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Tools & Home Improvement

High Efficiency Water Heater

10 Best High Efficiency Water Heater 2024 in the US

Sponsored

Airthereal

AIRTHEREAL

Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series

Winner

InSinkErat

InSinkErator

InSinkErator H-HOT150SN-SS Instant Hot Water Dispenser System with Stainless Steel Tank, Satin Nickel

10.0

score

Sponsored

Airthereal

AIRTHEREAL

Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series

BOSCH Elec

Bosch

BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

9.7

score

NEW Rinnai

Rinnai

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

8.8

score

GE Applian

GE

GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Want It, 120 Volt

8.2

score

Rheem RTGH

Rheem

Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM with WiFi

7.9

score

Rheem 18kW

Rheem

Rheem 18kW 240V Tankless Electric Water Heater, Gray

7.6

score

NEW Rinnai

Rinnai

NEW Rinnai RXP199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

7.3

score

Stiebel El

Stiebel Eltron

Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White, 23

7.3

score

Ranein Nat

Ranein

Ranein Natural Gas Tankless Water Heater, Outdoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater

7.0

score

3000W Elec

JHiveGym

3000W Electric Tankless Water Heater,Instant Hot Water Heater On Demand Water Heater Under Sink With Remote Control,110V Digital Display On Demand Hot Water Heater

7.0

score

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