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10 Best water heaters of 2026
Save up to 13% off
Best Choice1
Stiebel Eltron9.9Exceptional
Stiebel Eltron Tankless Water Heater – Tempra 29 Plus – Electric, 28.8kW, On Demand Hot Water, Eco, White, Made in Germany
13% Off-
Type:Tankless Water Heater
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Breakers Required:3 separate dedicated 40 amp breakers
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Power:28.8kW at 240V / 21.6kW at 208V
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Weight:19.0 pounds
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Voltage:240 or 208 volts
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Value for Money2
Rheem9.7Exceptional
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
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Type:N/A
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Breakers Required:3 x 40 AMP Double Pole
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Power:24kW
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Weight:17.8 Pounds
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Voltage:240V
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3
Rheem9.6Exceptional
Rheem 18kW 240V Tankless Electric Water Heater, Gray
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Type:N/A
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Breakers Required:N/A
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Power:18kW
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Weight:14.78 Pounds
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Voltage:240V
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4
Bosch9.5Excellent
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
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5
Rheem9.4Excellent
Rheem 11kW 240V Tankless Electric Water Heater
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See Today’s Deals & Prices
6
GE9.3Excellent
GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Want It, 120 Volt
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7
Bosch9.1Excellent
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
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8
Rheem8.9Very Good
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
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9
thermomate8.8Very Good
ThermoMate Tank Water Heater Electric, 18 Gallon Small Point of Use Residential Hot Water Heater for Washing & Shower, 120Volt 1500W Compact, Adjustable Thermostat, UL Listed
10% Off
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10
FOGATTI8.7Very Good
FOGATTI RV Tankless Water Heater InstaShower 7, 3 Optional Door Sizes 15"x15", 15"x18" & 18"x18" for Refitment, 12V DC, Optimized Summer Comfort Performance, Ideal for RVers' Family Use, Gen 3
11% Off Limited Time Deal-
heat output:48000 British Thermal Units
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is electric:No
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maximum flow rate:2.5 Gallons Per Minute
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efficiency:84%
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product dimensions:15"W x 15"H
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