Data / ENERGY STAR / Solar water heaters / Solahart
Solahart ENERGY STAR certified solar water heaters: 8 models
Solahart has 8 ENERGY STAR certified products in solar water heaters on the EPA's list as read on November 4, 2026, which puts it number 1 of 12 brands by model count. Its newest certification is ASTG 181J Free Heat, dated September 6, 2023.
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.
- Certified products
- 8
- Newest certification
- September 6, 2023
- Brands in this category
- 12
Solahart certified solar water heaters
Newest first. Each row links to the product's record in the EPA's open data portal.
| Model | Solar Uniform Energy Factor (SUEF) | ENERGY STAR ID | Certified | Source |
|---|---|---|---|---|
| ASTG 181J Free Heat | 99 | 2667853 | September 6, 2023 | data.energystar.gov |
| ASTG 302J Free Heat | 84.5 | 2665937 | September 6, 2023 | data.energystar.gov |
| ASTG 181J | 99 | 2658378 | September 6, 2023 | data.energystar.gov |
| ASTG 302J | 84.5 | 2658377 | September 6, 2023 | data.energystar.gov |
| 181BTC | 99 | 2472710 | January 19, 2023 | data.energystar.gov |
| 181BTC Free Heat | 99 | 2472709 | January 19, 2023 | data.energystar.gov |
| ASE 302J Free Heat | 9 | 2472708 | January 19, 2023 | data.energystar.gov |
| ASE 302J | 9 | 2472688 | January 19, 2023 | data.energystar.gov |
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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.