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56 certified models

State commercial water heaters

Every State water heater certified under ENERGY STAR and listed for the US market, fastest first. Each model page has the full certified specs and comparable machines from other makers.

ModelTypeFuelStorageInput rate
ATX-199-*-1**Gas StorageGas, Propane119 gal199 kBtu/h
BTH 120* 3**Gas StorageGas, Propane60 gal120 kBtu/h
BTH 150* 3**Gas StorageGas, Propane100 gal150 kBtu/h
BTH 199* 3**Gas StorageGas, Propane100 gal199 kBtu/h
BTH 250* 3**Gas StorageGas, Propane100 gal250 kBtu/h
BTH 300* 3**Gas StorageGas, Propane119 gal300 kBtu/h
BTH 400* 3**Gas StorageGas, Propane119 gal400 kBtu/h
BTH 500* 3**Gas Storage-type InstantaneousGas, Propane119 gal500 kBtu/h
BTH-100* 4**Gas StorageGas, Propane60 gal99.9 kBtu/h
BTH-120* 4**Gas StorageGas, Propane60 gal120 kBtu/h
BTH-145* 4**Gas StorageGas, Propane60 gal145 kBtu/h
BTH-150* 4**Gas StorageGas, Propane100 gal150 kBtu/h
BTH-199* 4**Gas StorageGas, Propane100 gal200 kBtu/h
BTH-250* 4**Gas StorageGas, Propane100 gal250 kBtu/h
BTH-251* 4**Gas StorageGas, Propane119 gal251 kBtu/h
BTH-300* 4**Gas StorageGas, Propane119 gal300 kBtu/h
BTH-400* 4**Gas StorageGas, Propane119 gal400 kBtu/h
BTH-500* 4**Gas Storage-type InstantaneousGas, Propane119 gal500 kBtu/h
BTX-80 1**Gas StorageGas50 gal76 kBtu/h
CSHP-120-DHPT 100Electric Heat PumpElectric119 gal-
CSHP2CO-6Electric Heat PumpElectric0 gal-
CSHP3CO-6Electric Heat PumpElectric0 gal-
GHX 34 130 * 2**Gas StorageGas, Propane34 gal130 kBtu/h
GHX 50 130 * 2**Gas StorageGas, Propane50 gal130 kBtu/h
GHX 50 150 * 2**Gas StorageGas, Propane50 gal150 kBtu/h
GHX 50 175 * 2**Gas StorageGas, Propane50 gal175 kBtu/h
GHX 50 199 * 2**Gas StorageGas, Propane50 gal199 kBtu/h
SHE-50-100 *E 3**Gas StorageGas, Propane50 gal100 kBtu/h
SHE-50-100-*E 4**Gas StorageGas, Propane50 gal99.9 kBtu/h
SHE-75-100 *E 3**Gas StorageGas, Propane75 gal100 kBtu/h
SHE-75-100-*E 4**Gas StorageGas, Propane75 gal99.9 kBtu/h
SHPA060Electric Heat PumpElectric1 gal-
SHPA060-208Electric Heat PumpElectric1 gal-
SHPA060-480Electric Heat PumpElectric1 gal-
SHPA140Electric Heat PumpElectric2 gal-
SHPA140-208Electric Heat PumpElectric2 gal-
SHPA140-480Electric Heat PumpElectric2 gal-
SHPA200Electric Heat PumpElectric3 gal-
SHPA200-208Electric Heat PumpElectric3 gal-
SHPA200-480Electric Heat PumpElectric3 gal-
SHPA280Electric Heat PumpElectric3 gal-
SHPA280-208Electric Heat PumpElectric3 gal-
SHPA280-480Electric Heat PumpElectric3 gal-
SHPA350Electric Heat PumpElectric4 gal-
SHPA350-208Electric Heat PumpElectric4 gal-
SHPA350-480Electric Heat PumpElectric4 gal-
SPC 34 130 *E 2**Gas StorageGas, Propane34 gal130 kBtu/h
SPC 50 130 *E 2**Gas StorageGas, Propane50 gal130 kBtu/h
SPC 50 150 *E 2**Gas StorageGas, Propane50 gal150 kBtu/h
SPC 50 175 *E 2**Gas StorageGas, Propane50 gal175 kBtu/h
SPC 50 199 *E 2**Gas StorageGas, Propane50 gal199 kBtu/h
SUF119251*E* 3**Gas StorageGas, Propane119 gal250 kBtu/h
SUS 120 1000NEA 1**Gas Storage-type InstantaneousGas120 gal1,000 kBtu/h
SUS 120 1000PEA 1**Gas Storage-type InstantaneousPropane120 gal1,000 kBtu/h
SUS 120 750NEA 1**Gas Storage-type InstantaneousGas120 gal750 kBtu/h
SUS 120 750PEA 1**Gas Storage-type InstantaneousPropane120 gal750 kBtu/h

Source: ENERGY STAR certification data, US EPA. Data build 2026-09-29. Brand names are as the maker certified them, with obvious variant spellings merged.