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  • ENERGY STAR Certified
    Water Heaters

    Water heaters that earn the ENERGY STAR come with gas, solar or electric heat pump technology. They heat your water just like standard models but with much less energy, saving you up to $3500 over a unit’s lifetime.
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Learn what to look for when buying and installing an ENERGY STAR certified water heater.

See buying guidance for:

show installers ➔

The installers listed below meet the vetting process of utility-sponsored energy-efficient heat pump water heater programs in their area or that of the product brand owner they are affiliated with. The ENERGY STAR Program is not responsible for the quality of services provided and encourages consumers to ensure their installer is properly certified and licensed.
These links will take you to web sites external to the energystar.gov domain.
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compare 2-4 products
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Gas Tankless - Natural Gas
Uniform Energy Factor (UEF):
0.95
Storage Volume (gallons):
N/A
Maximum Gallons Per Minute over 67°F rise:
4.7
Gas Tankless - Natural Gas
Uniform Energy Factor (UEF):
0.93
Storage Volume (gallons):
N/A
Maximum Gallons Per Minute over 67°F rise:
5.8
Gas Storage - Natural Gas
Uniform Energy Factor (UEF):
0.67
Storage Volume (gallons):
38.0
First Hour Rating at 125°F outlet temp (gallons/hr):
73
Gas Storage - Natural Gas
Uniform Energy Factor (UEF):
0.69
Storage Volume (gallons):
49.0
First Hour Rating at 125°F outlet temp (gallons/hr):
78
Gas Storage - Natural Gas
Uniform Energy Factor (UEF):
0.65
Storage Volume (gallons):
48.0
First Hour Rating at 125°F outlet temp (gallons/hr):
71
Gas Storage - Natural Gas
Uniform Energy Factor (UEF):
0.65
Storage Volume (gallons):
48.0
First Hour Rating at 125°F outlet temp (gallons/hr):
71
Gas Tankless - Propane
Uniform Energy Factor (UEF):
0.95
Storage Volume (gallons):
N/A
Maximum Gallons Per Minute over 67°F rise:
4.7
Gas Tankless - Propane
Uniform Energy Factor (UEF):
0.95
Storage Volume (gallons):
N/A
Maximum Gallons Per Minute over 67°F rise:
4.7
Hybrid/Electric Heat Pump - Electric
Uniform Energy Factor (UEF):
3.45
Storage Volume (gallons):
46.0
First Hour Rating at 125°F outlet temp (gallons/hr):
66
Gas Tankless - Natural Gas
Uniform Energy Factor (UEF):
0.95
Storage Volume (gallons):
N/A
Maximum Gallons Per Minute over 67°F rise:
5.8
Gas Tankless - Natural Gas
Uniform Energy Factor (UEF):
0.95
Storage Volume (gallons):
N/A
Maximum Gallons Per Minute over 67°F rise:
5.8
Gas Tankless - Natural Gas
Uniform Energy Factor (UEF):
0.95
Storage Volume (gallons):
N/A
Maximum Gallons Per Minute over 67°F rise:
5.8
Hybrid/Electric Heat Pump - Electric
Uniform Energy Factor (UEF):
3.45
Storage Volume (gallons):
46.0
First Hour Rating at 125°F outlet temp (gallons/hr):
66
Hybrid/Electric Heat Pump - Electric
Uniform Energy Factor (UEF):
3.45
Storage Volume (gallons):
67.0
First Hour Rating at 125°F outlet temp (gallons/hr):
79
Hybrid/Electric Heat Pump - Electric
Uniform Energy Factor (UEF):
3.45
Storage Volume (gallons):
82.0
First Hour Rating at 125°F outlet temp (gallons/hr):
86
Gas Storage - Propane
Uniform Energy Factor (UEF):
0.7
Storage Volume (gallons):
38.0
First Hour Rating at 125°F outlet temp (gallons/hr):
87
Gas Storage - Propane
Uniform Energy Factor (UEF):
Storage Volume (gallons):
50.0
First Hour Rating at 125°F outlet temp (gallons/hr):
Gas-fired Storage Residential-duty Commercial - Natural Gas
Uniform Energy Factor (UEF):
0.88
Storage Volume (gallons):
49.0
First Hour Rating at 125°F outlet temp (gallons/hr):
Gas-fired Storage Residential-duty Commercial - Natural Gas
Uniform Energy Factor (UEF):
0.88
Storage Volume (gallons):
48.0
First Hour Rating at 125°F outlet temp (gallons/hr):
Gas Storage - Natural Gas
Uniform Energy Factor (UEF):
0.7
Storage Volume (gallons):
38.0
First Hour Rating at 125°F outlet temp (gallons/hr):
87