Top 10 Best Water Heaters

Sale# 1
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt
468 Reviews
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected]
  • 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
  • Amperage Draw 29 amp. kW - 3.5 kW
  • Connection Fittings 1/2" NPT
# 2
Rinnai RL75IN, Large, Natural Gas
444 Reviews
Rinnai RL75IN, Large, Natural Gas
  • 10,300 - 180,000 BTU
  • Comes standard with MC-91-1US Digital Controller with Error Code Indicator
  • 82% Thermal Efficiency
  • Residential Temperature Settings: 98°F - 140°F
  • Commercial Temperature Settings: 98°F - 160°F (commercial controller must be purchased separately)
Sale# 3
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology
310 Reviews
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Heating elements are durable and are threaded for easy replacement
  • Activation Flow - 0.3 GPM
# 4
Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White
346 Reviews
Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White
  • Provide endless hot water on demand and only as needed
  • Save up to 60% on electricity bills for water heating
  • Compact design saves space and is easy to install almost anywhere
  • No electrical connection is required so it's perfect alternative for those homes experiencing frequent power outages
  • Unlimited hot water whenever is needed
  • 5-year
  • Allows water temperature to be controlled
  • Rustproof, no water loss due to leaks
  • Works easily with low levels of water pressure
Sale# 5
Eccotemp i12-LP water heater, 4 GPM, Black
395 Reviews
Eccotemp i12-LP water heater, 4 GPM, Black
  • Whole home indoor, gas powered tankless water heater, rated at 4 GPM that activates only on demand and no pilot light needed, reducing energy consumption
  • Sleek, modern design with black tempered glass front panel featuring an easy to use LED display controls
  • Features fully automatic temperature controls with an energy saving mode and child lock technology
  • Safe electronic ignition system; Plugs into standard 110v electrical outlet with UL-listed cord
  • Uses standard 1/2" NPT water fittings and comes with horizontal venting allowing for a convenient and quick installation
# 6
Rinnai RL94EN RRL94eN, Large, RL94eN-Natural Gas/9.4 GPM
155 Reviews
Rinnai RL94EN RRL94eN, Large, RL94eN-Natural Gas/9.4 GPM
  • Endless hot water for your entire home
  • RL94eN HE+ High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only
  • Up to 9.4 GPM hot water flow rate (varies by groundwater temp)
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
Sale# 7
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
2,182 Reviews
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design
  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
Sale# 8
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
433 Reviews
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Most advanced self-modulation, adjust power to meet hot water demand
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Simple installation – bottom 3/4 inch NPT water connections
  • Threaded for easy replacement, simple installation, digital temperature display
Sale# 9
Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White
2,892 Reviews
Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Copper and stainless components
  • Lifetime warranty for residential use
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space.
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • 75 A
# 10
Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small
80 Reviews
Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small
  • 🚿【TIPS】Please notice that the 18KW tankless water heater requires 2 x 40 AMP breakers and 2 x 8 AWG wire, the Min. Water Flow is 0.4GPM/1.5L/min. The 24KW tankless water heater requires 3 x 40 AMP breakers and 3 x 8 AWG wire, and the Min. Water Flow is 0.66GPM/2.5L/min.
  • 🚿【Save Money Save Cost】No need to preheat before using instant tankless water heater. After using our Rinkmo high efficient water heater, you will find your water Heating Costs Reduce Up to 60%, due to our heater is 99.8% Energy Efficient, you can get hot water within 3s; Create heat without direct contact with metals,No mineral buildup so you don't need to maintenance or fix it and replace the heater coils, No expensive maintenanc cost in the future.
  • 🚿【Stable Water Temp for Whole House 】Our smart modulating technology and formula to calculate the difference between the desired temp and current temp, adjusts power input based on flow rate and temp setting in real time by our temp sensors and flow sensors. No sudden temp changes.
  • 🚿【Stable Water Temp for Whole House】Our smart modulating technology and formula to calculate the difference between the desired temp and current temp, adjusts power input based on flow rate and temp setting in real time by our temp sensors and flow sensors. No sudden temp changes.
  • 🚿【Compact Size Save Space】Rinkmo water heater only like a small suitcase, save your space and giving more to your living area. Easy to install and operation, set temp by turning the button, press the button to switch between Fahrenheit/ Celsius.

Buying guide
When it comes to selecting the right Water Heaters, you definitely want to research:

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What is the average price of a good Water Heaters?

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We analyze thousands of user reviews and products to generate usability score for each brand. This usability score considers product benefits, price and customer feedbacks to provide you with a unbiased list of Top 10 Best Water Heaters to buy.

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