government shutdown banner

There has been a lapse in Environmental Protection Agency appropriations.  EPA intends to keep the ENERGY STAR website, tools, and resources available, however they will not be updated regularly.  If you submit a question, application, or request to EPA, it may not be processed during this period. 

Access to ENERGY STAR
API, Data Set or  Excel File
 

Find and Compare

Change Product

  • Together we can create a healthier planet for all of us.

    LEARN MORE
    Tip Image
    Gas Water Heaters Header Image

    ENERGY STAR Certified
    Gas Water Heaters

    Visit the  Gas Water Heaters page for usage tips and buying guidelines.

    459 Records Found
    Filter Your Results

    FuelField details
    TypeField details
    Brand NameField details
    Focus Show More
    Storage Volume (gallons)Field details
    First Hour Rating (gallons)Field details
    Max. Input Rate for Gas Products (kBTU/hr)Field details
    MarketsField details

    Rebate Finder

    Rebate Finder Icon

    ENERGY STAR partners sponsor rebates on certified products. Enter a zip code below to find deals near you!

    Learn More
    About Products

    Looking for more information about how to save with ENERGY STAR products?

    Sort direction image

    compare 2-4 products
    Compare
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    33
    Max. Input Rate for Gas Products (Btu/hr):
    100000
    First Hour Rating (gallons):
    170
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    33
    Max. Input Rate for Gas Products (Btu/hr):
    100000
    First Hour Rating (gallons):
    170
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    38
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    86
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    49
    Max. Input Rate for Gas Products (Btu/hr):
    65000
    First Hour Rating (gallons):
    118
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    38
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    86
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    49
    Max. Input Rate for Gas Products (Btu/hr):
    65000
    First Hour Rating (gallons):
    118
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88
    Gas Storage - Natural Gas, Propane
    Uniform Energy Factor (UEF):
    0.9
    Storage Volume (gallons):
    40
    Max. Input Rate for Gas Products (Btu/hr):
    50000
    First Hour Rating (gallons):
    88