal bypass valve - ideal for homes without a dedicated return line

Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.

Electric Tankless Ecotouch 18Kw On Demand Instant Hot Water Heater 240V, Self-Modulation Point Of Use Hot Water Heater Whole House Eco180B Black

ECOTOUCH
12.22 X 4.02 X 17.25 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ECOTOUCH 6.56

Features

【INSTANT & SUFFICIENT HOT WATER】 With real powerful 18kW smart heating system, the tankless hot water heater electric ECO180B supplies sufficient instant and endless hot water of 120℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time any more and no worry of running out of it. Perfect companion for whole house use, including shower, sink faucets, dishwasher, washing machine, etc.

【SELF MODULATION INSTANT WATER HEATER】The electric on demand tankless hot water heater ECO180B adjusts exact power input based on current flowrate and temp setting. For example, less power will be consumed by the smart water heater when you reduce water flow, thus, you get ideal temperature instead of scalding hot, which ensures comfortable experience and excellent energy efficiency. Also, optimal energy efficiency of 98% saves considerable electric charge for you.

【CONVENIENT USE】The electric tankless water heater 18kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status of the 240v water heater tankless, you needn’t go through hard lesson of temp setting. Now turn on the faucet and let the smart instant hot water heater do the rest.

【SAFE and DURABLE】Newly updated and applied with multiple protections, such as leakage protection, over heating protection and auto stop. Every piece electric tankless water heater ECO180B goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Inner water and electricity lines are designed to run separately so as to avoid leakage risk and scale build up. You can expect outstanding performance for years to come.

【POINT of USE WATER HEATER】The sleek tankless water heater ECO180B is compact as shoes box, making it possible to install anywhere point of use to avoid waste, ideal for shower, kitchen, bar, school and hair salon. Please verify it is the right size for you: 18kW at 240V(only); dimensions 12.22" (W) x 17.25" (H) x 4.02" (D); plumbing connections :3/4" NPT. In order to install 18kW Tankless Water Heater it would requires 240V, 2X40AMP Double Pole Breaker and 2X8AWG/2 wires with Grounding.

Rinnai Ru199In Condensing Tankless Hot Water Heater, 11 Gpm, Natural Gas, Indoor Installation

RINNAI
RU199IN
22.05 X 14.76 X 33.86 Inches
74.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended

Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary

Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream

Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation

Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.

Rheem Rtex-24 24Kw 240V Electric Tankless Water Heater, Gray

RHEEM
RTEX-24
18.25 X 14.50 X 3.50 Inches
17.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ON/OFF Dial Control with adjustable digital temperature display

Self-modulating power control

24kW Model Flow Rate: up to 5.9 GPM for RTEX-24

Bottom 3/4" NPT water connections

On demand, consistent and continuous hot water

Golden Flame Outdoor Natural Gas Patio Heater | 45,000 Btu | Xl-Series | Anti-Tilt And Safety Shut-Off | Residential And Commercial | Includes Drink Table And Wheels | Hammered Silver

GOLDEN FLAME
NFJ-444
25.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Mr.Patio 9.89

Features

IMPRESSIVE 45,000 BTU’S: With Golden Flame’s XL-Series natural gas heater, you can enjoy being outside even in the coolest of months. The wide reflector hood, crafted from aluminum, is combined with stainless steel burners to generate heat up to a 15-foot radius. While in use, the heater releases water vapor to help prevent dry air. Ideal for backyards, outside screened-in porches (with proper clearances), restaurant outdoor patios, and more.

EASY PRESS, EASY START: Featuring a rapid spark electronic ignition system, one press brings on the heat! While operating on natural gas, this XL-Series heater has an advanced “pilotless” burner system. The variable heat control knob allows for trouble-free adjustment from low to high heat and anywhere in-between.

SAFETY FIRST: This heater comes equipped with an automatic tilt sensor that shuts off the burner if it starts to tip. The base includes a reservoir for adding sand. Once filled, the sand adds 25lbs. of weight providing extra stability during breezy conditions. The base enclosure also allows for adding and concealing up-to an additional 50lbs. of weight for added stability during windy conditions.

CONNECTING TO FUEL SOURCE This heater is equipped with a 6-ft flexible gas hose from the burner, exiting the heater at the bottom. The end of the hose has a 3/8” male flared fitting for connection to your natural gas fuel source.

STYLISH DESIGN In addition to providing comforting warmth, this heater features a Hammered Pewter/Silver finish to fashion your outdoor area. A 360° round table conveniently holds drinks and snacks. Two heavy-duty mobility wheels allow for easy movement.

#TOP17

Camplux Pro 6.86 Gpm Outdoor Propane Tankless Water Heater With Advanced High Capacity Flow Control, Residential Gas Water Heater For 3-4 Persons Whole House

CAMPLUX ENJOY OUTDOOR LIFE
WA686LP
22.24 X 15.55 X 6.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camplux 9.69

Features

3 Simultaneous Applications In Winter.Camplux advanced 6.86 GPM high capacity flow control propane gas tankless water heater delivers 6.86 gallons per minute of on-demand endless hot water ensures instant hot water for 3-4 persons whole home shower and kitchen at one time.

Low Nitrogen Combustion,Energy Saving. The tankless gas water heater comes with low nitrogen balanced combustion design, v-type stainless steel burner,high heating efficiency up to 89.98 %. The water heater uniform energy efficiency range 0.89-0.92.

Direct-Current Frequency Conversion Fan-The propane gas water heater comes with a direct-current frequency conversion fan. The water heater can resist level 8 strong wind and you no need to worry about the water pressure in high floors.

Anti-Frozen Heating Mould All Round. The tankless gas water heater will auto heating when the ambient temperature <41 ℉. So you don’t need to wait for heating and no drain after the use.

Considerate Anti-Scalding Protection-The tankless water heater equipped with anti-scalding function to avoid the problem of excessively high setting temperature (causing burns ) caused by children's wrong operation.Therefore, it is impossible to set a temperature exceeding 122 ℉ under normal working conditions. The water valve needs to be closed to make the water heater in standby status before you set the temperature above 122 ℉.

Rinnai V94In Tankless Hot Water Heater, 9.8 Gpm, Natural Gas, Indoor Installation

RINNAI
V94IN
17.50 X 30.00 X 13.00 Inches
46.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon Warehouse 9.90

Features

Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE199iN model

Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)

Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician

Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Airthereal Electric Tankless Water Heater 18Kw, 240Volts - Endless On-Demand Hot Water - Self Modulates To Save Energy Use - Small Enough To Install Anywhere - For 2 Showers, Evening Tide Series

AIRTHEREAL
EVT-18K
17.25 X 12.22 X 3.43 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sain Store 9.84

Features

☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.

☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.

☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating energy compared to a typical tank water heater.

☼ Important Note: In order to install 18kW Electric Tankless Water Heater it requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. Please check to confirm that your breaker panel meet these specifications.

☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.

Tankless Water Heater Propane, Camplux 3.18 Gpm Instant Hot Water Heater With Fahrenheit Digital Display, Residential Propane Gas Water Heater For 2-3 Persons Bathroom Indoor Use, White

CAMPLUX ENJOY OUTDOOR LIFE
CA318W-LP
14.37 X 4.72 X 25.39 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camplux 9.68

Features

3.18 GPM Instant Constant Water Heater -Camplux 3.18 GPM propane tankless water heater delivers 3.18 gallons per minute of on-demand endless hot water ensures constant comfortable instant hot water for 2-3 persons whole house. 3.18-GPM heater is activated by water flow rather than water pressure; Minimum activation water capacity rate: 0.65 GPM-4.8 GPM; Maximum input rating: 82,000 BTUs; Water connection location/size: Bottom/0.5-inch NPT.

Easy Installation -The propane on demand water heater uses standard 1/2" NPT water fitting and gas inlet. The gas water heater comes with 2.3" horizontal vent pipe for convenient and quick installation,great for whole home,small cabins and remote apartments use. You can take S/S wall thimble-WT236 for perfect indoor use. You will need a gas regulator ( Camplux model KR-106A )& 1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter if you want to hook this water heater up to a propane tank.

Modern Design,Easy Operation -The indoor tankless water heater has trendy and modern design with unique white glassy front panel easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size propane tankless heater saves more space than traditional tanks.

Outstanding Features- The Camplux propane instant hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner,high heating efficiency up to 89.98 %; 90°wind isolation design, this tankless propane water heater can anti backflow wind in high floors, the S/S 2.36 ” vent pipe exhaust harmful gases quickly.

6-In-1 Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.

Note- The standby electric power of the product is 2W, and the working electric power of the product is 42W. Propane gas input pressure is 0.4psi. There is a pressure relief valve at the water inlet of water heater. It is necessary to manually unscrew the pressure relief valve to drain the water inside the machine in time after using the machine to avoid freezing and blew up when the temperature is lower than 32 ° F in winter .

Electric Hot Water Heater 110/120V Small Compact Tank Storage,Rv Tr 2.5-3.0 Gallon Trailer 1.5Kw Kitchen Instant Under Sink Counter Cupboard, Rv 1 Pcs 16” Long 1/2”Fip Stainless Steel Water Hose 11L

AGUST
168.00 X 126.00 X 122.40 Inches
8.86 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
E$M 4.92

Features

【SAFE DURABLE & LONGEVITY】304 Made of stainless steel and never rust,Anti-leakage plug,Multiple safety protection functions protect you from the risk of scald, leakage or other injury.Premium plastic shell is corrosion resistant,This mini hot water heater is ideal for kitchen, bar, school, hospital, community and RV.

【SMART INVERTER FOR ENERGY SAVING】Digital Display,Automatic heat preservation and storage of hot water, 3.0 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%,Maximum temperature167℉,The built-in smart chip heats up to the temperature you set, and automatically Insulation when heated to the specified temperature.

【EASY TO USE】storage tank electric water heater with easy-to-operate knob temperature adjustment design,Easy to control warmth.Vent valve, Tee pipeline, pipes and other accessories are complete for quick installation without additional expenses or preparing time of accessories.

【FAST RECOVERY RATE】Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time,8-15 minutes to heat to your desired temperature).

【COMPACT DESIGN】Can be shelf, wall or floor mounted (Water inlet and outlet upward); Dimensions: 18.0''L x12.6''W x10.2''H; 8.86lbs; 1/2″NPT NPT. 1.5 kW, 110-120 volts. One-year warranty and 24H customer service support, feel free to contact us.

【SERVRLF】If you have any questions about the product, you can contact us in time, and the customer service is online 24 hours a day for you

【UPGRADE】According to the customer feedback, the cylinder thickness of the water heater has increased from 0.8mm to 1.2mm. In order to make installation easier, the T-tube has been replaced with a new one! We will constantly improve our products.

Ecosmart Pou 6 Point Of Use Electric Tankless Water Heater, 6 Kw,White,1/20, 1/40, 1/95

ECOSMART
POU 6
11.00 X 3.00 X 6.00 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Can provide hot water for one sink at 0.5 GPM in warmer climates

Requires 1 x 30 amp breaker and 10 AWG wire

For one sink at 0.5 GPM in colder climates the POU 6 is recommended

This product is recommended for use with a single sink only. Do not use with a shower or multiple fixtures.

This unit operates at 220 volts and one should not use a plug while installing. This product is hard wired

Immersion Water Heater, 1500W Portable Water Heater With Lcd Thermometer & Stainless-Steel Guard, Heat 5 Gallons Of Water In Minutes Bucket Heater Hot Tub Heater For Home Travel Camping Mini Pool

QHECOMCE
11.41 X 1.96 X 3.54 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YYUI STOP 6.95

Features

【1500W Powerful & Safety Protection】The 1500W pool heater for above ground can heat up five gallons of water in minutes.The thermostat control of pool heater will turn on or off circularly and automatically to maintain the water temperature when water temperature reaches a certain level.

【Rust Proof 304 Stainless-steel Guard】This above ground pool heater power cord is made of PVC skin which is not easy to leak. The quality is safe and stable. The bottom drainage design adopts high-temperature and wear-resistant material for drainage, which is not easy to melt and prevent accidental damage. The immersion heater adopts a stainless steel protective shell which has a solid structure and high bending strength. Below the protective hole, the heat is released faster.

【Smaller Size & Portable Use】The pool water heater is small in size and easy to carry during travel, heating 5 Gallons of Water in Minutes Bucket Heater (How to use: Please make sure the immersion heater is fully immersed in water, and then connect the 120v/110v power supply. Equipped with a digital LCD thermometer, after heating for a period of time, put the probe into the water to test the water temperature.)

【Wide Use】The immersion water heater can be easily carried to heat water for different small capacity containers such as buckets, bathtubs, small pools, washbasins, mini inflatable swimming pools etc.

【Warning!!】The 1500W portable water heater must be completely immersed in water during working! Please take out the heater before touching the water! Please do not use it continuously for more than 3 hours! Do not plug the two water heaters into the same socket to avoid fire.

Fogatti Natural Gas Tankless Water Heater, Indoor 6.3 Gpm, 145,000 Btu White Instant Hot Water Heater, Instagas Comfort 145 Series

FOGATTI
15.50 X 7.30 X 23.90 Inches
36.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Fogatti Water Heater 6.78

Features

We recommend that all installations of units must be done by the local building and plumbing codes of the installation location and installation be done by a licensed professional.

The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.

145,000 BTU high heating capacity and maximum 6.3 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.81, the high energy conversion rate can effectively reduce energy loss.

Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.

Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.

FOGATTI provides free replacement within 30 days, and 5 years warranty on the heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs are extra from 31 days.

Black+Decker Tankless Electric Water Heater 36Kw 240 Volt 7.3Gpm, Self-Modulating Multi-Application Unit For Whole House, Hot Water On Demand, Digital Temperature Display

BLACK+DECKER
BD-36-DWH
22.25 X 17.25 X 8.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Home and Around Products 9.74

Features

Hot Water on Demand: Powerful 36kW heating system provides endless hot water with automatic water flow sensors. Ideal for entire home to receive instant and continuous hot water in seconds. Self-modulating unit allows you to set and maintain desired temperature in increments of 1℉. Easy-to-use and read digital temperature display.

Multi-Use Application: For commercial or residential use. Hot water tank designed for entire home in warm to hot climates. Ideal for showers, sinks, bathrooms, washing machines and kitchens.

Save Space & Money: Wall-mounting design allows you to install virtually anywhere - in a cabinet, closet, garage, basement. Save space with compact unit size. No bulky hot water tank needed; Save up to 50% on heating costs as water only heats when you need it.

Reliable & Durable: Extensive warranty of 7-year leakage-free coverage, 5-year heat exchanger, 2-year parts; Durable stainless steel, non-corrosive internal canisters and piping provide increased heating efficiency and life expectancy. Lead-free.

Easy Installation: Requires 4 x 40 amp single-phase double-pole breakers, 4 x 8/2 AWG wire size and 240V; Standard 3/4 in. NPT (straight thread) fittings. Unit does not require gas lines or venting.

#TOP26
Best For Ng

Ariston 19 Gal Pou Electric Water Heater

ARISTON
ARI POU-20 120V 1500W
18.20 X 18.20 X 25.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ariston 8.00

Features

Compact designed 19 gallon electric water heater. Provides instant hot water at point of use. 6-year limited warranty on tank.

Durable glass-lined heavy gauge carbon steel tank that tolerates high temperatures for years of trouble-free service.

Immersed screw-in heating element transfers heat directly to water, offering maximum recovery efficiency and direct, 98% heat transfer. Maximum temperature capability of 160 degrees.

Versatile to fit any installation condition. Easy to wire electrical connections.

Hard wired electrical connection; Recommended circuit breaker size: 15 Amps

Camplux 2.64 Gpm Residential Indoor Tankless Water Heater,On-Demand Instant Water Heater With Fahrenheit Digital Display, Liquefied Propane Gas Water Heater For Small Homes, Apartments Use, Black

CAMPLUX ENJOY OUTDOOR LIFE
CM264B
12.80 X 5.91 X 20.28 Inches
23.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camplux 9.68

Features

Compact Design,Saving Energy-The compact size - 12.8"(L)*5.91"(W)*20.28"(H) tankless water heater saves more space than traditional tanks.Trendy and modern design with fahrenheit digital temperature display.Eco and Full gas switch for energy saving and get ideal hot water temperature.

On-Demand Tankless Water Heater-Camplux high efficiency 2.64 GPM propane gas tankless water heater delivers 2.64 gallons per minute of on-demand endless hot water ensures instant hot water for any small homes, cabins or apartments.

Safety Features-Flame-out protection, anti-freezing protection(manual drainage needed),over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.

Easy Installation -The propane water heater uses standard 1/2" NPT water fitting and gas inlet. Comes with 2" horizontal vent pipe,ensures efficient power ventilation. Minimum activation rate: 0.65 GPM; Maximum input rating: 68,000 BTU; Water connection location/size: Bottom/0.5-inch NPT. You will need a gas regulator ( Camplux model KR-106A )&1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter if you want to hook this water heater up to a propane tank.

Considerate Customer Service- Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

#TOP28

Atmor 18Kw 3.73 Gpm Electric Tankless Water Heater, Ideal For 1 Bedroom Home, Up To 3 Simultaneous Applications

ATMOR
AT-912-18TP
5.00 X 5.25 X 5.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Home and Around Products 9.73

Features

Continuous on demand tankless hot water heater, no hot water tank

2 x 40 Amp DP breakers, 2 x 8/2 AWG wires with ground, 240V

Saves up to 50% on water heating costs vs. a tank water heater

Ideal for commercial or residential use

Superior Warranty - 2-year limited parts only, 7-years free from leakage

Marey Ga24Csang 8.34Gpm, High Efficienty, Csa Certified, Residential Multiple Points Of Use Natural Gas Tankless Water Heater, White, Small

MAREY
GA24CSANG
7.30 X 17.10 X 26.20 Inches
40.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

CSA Certified

LED Touch Screen Computerized Safety

Flow activation

Oxygen free copper heat exchanger

Stainless Steel Venting Exhaust

Anti-Freeze Protection

UL listed

DOE

Unit performance is affected if installed above 2000 feet elevation from sea level

Bosch Thermotechnology - Wh27 Tronic 6000 C Electric Tankless Water Heater - Eliminate Time For Hot Water - Easy Installation 26.9 Kw

BOSCH THERMOTECHNOLOGY
7736503051
15.50 X 4.50 X 12.50 Inches
19.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

CONVENIENT TANKLESS HOT WATER HEATER: 26.9 kW tankless whole house electric water heater provides hot water when needed, for as long as needed

EASY INSTALLATION: Can be installed virtually anywhere for commercial or residential applications

CONSISTENT TEMPERATURE: Polymer encased elements & built-in flow sensor ensures constant output temperature

STABILITY & CONTROL: External temperature control knob & superior temperature stability and control

GREAT EFFICIENCY: 97% thermal efficiency with minimal stand-by loss

Top 10 water heaters residential Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Rinnai 49
Camplux Enjoy Outdoor Life 6
Chronomite Labs 6
Rheem 6
Ao Smith 5
Ecosmart 4
Fogatti 4
Golden Flame 4
Eccotemp 3
Marey 3

Top 10 water heaters residential Brands Pie Chart


We've carried out a comprehensive analysis of 46,726 reviews on water heaters residential, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select water heaters residential priced around $819.69, with top brands including and

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