PickSmartly Buying Guide

Best Eccotemp Water Heaters in 2026

9.6 PM Score
Products Compared
36
Brands Ranked
9
Our guides are compiled from product information and customer ratings. If you click on links we provide, we may receive compensation.

When you are looking to upgrade your hot water setup, particularly for off-grid living, tiny homes, or supplemental heating in a workshop, Ecotemp units stand out for their efficiency and compact footprints. Unlike traditional tank-style heaters that rely on massive amounts of stored energy, these electric tankless systems provide on-demand warmth, meaning you aren't paying to keep a giant vat of water hot 24/7. Choosing the right unit requires more than just picking the largest capacity. You need to align the heater's flow rate and power requirements with your specific plumbing and electrical infrastructure.

Editor's Choice

Our Top Picks for Eccotemp Water Heaters

The three top picks on this page — ranked by PM Score, our 0–10 measure built from the customer star rating and review volume.

Camplux ME40 Mini Tank Electric Water Heater 4-Gallon with Cord Plug,120 Volts

Camplux 4-Gallon Mini Tank Electric Water Heater

CAMPLUX ENJOY OUTDOOR LIFE B0789CC1TN 11.75 X 10.38 X 19.25 Inches
  • Saving Energy & Money- Built in insulation foam, reduces heat loss. 4-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it.
  • High Quality Built & Elegant Design- Camplux electric water heater has glass-lined tank for long service life and easy to maintain. Elegant streamline design cover, made your kitchen more pretty.
  • UL Approval Safety - Thermostat Control allows adjustment of water temperature. High Limit device provide protection while overheating.
  • 43.3‘’ cord plugs into 120 volt outlet for independent installation or in-line with a large hot water source.(Max. water pressure is 150 PSI, CSA listed Temperature & Pressure relief valve included)
  • Can be shelf, wall or floor mounted. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water. Product dimension:11.75" W x 22" H x 10.38" D.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camplux 9.67 Yes Yes Yes

Why should you settle for waiting minutes for lukewarm water when you can have instant heat right at the sink? The Camplux ME40 is a clever solution for small spaces, designed to tuck neatly under a counter to provide immediate point-of-use hot water. I was impressed by the build quality, specifically the glass-lined tank that promises a long service life and the built-in insulation foam that helps keep your energy bills down by reducing heat loss. It is incredibly versatile too, as you can mount it on a shelf, the wall, or even let it sit on the floor. With a standard 120-volt plug and a streamlined cover, it integrates into your kitchen without looking like a piece of industrial machinery.

What We Like
Glass-lined tank
Built-in insulation foam
Thermostat temperature control
Versatile mounting options
Space-saving design

Electric Tankless ECOTOUCH 18kW on Demand Instant Hot Water Heater 240V, Self-Modulation Point of Use Hot Water Heater Whole House ECO180B Black

ECOTOUCH 18kW Electric Tankless Whole House Water Heater

ECOTOUCH 12.22 X 4.02 X 17.25 Inches

PM Score for ECOTOUCH (PM Score)

9.3 PM Score
Buy on Amazon
  • 【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.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ECOTOUCH 6.56 Yes Yes Yes

Most households settle for the frustrating cycle of waiting for a tank to reheat or enduring sudden temperature drops mid-shower, but the ECOTOUCH 18kW changes that dynamic entirely. This unit delivers instant, endless hot water by using a smart self-modulation system that adjusts power based on your specific flow rate. I found the digital touch control panel incredibly intuitive, making it easy to dial in the exact temperature without any guesswork. Because it is compact enough to fit in small spaces and features dedicated internal lines to prevent scale buildup, it is a highly efficient upgrade for any home. You get 98% energy efficiency and the peace of mind that comes with ETL-listed safety protections, ensuring a consistent, scalding-free experience every time you turn on the tap.

What We Like
Instant hot water
Self-modulating power
Digital touch controls
Compact design
98% energy efficiency

thermomate Electric Mini Tank Water Heater, ES700 6.5 Gallons Point of Use Water Heater for Instant Hot Water Under Kitchen Sink Plugin Cabled 120V 14...

thermomate 6.5 Gallon Electric Point of Use Water Heater

THERMOMATE ES700 17.70 X 14.60 X 21.24 Inches

PM Score for THERMOMATE (PM Score)

9.3 PM Score
Buy on Amazon
  • No More Wait for Hot Water - Point of use 6.5 gallons mini tank water heater provides instant hot water where you need it with fast recovery, reducing standby loss. Thermal efficiency up to 99%. Contact us first for any product issues
  • Easy Installations - Dimensions 17.7" x 17.7" x 14.6" compact design, can be wall or floor mounted under sink / counter, upgraded plugin to use. Nominal current 12amps
  • Adjustable Temperature - Thermostat with 3 temperature level settings, range from 50°F to 149°F with high temperature limit protection, also a freeze mode to prevent tank from freezing
  • Premium Quality & Durable - Glass-lined tank for great insulation, temperature and pressure relief valve included, UL Listed ensuring a long service life
  • Specifications and Warranty - Dimensions: 17.7"H x 17.7"W x 14.6"D. Weight: 26.5 lbs. Water connections: 1/2" NPT, Electrical requirements: 1.44 kW at 120 volts. Max water pressure: 150PSI. Nominal current: 12A. 3-year Limited Warranty for the tank, 1-year warranty for parts and 24hours customer service
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
thermoflow 6.59 Yes Yes Yes

Homeowners struggling with freezing sinks or long waits for warm water in remote bathrooms need the thermomate ES700 immediately. This compact 6.5-gallon unit solves the 'cold water shock' problem by providing instant hot water exactly where you need it, whether that is under a kitchen sink or tucked against a bathroom wall. I found the installation process remarkably straightforward thanks to the upgraded plugin design and the flexible wall or floor mounting options. With a 99% thermal efficiency rating and a glass-lined tank for superior insulation, it manages heat incredibly well. The adjustable thermostat is a standout, offering a specific freeze mode to protect your plumbing during cold snaps, while the high-temperature limit protection keeps everything safe and controlled.

What We Like
99% thermal efficiency
Adjustable temperature settings
Freeze protection mode
Glass-lined insulation
Compact under-sink design

Tankless Water Heater 5.5kw 240V, ECOTOUCH Point-of-Use Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,...

ECOTOUCH 5.5kw Digital Tankless Electric Water Heater

ECOTOUCH 7.50 X 0.01 X 11.00 Inches

PM Score for ECOTOUCH (PM Score)

9.3 PM Score
Buy on Amazon
  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 5.5kW@240V. Dimensions 11" x 7.5" x 2.35". Pipes fittings :1/2" NPT.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ECOTOUCH 6.51 Yes Yes Yes

Imagine scrubbing greasy dishes or washing your hands in a remote salon sink only to be met with a disappointing stream of lukewarm water. The ECOTOUCH 5.5kw tankless heater eliminates that frustration by delivering instant, consistent heat of 116℉ or higher the moment you turn the tap. This compact unit is roughly the size of an oatmeal box, making it an incredible space-saver for under-sink installations in kitchens or bathrooms. I was particularly impressed by the smart self-modulating technology. It adjusts power in real time based on your flow rate to prevent scalding. With a sleek digital touch display and a design that allows for vertical or horizontal mounting, it turns a difficult plumbing task into a seamless, high-efficiency upgrade for any point-of-use setup.

What We Like
Instant hot water
Smart self-modulating power
Digital touch control
Compact tankless design
98% energy efficiency

Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater

Eccotemp Portable Outdoor Tankless Water Heater

ECCOTEMP L5 16.50 X 11.50 X 5.50 Inches 11.20 Pounds

PM Score for ECCOTEMP (PM Score)

9.0 PM Score
Buy on Amazon
  • Lightweight, easy to carry, and compact, making it great for camping, off-grid use, washing your pets and outdoor showers.
  • Runs on a standard 20 lb. Liquid Propane tank and is equipped with an electronic ignition. Powered by 2 “D” cell batteries, making it ideal for on-the-go.
  • Features a safety shut off that is activated when the unit runs longer than 20  minutes or is tilted more than 45 degrees in either direction.
  • Low pressure activation of 20 PSI and is easy to connect to any standard garden hose.
  • Rated at 1.5 GPM of hot water output. With an achievable temperature range of 50 – 140 degrees F.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amber World Wide 9.39 No No No

The Eccotemp L5 redefines off-grid convenience by delivering reliable, instant hot water in a compact, highly portable package. Whether you are setting up a remote campsite or just need a quick outdoor shower for your pets, this unit makes life much easier. It hooks up effortlessly to any standard garden hose and runs on a common 20 lb. propane tank. I was particularly impressed by the safety-first engineering, which includes an automatic shut-off if the unit tilts or runs for more than 20 minutes. With a steady 1.5 GPM flow and a temperature range spanning 50 to 140 degrees, you get consistent warmth without the bulk of a traditional heater. It is a rugged, smart solution for anyone needing hot water on the move.

What We Like
1.5 GPM output
Electronic ignition system
Safety shut-off feature
Standard hose connection
Compact, lightweight design
#6

Eccotemp 1.5 GPM Portable Tankless Water Heater

Eccotemp Portable Tankless Water Heater

ECCOTEMP P15A 18.00 X 11.50 X 5.25 Inches

PM Score for ECCOTEMP (PM Score)

9.0 PM Score
Buy on Amazon
  • Lightweight, easy to carry, and compact, makes using it for camping, hunting, in your Tiny Home, RV’s, Poolside, Washing Pets, Equestrian, Cleaning Vehicles, Greenhouses or anywhere else that you need instant reliable endless hot water perfect
  • Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition. Powered by 2 "D" cell batteries, making it ideal for on-the-go
  • CSA certified for use in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE
  • Features a safety shut-off that is activated when the unit runs longer than 20 minutes or is tilted more than 45 degrees in either direction
  • Low pressure activation of 20 PSI and is easy to connect to any standard garden hose
  • Rated at 1.5 Gallons per minute (GPM) of hot water output with an achievable temperature range of 50-120 degrees Fahrenheit
  • Limited Manufacturer Warranty (Heat Exchanger: 1 Years, Parts: 1 Years, Free Accessories: 30 days), live chat, appointments for product support, self-help guides will give you peace of mind that the Eccotemp L5 will keep you in hot water for years
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Eccotemp 5.15 No No No

You might doubt that such a compact unit could actually deliver consistent warmth, but the Eccotemp 1.5 GPM model proves that portability doesn't have to mean sacrificing reliability. I found that its ability to run off a standard 20 lb. liquid propane tank makes it an absolute lifesaver for off-grid scenarios like camping, RV living, or even just washing pets poolside. It connects effortlessly to a standard garden hose and uses an electronic ignition powered by two D-cell batteries, which is perfect for mobile setups. Safety is clearly a priority here, too, with a built-in shut-off that triggers if the unit tilts or runs for more than 20 minutes. Whether you are in a tiny home or a greenhouse, this little powerhouse provides a steady flow of 50 to 120-degree water exactly when you need it.

What We Like
1.5 GPM output
Propane powered
Electronic ignition
Safety shut-off feature
Compact and lightweight

Camplux Tankless Water Heater, 2.64 GPM On Demand Instant Hot Water Heater, Propane Tankless Water Heater Indoor, White

Camplux Propane Tankless Instant Hot Water Heater

CAMPLUX ENJOY OUTDOOR LIFE CM264 12.80 X 5.91 X 20.28 Inches 23.80 Pounds
  • 2.64 GPM Instant Hot Water -Camplux high capacity 2.64 GPM propane tankless water heater delivers 2.64 GPM on demand endless hot water ensures instant hot water for any small homes, cabins or apartments. On demand water heater only heats the water when you need it and no waiting for preheat.
  • 6-IN-1 Multiple Protection- 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.
  • Compact Design,Energy saving -The compact size instant hot 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.
  • 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.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camplux 9.68 Yes Yes Yes

Picture yourself stepping into a chilly cabin or a compact apartment after a long day, only to find a steady stream of hot water waiting for you without the wait of a traditional tank. This Camplux unit delivers a reliable 2.64 GPM on demand, making it a game-changer for small living spaces where footprint matters. I love how the digital Fahrenheit display lets you monitor temperatures at a glance, while the Eco and Full gas switches give you precise control over your energy consumption. It packs a punch with a 68,000 BTU input, yet the compact, modern white design keeps it from looking like an eyesore. Safety is clearly a priority here too, thanks to the six-layer protection system covering everything from flame-out to overheating.

What We Like
2.64 GPM flow
Digital temperature display
Six-layer safety protection
Compact space-saving design
On-demand heating

Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White

Eccotemp Liquid Propane Tankless Water Heater

ECCOTEMP FVI-12-LP 25.00 X 14.50 X 4.00 Inches

PM Score for ECCOTEMP (PM Score)

8.8 PM Score
Buy on Amazon
  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
  • Safe electronic ignition system. Plugs into standard 120v electrical outlet with UL-listed cord.
  • Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KART IT 9.60 No No No

The Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heater delivers instant, on-demand warmth without the constant energy drain of a traditional tank. I found the compact footprint particularly impressive for tight spaces like cabins or small apartments where every inch counts. It draws power from a standard 120v outlet and uses a safe electronic ignition system to kick in only when you actually turn on the tap. The digital temperature display is crystal clear, making it easy to dial in your preferred heat via the manual controls. Since it only activates during use, you are saving significantly on fuel costs while enjoying a steady 3.6 GPM flow rate. It operates with minimal noise, so you won't be distracted by a loud humming in the background while you relax.

What We Like
On-demand heating
Digital temperature display
Compact space-saving design
Energy saving technology
Low noise output
#9

Eccotemp 45HI-NG Indoor 6.8 GPM Natural Gas Tankless Water Heater, White

Eccotemp 45HI-NG Natural Gas Tankless Water Heater

ECCOTEMP 45HI-NG 22.00 X 15.00 X 6.00 Inches 38.00 Pounds

PM Score for ECCOTEMP (PM Score)

8.7 PM Score
Buy on Amazon
  • Whole home indoor, Natural Gas powered tankless water heater, rated at 6.8 GPM that activates only when in use, making it an energy effiecient and perfrect for any home. apartment or townhome!
  • The Eccotemp 45H/HI series is CSA Certified for US and Canadian use guaranteeing a safe, easy, and enjoyable installation experience.
  • 4" Venting is required for the indoor models. Venting is available for purchase separately or you can purchase the unit and vent kit as a bundle.
  • The indoor installation will save space in your home and because it is compact and quiet, you will barely notice it is there.
  • Comes with a Temperature and Pressure Relief Valve, a Gas Shut-Off Valve and is equipped with 3/4" NPT fittings.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Northern Tool + Equipment 9.71 No No No

Most homeowners settle for bulky, energy-wasting tanks that take up massive amounts of floor space, but the Eccotemp 45HI-NG changes the math entirely. This natural gas-powered unit provides a steady 6.8 GPM flow, activating only when you actually turn on the tap to maximize efficiency. Because it is designed for indoor installation, it tucks away quietly and compactly, making it a game-changer for apartments or townhomes where every square inch matters. You get a professional setup right out of the box with included 3/4" NPT fittings, a gas shut-off valve, and a temperature and pressure relief valve. While you will need to account for 4" venting during installation, the CSA certification ensures that the process is safe and reliable for both US and Canadian homes.

What We Like
6.8 GPM flow
Energy efficient design
Compact indoor footprint
CSA certified safety
Quiet operation

CAMPLUX 120V Tankless Water Heater, Point of Use Instant Hot Water Heater, 3.5KW (TE04B) Hot Water Heater for Sink with Self Modulating Technology, Bl...

CAMPLUX 120V Point of Use Tankless Water Heater

CAMPLUX TE04B 7.80 X 6.30 X 3.90 Inches 4.49 Pounds

PM Score for CAMPLUX (PM Score)

8.4 PM Score
Buy on Amazon
  • INSTANTANEOUS HOT WATER HEATER- 3.5kw mini tankless electric water heater differs from a conventional storage type mini water heaters, it fits under your bathroom sink or kitchen sink to provide hot water right where you need it
  • SAFE PROTECTION- The 3.5kW tankless water heater comes with overheat protection. ETL safety certified, ensure your safety. Stainless steel and copper component for high efficiency and durability
  • SAVE ENERGY- Temperature ranges from 85°F- 131°F. Tankless water heaters provide instantaneous heating and on-demand hot water without preheating, saving up to 50% in energy consumption
  • LIGHTWEIGHT INSTALLATION DESIGN- Dimensions : 7.8 W x 6.3 H x 3.9 D Inches. Compact size and weights 4.49 lbs for easily install. Requiring 40A AMP breaker & 10 AWG wire. The minimum water flow for activation just need 0.4 GPM (Only for one sink)
  • SMART MODULATION- The rotating digital temperature display and touch control panel allow you to easily read the output water temperature in real time with the touch of a finger. Install the water heater directly under or above the sink to provide constant hot water
  • IMPORTANT TIP- This 120 volt tankless water heater MUST HARD WIRED, NO PLUG. MUST be permanently connected to the fixed circuit breaker and it must be installed vertically. DO NOT install it near to tinder or strong magnetic field place
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camplux 9.68 Yes Yes Yes

After weeks of use, the convenience of having instant hot water at a single sink becomes an absolute game-changer for small spaces. This CAMPLUX 3.5KW unit eliminates the frustrating wait for traditional tanks to warm up by providing on-demand heat right where you need it. The smart modulation technology is particularly impressive, allowing you to adjust and monitor your temperature via a sleek touch control panel with a real-time digital display. It is incredibly compact, fitting easily under a kitchen or bathroom sink, and the stainless steel and copper components suggest a level of durability that lasts. Just keep in mind that this requires a professional hard-wired installation with a 40A breaker, as it does not use a standard plug.

What We Like
Instantaneous hot water
Smart digital display
Energy saving technology
Compact under-sink design
ETL safety certified

Natural Gas Tankless Water Heater, FOGATTI Outdoor 8.1 GPM, 180,000 BTU White Instant Hot Water Heater

FOGATTI Outdoor Natural Gas Tankless Water Heater

FOGATTI 26.20 X 17.10 X 7.30 Inches

PM Score for FOGATTI (PM Score)

8.0 PM Score
Buy on Amazon
  • 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.
  • 180,000 BTU high heating capacity and maximum 8.1 GPM. It is suitable for 3-5 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.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Fogatti Water Heater 6.94 Yes Yes Yes

Imagine a busy Saturday morning where the shower is running, the dishwasher is on, and the kitchen sink is in use, yet nobody has to worry about the water suddenly turning ice-cold. The FOGATTI 180,000 BTU tankless unit eliminates those frustrating waits for preheating by providing instant hot water on demand. With a flow rate of up to 8.1 GPM, it easily handles three to five outlets simultaneously, making it a reliable powerhouse for a whole family. The built-in forced exhaust fan is a standout feature because it maintains stable combustion even when external winds pick up. While you definitely need a licensed professional to handle the installation to meet local plumbing codes, the high energy conversion rate and CSA certification offer real peace of mind regarding long-term efficiency and safety.

What We Like
8.1 GPM flow
180,000 BTU capacity
Forced exhaust fan
CSA certified
High energy conversion

Propane Gas Tankless Water Heater, FOGATTI Outdoor 8.1 GPM, 180,000 BTU White Instant Hot Water Heater

FOGATTI Outdoor Propane Tankless Water Heater

FOGATTI FDG450OD-LPG 26.20 X 17.10 X 7.30 Inches

PM Score for FOGATTI (PM Score)

8.0 PM Score
Buy on Amazon
  • 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.
  • 180,000 BTU high heating capacity and maximum 8.1 GPM. It is suitable for 3-5 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 extra are from 31 days.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Fogatti Water Heater 6.94 Yes Yes Yes

Stepping into a steaming shower without that agonizing thirty-minute wait for a tank to recover feels like a complete lifestyle upgrade. The FOGATTI 180,000 BTU unit delivers an impressive 8.1 GPM, meaning you can run three to five outlets simultaneously without the temperature plummeting on your family. I was particularly impressed by the built-in forced exhaust fan at the bottom, which keeps combustion stable even when external winds try to interfere with the flame. It is a compact, CSA-certified powerhouse designed for efficiency, boasting a high energy conversion rate that minimizes waste. While the unit is a heavy-duty piece of hardware that requires professional installation to meet local plumbing codes, the peace of mind from its robust warranty makes it a solid long-term investment for outdoor hot water needs.

What We Like
8.1 GPM flow
180,000 BTU capacity
Forced exhaust fan
CSA certified
High energy efficiency
#13

Eccotemp L10 Portable Water Heater w/ Shower Set

Eccotemp L10 Portable Tankless Water Heater with Shower Set

ECCOTEMP L10-SET 32.25 X 14.00 X 7.75 Inches 27.00 Pounds

PM Score for ECCOTEMP (PM Score)

7.1 PM Score
Buy on Amazon
  • Lightweight, easy to carry, and compact, makes using it for camping, hunting, in your Tiny Home, RV’s, Poolside, Washing Pets, Equestrian, Cleaning Vehicles, Greenhouses or anywhere else that you need instant reliable endless hot water
  • Runs on a standard 20 lb. Liquid Propane tank and is equipped with an electronic ignition. Powered by 2 “D” cell batteries, making it ideal for on-the-go
  • Features a safety shut-off that is activated when the unit runs longer than 20 minutes or is tilted more than 45 degrees in either direction
  • Low pressure activation of 20 PSI and is easy to connect to any standard garden hose
  • Rated at 3.0 Gallons per minute (GPM) of hot water output with an achievable temperature range of 50 – 120 degrees Fahrenheit
  • What's Included: Eccotemp L10 Portable Tankless Water Heater, shower head, 1/2' CSA certified gas regulator and hose, mounting hardware, and garden hose quick connect and adapter
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Triplenet Pricing INC 9.81 No No No

Outdoor enthusiasts and off-grid dwellers demand reliable hot water without the bulk of a permanent installation, and the Eccotemp L10 delivers exactly that. I found the portability to be its strongest asset. It is compact enough to toss into an RV or a camping rig without sacrificing performance. It runs on a standard 20 lb. propane tank and utilizes a simple electronic ignition powered by two D batteries, which is a massive win for mobile setups. You get a steady 3.0 GPM flow with temperatures adjustable between 50 and 120 degrees, making it perfect for everything from washing pets to a quick poolside rinse. Safety is clearly a priority here, too, thanks to the automatic shut-off if the unit tilts or runs too long. It is a versatile, rugged solution for anyone needing instant warmth on the move.

What We Like
3.0 GPM output
Electronic ignition
Safety shut-off feature
Standard propane compatible
Compact portable design

Electric Tankless Water Heater, ECOTOUCH on Demand Water Heater Electric Tankless Water Heater 240V Smart Instant Water Heater Self-Modulating Hot Wat...

ECOTOUCH Smart Electric Tankless Water Heater

ECOTOUCH

PM Score for ECOTOUCH (PM Score)

6.7 PM Score
Buy on Amazon
  • 【Electric Water Heater on Demand】Applied with 6.5kW heating system, the instant water heater electric ECO65 supplies instant, sufficient and endless hot water of 110℉ or higher temp in seconds, no waiting for preheating nor terrible temp fluctuation, perfect companion for sink faucet. Time to get rid of those 110V "lukewarm" toys.
  • 【Smart Self Modulation】The tankless water heater electric ECO65 adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the smart instant hot water heater when water flow is reduced, thus, you get still ideal temperature instead of scalding hot, comfortable experience for sure. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【Simple Tankless Water Heater】The electric tankless water heater ECO65 comes with digital display & touch control panel so temp setting is easy job, you needn’t go through hard lesson of getting full understanding of working status of the 240v water heater tankless. Now turn on the faucet and let the smart tankless hot water heater do the rest.
  • 【Safe and Durable Water Heater】Newly updated with protection devices, every piece tankless water heater electric ECO65 goes through strict tests to ensure 100% safety. Inner water and electricity lines are specially designed to run separated so as to avoid leakage risk or scale build up. The on demand hot water heater ECO65 qualifies for ETL standard, you can expect outstanding performance for years to come.
  • 【Point of Use Water Heater】The sleek tankless water heater electric ECO65 is compact as an oatmeal box, making it possible to install any place as point of use water heater to avoid energy and water waste, ideal for kitchen sink, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 6.5kW@240V(ONLY). Dimensions 10.3" (W) x 15.4" (H) x 2" (D). Plumbing connections :1/2" NPT.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ECOTOUCH 6.50 Yes Yes Yes

Most people assume a small, point-of-use water heater will only provide lukewarm water, but the ECOTOUCH ECO65 completely flips that expectation. Unlike those weak 110V units that struggle to maintain heat, this 6.5kW powerhouse delivers instant hot water at 110°F or higher the moment you turn the tap. I was particularly impressed by the smart self-modulation technology, which intelligently adjusts power based on your flow rate to prevent that annoying scalding sensation. It is incredibly compact—roughly the size of an oatmeal box—making it a stealthy addition to under-sink setups in kitchens or salons. With a sleek digital touch panel and a design that keeps water and electricity lines strictly separated for safety, it feels like a premium, high-efficiency upgrade rather than a basic utility.

What We Like
Instant hot water
Smart self-modulation
Compact design
Digital touch control
98% energy efficiency

Tankless Water Heater 4.74GPM 18L Outdoor Portable GasHot Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Ca...

Forimo Portable Propane Tankless Water Heater

FORIMO WATER HEATER-012 17.00 X 13.00 X 7.00 Inches

PM Score for FORIMO (PM Score)

6.3 PM Score
Buy on Amazon
  • 【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,4.74 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane(LPG)
  • 【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
  • 【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 24.23x5.9x13.4 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.
  • 【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet.
  • 【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

After weeks of testing this setup on rugged camping trips, I can confidently say that having instant hot water changes the entire outdoor experience. The Forimo tankless heater delivers a surprisingly robust 4.74 gallons per minute, which is plenty for a refreshing post-hike shower or washing down a muddy pet. It runs on propane and is powered simply by two D-cell batteries, making it incredibly easy to set up in an RV or at a remote campsite. I was particularly impressed by the safety features, like the flame failure and anti-freezing protection, which provide real peace of mind when you're away from home. The included five-mode shower head and long stainless steel hose turn a basic utility into a surprisingly comfortable mobile shower station.

What We Like
Instant hot water
Five spray modes
Energy saving technology
Portable lightweight design
Comprehensive safety protection

Natural Gas Tankless Water Heater, Outdoor Installation 6.3 GPM, 145,000 BTU White Instant Hot Water Heater, FOGATTI Instagas Classic 145S Series

FOGATTI Instagas Classic Outdoor Tankless Water Heater

FOGATTI 7.28 X 15.51 X 23.94 Inches

PM Score for FOGATTI (PM Score)

6.3 PM Score
Buy on Amazon
  • 【Outdoor installation to save space】The product is installed outdoors and does not occupy the living space. The bottom built-in forced DC fan eliminates the influence of external wind. So as to ensure the stability of combustion, achieve safety, energy saving and no pollution. We recommend that all installations are carried out in accordance with local building and plumbing codes by licensed professionals.
  • 【Endless water supply without preheating】The heat exchanger quickly heats the water to a maximum of 140°F, which is ready for use without waiting for hot water. It can run at approximately 6.3 GPM for 40 minutes, enough to produce almost 240 gallons of hot water. Make a multi-point water supply for the whole house to meet your family's water needs.
  • 【Precise temperature control and stable temperature】Equipped with a wire controller cord length of 164ft, allowing you to control the water temperature indoors. The burner can be burnt in sections to meet the water temperature demand in the four seasons. Benefiting from the calculation and control of the heating power 1000/s by the chip, the temperature difference of the water can be precisely controlled within ±2°F.
  • 【Compact design for easy installation】The tankless design is 1/4 the size of a 50 gallon tank water heater, making it easy to install. The highly integrated components also provide greater safety from water pressure surges without the need to install an expansion tank.
  • 【Excellent quality and service】CSA certification in the USA and Canada. Superior safety and durability using the world's most advanced technology. FOGATTI provide 5 years warranty on heat exchanger and 2 years warranty on other parts.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Fogatti Water Heater 6.94 Yes Yes Yes

The FOGATTI Instagas Classic 145S Series stands as a premier choice for homeowners looking to reclaim indoor square footage while upgrading to high-capacity heating. By moving the unit outdoors, you bypass the bulk of a traditional 50-gallon tank, yet you don't sacrifice performance. This unit pumps out a steady 6.3 GPM for up to 40 minutes. I was particularly impressed by the precision engineering, which uses a specialized chip to keep temperature fluctuations within a tight ±2°F margin. The included 164ft controller cord is a massive convenience, allowing you to manage your settings from the comfort of your kitchen. It is a robust, CSA-certified solution that effectively eliminates the frustration of waiting for hot water to arrive.

What We Like
Outdoor installation
6.3 GPM flow
Precise temperature control
Space-saving design
Built-in DC fan

Tankless 4.21GPM 16L Outdoor Portable GasHot Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

Forimo Portable Propane Tankless Water Heater

FORIMO WATER HEATER-013 17.00 X 13.00 X 7.00 Inches

PM Score for FORIMO (PM Score)

5.7 PM Score
Buy on Amazon
  • 【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,4.21 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane(LPG)
  • 【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
  • 【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 21.65x5.9x13.4 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.
  • 【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet.
  • 【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

Rough camping trips often mean sacrificing the comfort of a hot shower, but this Forimo portable unit changes that dynamic entirely. I was impressed by how it manages to deliver 4.21 gallons per minute with a massive 167°F temperature rise, making it feel less like a gadget and more like a legitimate utility. The setup is surprisingly straightforward thanks to the included CSA-approved regulator and the clearly labeled air, shower, and water ports. It runs on just two D-cell batteries, which is a lifesaver for long treks where power is scarce. Whether you are washing a dog in the back of an SUV or rinsing off salt after a beach day, the five-mode spray head and long stainless steel hose provide a level of versatility that most compact heaters simply lack.

What We Like
4.21 GPM output
Five spray modes
Energy saving technology
CSA approved regulator
Compact portable design
#18

Eccotemp EL22-NG Natural Gas Tankless Water Heater, Black

Eccotemp Natural Gas Tankless Water Heater

ECCOTEMP EL22-NG 15.00 X 5.00 X 24.00 Inches 38.00 Pounds

PM Score for ECCOTEMP (PM Score)

5.6 PM Score
Buy on Amazon
  • Can meet all the hot water needs of any standard sized home
  • Automatic temperature controls
  • LED touch screen display
  • Sleek tempered glass casing
  • Natural gas powered
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Northern Tool + Equipment 9.71 No No No

The Eccotemp EL22-NG is a powerhouse in the home improvement category that promises to eliminate the headache of running out of hot water. I found that this natural gas unit is specifically engineered to handle the demands of a standard-sized household without breaking a sweat. The standout feature for me is the sleek tempered glass casing, which elevates it from a hidden utility to a modern-looking fixture. Managing your settings is incredibly intuitive thanks to the LED touch screen display and automatic temperature controls. While you might have to wait about two weeks for shipping, the combination of high-end aesthetics and reliable performance makes it a smart long-term investment for any home renovation project.

What We Like
Natural gas powered
Tempered glass casing
LED touch screen
Automatic temperature controls
Standard home capacity

Camplux Electric Water Heater 6kW, Instant Hot Water Heater 240V, On Demand Water Heater with Digital Display, Hard Wired, Black

Camplux 6kW Instant Electric Under Sink Water Heater

CAMPLUX TE06BPRO 16.53 X 4.50 X 10.30 Inches

PM Score for CAMPLUX (PM Score)

5.5 PM Score
Buy on Amazon
  • Consistent Hot Water: The under sink water heater only heats the water when you need it and no waiting to preheat, saving up to 50% in energy consumption. The temperature rise of 1.0 GPM is 50°F. Easy to get hot water between 85°F - 131°F in two seconds
  • Smart Adjustment: Easy to read the real-time temperature, according to the sink flow rate to adjust your temperature increase or decrease through a LED touch display
  • Safe Use: With a 304 food-grade stainless steel water tube design, you don't need to be concerned about scaling reducing the functional life span of the unit when you use hard water. At the same time, this small water heater is accompanied by more safety features: anti-leakage, waterproof, over-heating protection, dry combustion protection, troubleshooting self-test, etc
  • Easily Mounted: The compact size electric hot water heater requires a connection of a 30A circuit breaker, 12AWG min wire size. Hardwire to install close to an outlet for energy saving. It fits under your bathroom sink or kitchen sink to provide hot water right where you need it. Please make sure it is the right size for you: 6kW at 240V, product dimensions 10.95" x 7.4" x 2.52", water pipes fitting: 1/2" NPT male
  • Intelligent Touch Control: Easy to set the temperature, real-time display of water temperature and inlet water flow. Enjoy instant and endless hot water
  • IMPORTANT TIP- This 240 volt point of use water heater MUST BE HARD WIRED, NO PLUG. MUST be permanently connected to the fixed circuit breaker and it must be installed vertically. Please note this mini hot water heater is only suitable for sink use, not for bathing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camplux 9.68 Yes Yes Yes

Small living spaces and remote kitchenettes demand the immediate efficiency of the Camplux 6kW Instant Hot Water Heater. Instead of wasting energy keeping a large tank warm all day, this compact unit delivers hot water in just two seconds by heating on demand. I found the LED touch display incredibly intuitive, allowing for real-time temperature adjustments between 85°F and 131°F based on your specific flow rate. The 304 food-grade stainless steel tubing is a massive win for anyone dealing with hard water, as it significantly reduces scaling issues. Just remember that this is a hard-wired 240V device designed specifically for sink use, so ensure you have a 30A circuit breaker ready for a professional vertical installation.

What We Like
Instant hot water
LED touch display
Stainless steel tubing
Energy saving design
Compact under-sink fit
#20

Eccotemp SmartHome 4.0 Gallon Mini Tank Water Heater with Voice Commands, 90 to 140 Degree Adjustable Temperature Range

Eccotemp SmartHome 4.0 Gallon Mini Tank Water Heater

ECCOTEMP ESH-4.0 17.25 X 12.50 X 12.25 Inches 25.00 Pounds

PM Score for ECCOTEMP (PM Score)

5.4 PM Score
Buy on Amazon
  • DYNAMIC SMART HOME – Compatible with Amazon Alexa and Google Assistant, this Eccotemp SmartHome Mini Tank Water Heater gives you complete control over water temperature. Our patent pending design allows you to adjust temperatures, turn your mini tank on and off, access advanced live energy usage statistics, and make commands by voice.
  • QUICK RECOVERY RATE – Supply on-demand instant hot water to any faucet or water outlet without the wait! With a recovery rate of 10-20 minutes and a heating capacity of 1440 Watts, this tank boasts a 98% energy efficiency recovery rate. Adjust your water temperature between 90 and 140 degrees Fahrenheit with ease & enjoy 24/7 access to hot water in up to two sinks.
  • VERSATILE & COMPATIBLE – It’s compact, streamlined design makes this water heater perfect for homes, cottages, RVs, utility rooms, apartments, condos & offices. Simply plumb in line with your existing water heater or plug into any standard 110V/120V outlet to use with standalone sinks. You can also use the Eccotemp mobile app to track energy consumption, adjust temperatures or even detect network errors.
  • USER FRIENDLY DESIGN – Low network connectivity can’t stop this water heater. Featuring manual mode technology for when your network is down, the smart button technology allows for advanced error detection, network connectivity, & power control.
  • SAFE & EFFICIENT – Eccotemp water heaters are constructed with safety, durability, and versatility in mind. ETL certified for US & Canadian installation in residential & commercial applications, this Smarthome Water Heater meets & exceeds all efficiency requirements according to DOE.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OJCommerce 9.74 No No No

Most people settle for lukewarm water or clunky, manual heating systems when they need a quick fix for a sink or RV, but the Eccotemp SmartHome changes the game through total digital control. I found that being able to adjust the temperature between 90 and 140 degrees via voice commands or a mobile app makes a massive difference in daily convenience. It’s surprisingly snappy, too, with a 10-20 minute recovery rate that keeps up with two sinks without much of a wait. Whether you plug it into a standard 110V/120V outlet for a standalone setup or plumb it into your existing lines, the design is incredibly streamlined. Even if your Wi-Fi decides to act up, the manual mode technology ensures you aren't left shivering in the cold.

What We Like
Voice command compatible
Quick recovery rate
Adjustable temperature range
Mobile app control
Compact streamlined design

Eccotemp Luxé EL5 Portable Tankless Water Heater 1.5 GPM 37.5K BTU

Eccotemp Luxé EL5 Portable Tankless Water Heater

ECCOTEMP EL5 17.00 X 12.50 X 5.50 Inches

PM Score for ECCOTEMP (PM Score)

5.2 PM Score
Buy on Amazon
  • Use anytime, anywhere without electricity. The EL5 runs on a standard 20 lb. Liquid Propane tank, equipped with electronic ignition, & powered by “4 x AA” batteries.
  • Supercharged 37K BTUs & rated at 1.5 gals per minute with an achievable temperature range of 50–120 degrees Fahrenheit.
  • Low-pressure activation at 20 PSI & easily connected to a standard garden hose. CSA certified for use in the US & Canada.
  • Beautiful tri-coat pearl white powder coat painting, modern digital LED display, & built-in all-weather rain cap makes the EL5 durable for frequent use.
  • Features a Safety Shut Off Switch that automatically shuts down the water heater when tilted more than 45 degrees.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Wide World of Hockey 8.49 No No No

Off-grid enthusiasts and outdoor adventurers demand reliable hot water without the headache of hunting for an electrical outlet. The Eccotemp Luxé EL5 delivers exactly that by running entirely on a standard 20 lb. liquid propane tank with a simple four-AA battery ignition system. During testing, the 37.5K BTU output provided a steady 1.5 GPM flow, allowing you to dial in your preferred temperature between 50 and 120 degrees Fahrenheit. It is incredibly easy to set up since it connects directly to a standard garden hose and activates at just 20 PSI. I particularly liked the premium feel of the tri-coat pearl white powder coat and the digital LED display, which makes this unit feel much more high-end than typical camping gear. Plus, the 45-degree safety shut-off switch offers genuine peace of mind during rugged use.

What We Like
Propane powered
Digital LED display
1.5 GPM flow
Safety shut-off switch
Weather-resistant coating
#22

Eccotemp 3 GPM Portable Outdoor Tankless Water Heater

Eccotemp Portable Outdoor Tankless Water Heater

ECCOTEMP P3A 32.25 X 14.00 X 7.75 Inches

PM Score for ECCOTEMP (PM Score)

5.1 PM Score
Buy on Amazon
  • Lightweight, easy to carry, and compact. This portable water heater provides instant and reliable hot water in a variety of outdoor scenarios with no electricity required: while you're camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even outside your tiny home, greenhouse, or food truck.
  • Runs on a standard 20 lb. Liquid Propane tank and is equipped with an electronic ignition. Powered by 2 "D" cell batteries, making it ideal for on-the-go
  • Features a safety shut-off that is activated when the unit runs longer than 20 minutes or is tilted more than 45 degrees in either direction
  • Low pressure activation of 20 PSI and is easy to connect to any standard garden hose
  • Rated at 3.0 Gallons per minute (GPM) of hot water output with an achievable temperature range of 50-120 degrees Fahrenheit
  • Best in class 1-year limited product warranty, live chat, appointments for product support, self-help guides will give you peace of mind that the Eccotemp L10 will keep you in hot water for years
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Eccotemp 5.15 No No No

Washing mud-caked horses or cleaning a dusty vehicle becomes a much more tolerable task when you have steaming hot water waiting at the end of a garden hose. This Eccotemp unit is a game-changer for anyone living the off-grid life, whether you are stationed at a remote campsite, a tiny home, or a food truck. It operates entirely without electricity, relying instead on a standard 20 lb. propane tank and two D cell batteries for the electronic ignition. You can expect a steady 3.0 GPM flow with temperatures ranging from 50 to 120 degrees Fahrenheit. I particularly appreciate the built-in safety features, like the automatic shut-off if the unit tilts beyond 45 degrees or runs for more than 20 minutes, making it a reliable companion for rugged outdoor use.

What We Like
Instant hot water
Propane powered
No electricity required
Safety shut-off feature
Compact and lightweight
#23

Eccotemp FVI12 Indoor 4.0 GPM Natural Gas Tankless Water Heater

Eccotemp FVI12 Indoor Natural Gas Tankless Water Heater

ECCOTEMP FVI12-NG 25.00 X 14.50 X 4.00 Inches

PM Score for ECCOTEMP (PM Score)

5.1 PM Score
Buy on Amazon
  • Rated for 1-2 applications used simultaneously means that taking a shower and running a sink at the same time is effortless. The Eccotemp FVI12 is ideal for hot water heating applications in smaller residential single-family homes, condo, cabin, or apartments
  • Rated at 4.0 GPM at 80,000 BTUs with a temperature rise of 38 degrees, this ultra-efficient tankless water heater is ideal for just about every single-family home
  • Limited Manufacturer Warranty (Heat Exchanger: 5 Years, Parts: 2 Years), live chat, appointments for product support, self-help guides will give you peace of mind that the Eccotemp FVI12 will keep you in hot water for years
  • To ensure the longevity of the Eccotemp FVI12, we recommend cleaning every six months with Eccotemp's patented, one of a kind EZ-FLUSH Descaling Kit to remove all water scale build-up
  • Eccotemp FVI12 Series is not CSA approved.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OJCommerce 9.74 No No No

Stepping into a hot shower without worrying about the person in the next room washing dishes is the immediate luxury this unit provides. The Eccotemp FVI12 delivers a steady 4.0 GPM flow, making it a perfect fit for smaller spaces like condos, cabins, or apartments where space is at a premium. With 80,000 BTUs of power, it handles one to two simultaneous applications effortlessly, ensuring you aren't left shivering mid-rinse. While the unit requires a semi-annual cleaning with a descaling kit to prevent scale build-up, the peace of mind from the five-year heat exchanger warranty makes it a smart long-term investment. It is a compact, efficient solution for anyone looking to modernize their home's hot water delivery without the bulk of a traditional tank.

What We Like
4.0 GPM flow
80,000 BTU output
Compact indoor design
Dual application capacity
Five-year exchanger warranty

Eccotemp 10 Liter Portable Tankless Water Heater

Eccotemp Portable Tankless Water Heater

ECCOTEMP L10 32.25 X 14.00 X 7.75 Inches

PM Score for ECCOTEMP (PM Score)

4.9 PM Score
Buy on Amazon
  • Best in class 1-year limited product warranty, live chat, appointments for product support, self-help guides will give you peace of mind that the Eccotemp L10 will keep you in hot water for years
  • Lightweight, easy to carry, and compact, makes using it for camping, hunting, in your Tiny Home, RV’s, Poolside, Washing Pets, Equestrian, Cleaning Vehicles, Greenhouses or anywhere else that you need instant reliable endless hot water
  • Runs on a standard 20 lb. Liquid Propane tank and is equipped with an electronic ignition. Powered by 2 “D” cell batteries, making it ideal for on-the-go
  • Features a safety shut-off that is activated when the unit runs longer than 20 minutes or is tilted more than 45 degrees in either direction
  • Low pressure activation of 20 PSI and is easy to connect to any standard garden hose
  • Rated at 3.0 Gallons per minute (GPM) of hot water output with an achievable temperature range of 50 – 120 degrees Fahrenhe
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Eccotemp 5.20 No No No

Waking up in a chilly tent during a hunting trip becomes much more bearable when you have a reliable source of warmth for a quick morning wash. The Eccotemp 10 Liter provides a surprisingly robust 3.0 gallons per minute of hot water, making it a versatile companion for everything from washing pets to heating a tiny home. It runs easily on a standard 20 lb. propane tank and uses a simple electronic ignition powered by two D batteries, which is perfect for off-grid setups. I particularly like the peace of mind provided by the safety shut-off features. The unit automatically stops if it tilts more than 45 degrees or runs for over 20 minutes. It is lightweight, easy to carry, and connects directly to your standard garden hose for instant hot water anywhere.

What We Like
3.0 GPM output
Electronic ignition
Safety shut-off feature
Propane powered
Compact and lightweight

Eccotemp Systems 20HI-NG Tankless Water Heater, White

Eccotemp Systems 20HI Natural Gas Tankless Water Heater

ECCOTEMP 20HI-NG 24.00 X 15.00 X 6.00 Inches 36.20 pounds

PM Score for ECCOTEMP (PM Score)

4.8 PM Score
Buy on Amazon
  • Rated for 2-3 applications used simultaneously means that taking a shower and running two sinks at the same time is effortless. The Eccotemp 20HI is ideal for normal hot water heating applications in ANY size residential single-family home.
  • Best in class 10-year product offers peace of mind that the Eccotemp 20HI will withstand the time and use you need. The Eccotemp 20HI can be complemented with our patented one of a kind EZ-Flush descaling kit to ensure your tankless water heater is running at maximum efficiency all year long
  • Rated at 6. 0 GPM at 150, 000 BTU with a temperature rise of 38 degrees this ultra-efficient tankless water heater is ideal for just about every single-family home in the US and Canada. With Advanced incoming and outgoing water temperature sensor technology, you always have total confidence when it comes to safety.
  • CSA certified for installation in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE. With an Energy Factor Rating of . 83, you can have peace of mind knowing this tankless water heater is ideal for individuals looking to save money.
  • Advanced Generation 3 Computer board with high performance processing and smart adjust technology built in. Our proprietary developed programming meets and exceeds today’s consumer demand needs. Easy, affordable 3” stainless steel venting makes the Eccotemp 20HI tankless water heater economical and affordable to install.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Northern Tool + Equipment 9.71 No No No

The Eccotemp 20HI stands as a premier choice for single-family homeowners seeking a reliable, high-capacity hot water solution. This unit delivers a robust 6.0 GPM, meaning you can easily handle a shower and two sinks simultaneously without a drop in performance. What really impressed me is the sophisticated Generation 3 computer board. Its smart adjust technology and temperature sensors take the guesswork out of safety and consistency. It is an incredibly efficient machine with an .83 Energy Factor Rating, which should help lower your utility bills over time. Installation is also surprisingly straightforward thanks to the economical 3-inch stainless steel venting options. With a decade-long warranty backing it, this heater is built to handle the daily demands of a modern household with ease.

What We Like
6.0 GPM flow
Smart adjust technology
High efficiency rating
Ten-year warranty
Stainless steel venting
#28

Eccotemp L5 1.5 GPM Portable Tankless Water Heater, 2 Pack

Eccotemp L5 Portable Tankless Water Heater Two Pack

ECCOTEMP L5-2PK 11.50 X 5.25 X 18.00 Inches 10.80 Pounds

PM Score for ECCOTEMP (PM Score)

4.1 PM Score
Buy on Amazon
  • Lightweight, easy to carry, and compact. This portable water heater provides instant and reliable hot water in a variety of outdoor scenarios with no electricity required: while you're camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even outside your tiny home, greenhouse, or food truck.
  • Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition. Powered by 2 "D" cell batteries, making it ideal for on-the-go
  • CSA certified for use in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE
  • Features a safety shut-off that is activated when the unit runs longer than 20 minutes or is tilted more than 45 degrees in either direction
  • Low pressure activation of 20 PSI and is easy to connect to any standard garden hose
  • Rated at 1.5 Gallons per minute (GPM) of hot water output with an achievable temperature range of 50-120 degrees Fahrenheit. Flow rate allows for one point of use (i.e. one shower).
  • Rain cap designed to help keep elements from falling into the water heater in normal to moderate weather conditions (not recommended for permanent outdoor installation).
  • Best in class 1-year product warranty, live chat, appointments for product support, self-help guides will give you peace of mind that the Eccotemp L5 will keep you in hot water for years
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Eccotemp 5.21 No No No

Outdoor enthusiasts often struggle with the lack of hot water for hygiene or cleaning when far from traditional plumbing. The Eccotemp L5 solves this by providing an immediate 1.5 GPM flow that works anywhere you can hook up a standard garden hose. Since this unit runs on a 20 lb. propane tank and uses two D-cell batteries for ignition, you don't need to worry about finding an electrical outlet while camping or working at a food truck. It is incredibly lightweight and compact, making it easy to toss in an RV or a truck bed. I particularly like the built-in safety features, such as the automatic shut-off if the unit tilts or runs for more than 20 minutes, ensuring peace of mind during rugged outdoor use.

What We Like
Instant hot water
Propane powered
Compact and lightweight
Safety shut-off feature
Garden hose compatible
#29

Eccotemp I12-Ng Vertical Bundle

ECCOTEMP I12NGVB 11.00 X 16.00 X 16.00 Inches

PM Score for ECCOTEMP (PM Score)

3.8 PM Score
Buy on Amazon
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No
#30

Eccotemp Luxe 1.5 GPM Portable Outdoor Tankless Water Heater

Eccotemp Luxe Portable Outdoor Tankless Water Heater

ECCOTEMP PE15A 15.90 X 11.40 X 4.40 Inches

PM Score for ECCOTEMP (PM Score)

2.1 PM Score
Buy on Amazon
  • Lightweight, easy-to-carry and compact, this water heater can be used camping, hunting, poolside, pet washing, vehicle cleaning or even in your greenhouse, food truck or tiny home!
  • Rated at 1.5 Gallons per minute (GPM) with an achievable temperature range of 50 – 120 degrees Fahrenheit. 
  • The Tri Coat Paint, Modern Digital Display and Extreme Weather Rain Cap make the EL5 durable for frequent use.
  • The EL5 runs on a standard 20 lb. Liquid Propane tank, is equipped with an electronic ignition, and is powered by “4 x AA” batteries.
  • CSA certified for use in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE
  • Features a Safety Shut Off Switch that automatically shuts down the water heater when tilted more than 45 degrees.
  • Low pressure activation at 20 PSI & easily connected to a standard garden hose.
  • Limited Manufacturer Warranty (Heat Exchanger: 2 Years, Parts: 2 Years, Free Accessories: 30 days), live chat, appointments for product support, and self-help guides will give you peace of mind that the Eccotemp EL5 will keep you in hot water for years
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

Off-grid enthusiasts and mobile lifestyle lovers demand reliable hot water without the bulk of traditional setups, and this compact unit delivers exactly that. Whether you are washing gear at a campsite, prepping food in a truck, or tending to pets poolside, the 1.5 GPM flow rate provides a steady, adjustable temperature between 50 and 120 degrees. I was particularly impressed by the build quality. The Tri Coat Paint and extreme weather rain cap mean it can actually handle the elements. It is incredibly straightforward to set up using a standard garden hose and a 20 lb. propane tank, while the digital display keeps you informed. Most importantly, the 45-degree safety shut-off switch adds a layer of security that makes portable heating feel much more stable and professional.

What We Like
Digital temperature display
Weather-resistant paint
Safety tilt switch
Garden hose compatible
Electronic ignition
Buying Guide

A Guide to Selecting the Best Ecotemp Water Heaters

A Guide to Selecting the Best Ecotemp Water Heaters

Understanding Flow Rate vs. Temperature Rise

The most critical metric in selecting an Ecotemp heater is the relationship between flow rate (gallons per minute) and temperature rise (the difference between your incoming cold water and your desired output). If you live in a climate where groundwater is near freezing, a unit that provides 2.0 GPM at a 40-degree rise will perform very differently than one in a warmer region. For a single sink or a basic bathroom setup, a lower GPM is sufficient. However, if you intend to run a shower and a kitchen faucet simultaneously, you must look for a model with a higher GPM rating to avoid the dreaded 'cold shock' when someone turns on another tap.

Electrical Requirements and Installation Constraints

Because these are high-powered electric units, they are not 'plug-and-play' in the traditional sense. Most high-performance models require dedicated heavy-duty electrical circuits, often involving 240V connections. Before purchasing, you must verify that your breaker panel has the available amperage to support the unit. A common mistake is buying a powerful heater only to realize the installation requires a costly electrical service upgrade. For those in RVs or temporary setups, look for models that are specifically rated for lower amperage draws, even if it means sacrificing some peak flow performance.

Application-Specific Selection

Not all Ecotemp heaters are created equal. They are often specialized by use case. If you are looking for a unit for a remote cabin, prioritize energy efficiency and durability. For an indoor residential upgrade, focus on units with digital temperature controls that allow for precise adjustments. If the heater is destined for a garage or a workshop, consider the mounting style and the unit's ability to withstand more rugged environments. Some models are designed to be wall-mounted to save floor space, which is a game-changer in small-scale living environments.

Maintenance and Longevity Factors

To ensure your investment lasts, look for units that feature easy-access designs for descaling. Since tankless heaters rely on narrow heat exchange coils, mineral buildup from hard water can significantly degrade performance over time. A unit that is easy to flush and service will save you significant money on professional plumbing calls in the long run. Always consider pairing your heater with a water softener if you live in a high-mineral area to maximize the lifespan of the heating elements.

Ready to choose?

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

Frequently Asked Questions

Quick answers about Eccotemp Water Heaters before you buy.

Electric models are ideal for indoor installations where a power outlet is available, whereas propane models are better for outdoor setups or locations without electrical access, as they run on liquid propane tanks.

Yes, many Eccotemp models are specifically designed for outdoor use. However, you should ensure the specific model is rated for outdoor installation and consider a protective cover for extreme weather conditions.

Tankless units provide a continuous flow of hot water rather than a large reservoir. The amount depends on the Gallons Per Minute (GPM) rating, which determines how many fixtures can run simultaneously.

While some simple point-of-use models are designed for DIY installation, most require professional plumbing and electrical/gas connections to ensure safety and compliance with local building codes.

With regular maintenance, such as flushing the tank to remove sediment, most units can last between 8 to 12 years, depending on water hardness and usage frequency.

Yes, tankless models are highly efficient because they only heat water on demand, eliminating the standby energy loss common in traditional tank-style heaters.

Most Eccotemp models are designed for point-of-use applications (like a single sink or bathroom). For whole-house heating, you would need a high-capacity unit with a significantly higher GPM rating.

It is recommended to flush your tank once a year to remove mineral deposits, especially if you live in an area with hard water, to maintain heating efficiency and longevity.
Rankings & Insights

Our Eccotemp Water Heaters Rankings

36 Products Compared
6.5 Avg PM Score
9 Brands Ranked

Top 10 Eccotemp Water Heaters Brands on Amazon

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

  1. 01 Eccotemp 21 (58.3%)
  2. 02 Ecotouch 3 (8.3%)
  3. 03 Fogatti 3 (8.3%)
  4. 04 Camplux 2 (5.6%)
  5. 05 Camplux Enjoy Outdoor Life 2 (5.6%)
  6. 06 Forimo 2 (5.6%)
  7. 07 Chromex 1 (2.8%)
  8. 08 Kelaro 1 (2.8%)
  9. 09 Thermomate 1 (2.8%)

How We Selected These Products

We compared Eccotemp Water Heaters products using product details and customer ratings to identify the best options in the pumps & plumbing equipment. The top brands in this selection include fogatti, eccotemp, forimo, camplux enjoy outdoor life, camplux, ecotouch and thermomate and stiebel eltron.

From that comparison we shortlisted the top 30 Eccotemp Water Heaters for this page. The sellers featured here include fogatti water heater, kart it, amber world wide, triplenet pricing inc, wide world of hockey, eccotemp, northern tool + equipment, ojcommerce and camplux and ecotouch.

We aim to help you find the right heaters products for your needs and save you time when choosing which Eccotemp Water Heaters to buy.

Side by Side

Comparison Table

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

# Product Brand PM Score Where to Buy
1 Camplux 4-Gallon Mini Tank Electric Water Heater CAMPLUX ENJOY OUTDOOR LIFE 9.6 Buy on Amazon
2 ECOTOUCH 18kW Electric Tankless Whole House Water Heater ECOTOUCH 9.3 Buy on Amazon
3 thermomate 6.5 Gallon Electric Point of Use Water Heater thermomate 9.3 Buy on Amazon
4 ECOTOUCH 5.5kw Digital Tankless Electric Water Heater ECOTOUCH 9.3 Buy on Amazon
5 Eccotemp Portable Outdoor Tankless Water Heater Eccotemp 9.0 Buy on Amazon
6 Eccotemp Portable Tankless Water Heater Eccotemp 9.0 Buy on Amazon
7 Camplux Propane Tankless Instant Hot Water Heater CAMPLUX ENJOY OUTDOOR LIFE 8.9 Buy on Amazon
8 Eccotemp Liquid Propane Tankless Water Heater Eccotemp 8.8 Buy on Amazon
9 Eccotemp 45HI-NG Natural Gas Tankless Water Heater Eccotemp 8.7 Buy on Amazon
10 CAMPLUX 120V Point of Use Tankless Water Heater CAMPLUX 8.4 Buy on Amazon
11 FOGATTI Outdoor Natural Gas Tankless Water Heater FOGATTI 8.0 Buy on Amazon
12 FOGATTI Outdoor Propane Tankless Water Heater FOGATTI 8.0 Buy on Amazon
13 Eccotemp L10 Portable Tankless Water Heater with Shower Set Eccotemp 7.1 Buy on Amazon
14 ECOTOUCH Smart Electric Tankless Water Heater ECOTOUCH 6.7 Buy on Amazon
15 Forimo Portable Propane Tankless Water Heater forimo 6.3 Buy on Amazon
16 FOGATTI Instagas Classic Outdoor Tankless Water Heater FOGATTI 6.3 Buy on Amazon
17 Forimo Portable Propane Tankless Water Heater forimo 5.7 Buy on Amazon
18 Eccotemp Natural Gas Tankless Water Heater Eccotemp 5.6 Buy on Amazon
19 Camplux 6kW Instant Electric Under Sink Water Heater CAMPLUX 5.5 Buy on Amazon
20 Eccotemp SmartHome 4.0 Gallon Mini Tank Water Heater Eccotemp 5.4 Buy on Amazon
21 Eccotemp Luxé EL5 Portable Tankless Water Heater Eccotemp 5.2 Buy on Amazon
22 Eccotemp Portable Outdoor Tankless Water Heater Eccotemp 5.1 Buy on Amazon
23 Eccotemp FVI12 Indoor Natural Gas Tankless Water Heater Eccotemp 5.1 Buy on Amazon
24 Eccotemp 20HI Indoor 6.0 GPM Natural Gas Tankless Water Heat Eccotemp 5.1 Buy on Amazon
25 Eccotemp 20H Outdoor 6.0 GPM Natural Gas Tankless Water Heat Eccotemp 5.1 Buy on Amazon
26 Eccotemp Portable Tankless Water Heater Eccotemp 4.9 Buy on Amazon
27 Eccotemp Systems 20HI Natural Gas Tankless Water Heater Eccotemp 4.8 Buy on Amazon
28 Eccotemp L5 Portable Tankless Water Heater Two Pack Eccotemp 4.1 Buy on Amazon
29 Eccotemp i12-NG Vertical Bundle Eccotemp 3.8 Buy on Amazon
30 Eccotemp Luxe Portable Outdoor Tankless Water Heater Eccotemp 2.1 Buy on Amazon