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Top 12 Best High Efficiency Water Heaters 2022

Last update on 2022-04-23 / Affiliate links / Images from Amazon Product Advertising API

1. Rinnai Ru199in Natural Gas Condensing Tankless Hot Water Heater, 11 GPM

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  • residential factory warranty-120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • hot water flow of up to 11 gpm (varies depending on the groundwater temperature)
  • the circulation logic technology allows you to set a recirculation mode that matches your typical habits.you can provide hot water when you need it!

high efficiency water heaters Rinnai RU199iN Natural Gas Condensing Tankless Hot Water Heater, 11 GPM

2. HTP PH76-80 Phoenix Light Duty High-Efficiency Stainless Steel Gas-Fired Water Heater

  • up to 97% thermal efficiency
  • pvc, cpvc, stainless steel, ulc s636 in the vent
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  • adjust the burner, the adjustment ratio is as high as 3:1
  • spark ignition with flame monitoring
  • flame stability monitoring

high efficiency water heaters HTP PH76-80 Phoenix Light Duty High-Efficiency Stainless Steel Gas-Fired Water Heater

3. Camplux Tankless Water Heater Natural Gas,High Efficiency Natural Gas Tankless Water Heater With Fahrenheit Digital Display, 3.18 GPM On Demand Water Heater For 2-3 Persons Bathroom Indoor Use,White

  • outstanding features-camplux tankless gas water heater is equipped with oxygen-free copper heat exchanger and v-shaped stainless steel burner, heating efficiency is as high as 89.98%; 90° wind isolation design, this tankless gas water heater can be installed on high floors anti-backflow wind, s / s 2.36″ ventilation pipe quickly discharges harmful gases.
  • modern design, simple operation-stylish and modern design , unique white glass front panel, easy to control water temperature through led touch screen (fahrenheit and celsius switch is optional). compact on-demand water heater saves more space compared with traditional tank.
  • six-in-one protection to ensure your safety-dry burning, flameout device, antifreeze protection, overheating protection, to ensure your safety. fully automatic temperature control with energy saving mode and child lock technology.
  • convenient and easy to install-tankless water heaters use standard 1/2″ bsp water pipe joints and air inlets. the water heater is equipped with 1/2″ bsp female to 1/2″ npt male gas connector adapter and then you want to hook this water heater directly to the natural gas pipeline. it also comes with a 2.3″ horizontal ventilation pipe to ensure efficient power ventilation. you can use camplux customized wall thimble-wt236 for perfect indoor use.
  • 3.18 gpm instant constant water heater-camplux 3.18 gpm tankless water heater natural gas provides 3.18 gallons of on-demand endless hot water per minute, ensuring constant and comfortable instant hot water for the entire house for 2-3 people. 3.18-gpm heater is activated by water flow instead of water pressure; minimum activated water capacity rate: 0.65 gpm-4.8 gpm; maximum input rating: 82,000 btus; water connection location/size: bottom/0.5 inch npt.
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high efficiency water heaters Camplux Tankless Water Heater Natural Gas,High Efficiency Natural Gas Tankless Water Heater with Fahrenheit Digital Display, 3.18 GPM On Demand Water Heater for 2-3 Persons Bathroom Indoor Use,White

4. Takagi T-H3S-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 8-Gallon Per Minute

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  • meet the ultra-low nitrogen oxide emissions of the 2012 scaqmd rule 1146.2
  • size: 22.5″hx 17.75″wx 10.75″d
  • unlimited hot water, on-demand use, compact, savingspace, energy saving
  • computer security function, no need to worry about the indicator light

high efficiency water heaters Takagi T-H3S-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 8-Gallon Per Minute

5. A.O. Smith GPVL-50 Promax Power Vent Gas Water Heater, 50 Gal

  • unique 3-position rotatable air outlet, increasing flexibility
  • 2-inch thick environmentally friendly foam insulation reduces heat loss and contributes to overall energy efficiency
  • dynaclean ii the dip tube optimizes the water inlet pressure to minimize the cold water area in the water tank
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  • the most advanced electronic gas control provides more precise temperature control; led control lights display operating status information
  • the hot surface igniter is more robust and reliable than the standing igniter and reduces energy consumption

high efficiency water heaters A.O. Smith GPVL-50 ProMax Power Vent Gas Water Heater, 50 gal

6. Rinnai Rur160en Natural Gas Condensing Tankless Hot Water Heater, 9 GPM

  • energy-saving and space-saving: the space-saving design saves energy because it only heats when necessary
  • instant heating: thermcirc360 technology provides faster with built-in circulation pump, timer and thermal bypasshot water valve-ideal for homes without a dedicated return line
  • optimum water pressure: up to 9 gpm hot water flow rate can provide strong, constant water flow
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  • guaranteed continuity: 15 years, 5 years and 1 year residences for heat exchangers, labor and parts.wireless monitoring.

high efficiency water heaters Rinnai RUR160eN Natural Gas Condensing Tankless Hot Water Heater, 9 GPM

7. AO Smith BTR-200 Tank Type Water Heater With Commercial Natural Gas

  • vent size: 6
  • meet or exceed thermal efficiency and/or standby loss requirements
  • electronic ignition
  • csa certified and asme rated tandp pressure relief valve
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  • handhole cleaning

high efficiency water heaters AO Smith BTR-200 Tank Type Water Heater with Commercial Natural Gas

8. A.O. Smith XCRL-40 Promax Short Gas Water Heater, 40 Gal

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  • electronic gas control includes led status indicators to monitor system operationand service diagnosis
  • the internal microprocessor provides enhanced operating parameters and stricter differences to achieve precise sensing and faster heating response
  • use thermopile to generate the required electric power without external power supply to operate electronic gas control
  • the button piezoelectric igniter passes a singlehand button spark ignition to ignite the pilot quickly and easily
  • the dynaclean diffuser dip tube helps to reduce the accumulation of lime and sediments and maximize the hot water output; made of durable pex cross-linked polymer

high efficiency water heaters A.O. Smith XCRL-40 ProMax Short Gas Water Heater, 40 gal

9. BRADFORD WHITE D4504S6FSX 50 GALLON RESIDENTIAL DAMPER ATMOSPHERIC VENT HIGH EFFICIENCY LP HOT WATER HEATER 115/60/1

  • gas pressure manifold: 10.0 / working pressure: 150 psi
  • volt: 115 /phase: 1 / recovery: 42 / vent size: 3″ or 4″
  • gas connection: 1/2″ / water connection: 3/4″mpt
  • made in the usa
  • dim: 64-3/4 “hx 22” diameter
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high efficiency water heaters BRADFORD WHITE D4504S6FSX 50 GALLON RESIDENTIAL DAMPER ATMOSPHERIC VENT HIGH EFFICIENCY LP HOT WATER HEATER 115/60/1

10. Westinghouse WGRGHNG150 8.2 GPM High Efficiency Natural Gas Tankless Water Heater With Built-In Recirculation And Pump

  • built-in building circulation pump
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  • use 316l stainless steel heat exchanger, which can resist corrosion and has a longer service life than traditional heat exchanger. heat exchanger
  • wall-mounted installation, saving space

high efficiency water heaters Westinghouse WGRGHNG150 8.2 GPM High Efficiency Natural Gas Tankless Water Heater with Built-in Recirculation and Pump

11. AMERICAN WATER HEATER GIDDS-479415 American Polaris High-Efficiency Natural Gas Water Heater, 34 Gallons, 100,000 Btu, Side T & P Relief Valve

  • 34 gallon capacity, 10 years fuel tank, 1 year parts warranty
  • natural gas water heater.the final high-efficiency, high-quality structure
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  • advanced 444 stainless steel water tank with brass connection

high efficiency water heaters AMERICAN WATER HEATER GIDDS-479415 American Polaris High-Efficiency Natural Gas Water Heater, 34 gallons, 100,000 Btu, Side T & P Relief Valve

12. 18L/4.8Gallon Tankless Water Heater 4.8GPM High Efficient LPG Propane Gas Hot Water Heater Instant Boiler Bathroom Shower SHIPPING FROM US

  • 【over-water pressure protection function】automatically reduce pressure under high water pressure.
  • [antifreeze protection function] the antifreeze device can drain water to avoid freezing and damaging the machine itself in cold areas or when it is not used for a long time.ignition: powered by two “d” batteries (not including batteries)
  • [low water pressure start] the water control linkage valve enables the water heater to start under low water pressure, and the water flow under high pressure is stable, meeting water shortage areasand the demand for living with high stairs.
  • 【high efficiency and energy saving】the heat exchanger and main burner adopt the most advanced energy-saving combustion technology to reduce gas consumption and combustion noise.
  • [ion flame detection] automatically turn off the gas power when the flame is accidentally turned off.controller design: both cold water and warm water can be properly controlled.
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    by entering your model number.

high efficiency water heaters 18L/4.8Gallon Tankless Water Heater 4.8GPM High Efficient LPG Propane Gas Hot Water Heater Instant Boiler Bathroom Shower SHIPPING FROM US