Data / ENERGY STAR / Solar water heaters
ENERGY STAR certified solar water heaters: 55 models from 12 brands
The EPA lists 55 ENERGY STAR certified products in solar water heaters from 12 brands, as read on November 4, 2026. The newest certification is Tychon FPS/HP 300, dated July 1, 2024, and Solahart has the most certified models with 8. Solar Uniform Energy Factor (SUEF) runs from 1.9 to 99 with a median of 23.3.
SpecStream is the live web data engine for teams and agents. It reads the EPA's ENERGY STAR certified product lists, keyed on the ENERGY STAR Unique ID, and this page is that reading. Ask for the products you track by category, brand or rating, and each new certification arrives in your sheet, CRM, Slack or agent as the EPA publishes it.
- 55Certified products
- 12Brands
- July 1, 2024Newest certification
Newest certified solar water heaters
The 55 most recent certifications. Each row links to the product's record in the EPA's open data portal.
| Brand | Model | Solar Uniform Energy Factor (SUEF) | ENERGY STAR ID | Certified | Source |
|---|---|---|---|---|---|
| Tychon | FPS/HP 300 | 5.4 | 3554048 | July 1, 2024 | data.energystar.gov |
| Heliodyne | HPAK 1 410 GT 120 ACD Z | 99 | 2853719 | December 13, 2023 | data.energystar.gov |
| Heliodyne | HPAK 1 408 GT 80 ACD Z | 99 | 2853718 | December 13, 2023 | data.energystar.gov |
| Heliodyne | HPAK 1 406 GT 65 ACD Z | 99 | 2853717 | December 13, 2023 | data.energystar.gov |
| Solahart | ASTG 181J Free Heat | 99 | 2667853 | September 6, 2023 | data.energystar.gov |
| Solahart | ASTG 302J Free Heat | 84.5 | 2665937 | September 6, 2023 | data.energystar.gov |
| Solahart | ASTG 181J | 99 | 2658378 | September 6, 2023 | data.energystar.gov |
| Solahart | ASTG 302J | 84.5 | 2658377 | September 6, 2023 | data.energystar.gov |
| Universal Solar Products | C80-18 | 4.6 | 2443188 | March 1, 2023 | data.energystar.gov |
| Universal Solar Products | B80-18 | 99 | 2443187 | March 1, 2023 | data.energystar.gov |
| Universal Solar Products | A80-18 | 99 | 2443186 | March 1, 2023 | data.energystar.gov |
| Universal Solar Products | D120-18 | 3.5 | 2443185 | March 1, 2023 | data.energystar.gov |
| Universal Solar Products | C120-18-EB | 99 | 2443184 | March 1, 2023 | data.energystar.gov |
| Solahart | 181BTC | 99 | 2472710 | January 19, 2023 | data.energystar.gov |
| Solahart | 181BTC Free Heat | 99 | 2472709 | January 19, 2023 | data.energystar.gov |
| Solahart | ASE 302J Free Heat | 9 | 2472708 | January 19, 2023 | data.energystar.gov |
| Solahart | ASE 302J | 9 | 2472688 | January 19, 2023 | data.energystar.gov |
| GREENoneTEC | GT | 99 | 2408189 | March 20, 2022 | data.energystar.gov |
| GREENoneTEC | Double GT | 6.7 | 2408187 | March 20, 2022 | data.energystar.gov |
| GREENoneTEC | Double E | 3.3 | 2408186 | March 20, 2022 | data.energystar.gov |
| GREENoneTEC | HE | 11 | 2408185 | March 20, 2022 | data.energystar.gov |
| Dimas | 300-2 | 99 | 2408036 | March 1, 2022 | data.energystar.gov |
| SunEarth | C2-20T-30-TLG | 99 | 2409617 | January 12, 2022 | data.energystar.gov |
| SunEarth | C2-26T-40-TLG | 3.3 | 2409616 | January 12, 2022 | data.energystar.gov |
| SunEarth | C2-40T-50-TLG | 5.2 | 2409615 | January 12, 2022 | data.energystar.gov |
| Dimas | 300-3 EL | 12.1 | 2408038 | October 19, 2021 | data.energystar.gov |
| Dimas | 300-4 EL | 99 | 2408037 | October 19, 2021 | data.energystar.gov |
| MC Green | B80-20 | 23.3 | 2407844 | September 14, 2021 | data.energystar.gov |
| MC Green | A80-20 | 99 | 2407842 | September 14, 2021 | data.energystar.gov |
| Acevedo | Unit 2-20 | 99 | 2408406 | July 6, 2021 | data.energystar.gov |
| Heliodyne | HF 1 406 G 40 AC S E | 3.3 | 2421038 | November 13, 2020 | data.energystar.gov |
| Heliodyne | HF 1 408 G 60 AC S E | 10.7 | 2421037 | November 13, 2020 | data.energystar.gov |
| Heliodyne | HF 1 410 G 80 AC S E | 6.6 | 2421036 | November 13, 2020 | data.energystar.gov |
| Rheem | RS120-64BP-TG | 9.9 | 2409764 | November 13, 2020 | data.energystar.gov |
| Rheem | RS80-48BP-TG | 54.9 | 2409763 | November 13, 2020 | data.energystar.gov |
| Rheem | RS80-40BP-TG | 8 | 2409762 | November 13, 2020 | data.energystar.gov |
| Rheem | RS80-40BP | 4.8 | 2409761 | November 13, 2020 | data.energystar.gov |
| Rheem | RS80-48BP | 5.9 | 2409760 | November 13, 2020 | data.energystar.gov |
| SAMMLER | A228 | 99 | 2408376 | January 22, 2020 | data.energystar.gov |
| SAMMLER | A169 | 17.2 | 2408375 | January 22, 2020 | data.energystar.gov |
| SAMMLER | A308 | 99 | 2408374 | January 22, 2020 | data.energystar.gov |
| SAMMLER | A230 | 99 | 2408373 | January 22, 2020 | data.energystar.gov |
| SAMMLER | A208 | 99 | 2408372 | January 22, 2020 | data.energystar.gov |
| SAMMLER | A168 | 99 | 2408366 | January 22, 2020 | data.energystar.gov |
| SAMMLER | US200-25 | 4.4 | 2408361 | January 22, 2020 | data.energystar.gov |
| SAMMLER | US200-42 | 6.1 | 2408360 | January 22, 2020 | data.energystar.gov |
| GREENoneTEC | L-GT | 3.7 | 2408191 | November 12, 2019 | data.energystar.gov |
| GREENoneTEC | L-Extra | 3.3 | 2408190 | November 12, 2019 | data.energystar.gov |
| AET | FF-80-48 | 99 | 2408014 | November 12, 2019 | data.energystar.gov |
| AET | DX-120-64 | 5.8 | 2408013 | November 12, 2019 | data.energystar.gov |
| AET | DX-80-40 | 3.5 | 2408012 | November 12, 2019 | data.energystar.gov |
| AET | D-120-64H | 99 | 2407988 | November 12, 2019 | data.energystar.gov |
| AET | FF-80-42 | 6.7 | 2407986 | November 12, 2019 | data.energystar.gov |
| AET | DX-80-64 | 99 | 2407946 | November 12, 2019 | data.energystar.gov |
| AET | B-DBS-G2-80-64 | 1.9 | 2407897 | November 12, 2019 | data.energystar.gov |
Efficiency ratings across all certified models
| Rating | Models with a value | Lowest | Median | Highest |
|---|---|---|---|---|
| Solar Uniform Energy Factor (SUEF) | 55 | 1.9 | 23.3 | 99 |
Brands with certified solar water heaters
Brands with the most certified models, and the date of their latest certification.
| Brand | Certified models | Latest certification |
|---|---|---|
| Solahart | 8 | September 6, 2023 |
| SAMMLER | 8 | January 22, 2020 |
| AET | 7 | November 12, 2019 |
| Heliodyne | 6 | December 13, 2023 |
| GREENoneTEC | 6 | March 20, 2022 |
| Universal Solar Products | 5 | March 1, 2023 |
| Rheem | 5 | November 13, 2020 |
| Dimas | 3 | March 1, 2022 |
| SunEarth | 3 | January 12, 2022 |
| MC Green | 2 | September 14, 2021 |
| Tychon | 1 | July 1, 2024 |
| Acevedo | 1 | July 6, 2021 |
Updated November 4, 2026. Read from ENERGY STAR certified product data, US Environmental Protection Agency (data.energystar.gov). Public domain data from the US EPA and the US Department of Energy. Products are listed as the EPA publishes them on the date this page was read, and the EPA can revise or withdraw a certification. A product is counted once, under the most specific list that holds it. For heat pumps each ENERGY STAR ID is one outdoor and indoor unit combination, so a model number can repeat. Brand names are as published. This page uses EPA data and is not endorsed or certified by the EPA or ENERGY STAR. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.