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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.

BrandModelSolar Uniform Energy Factor (SUEF)ENERGY STAR IDCertifiedSource
TychonFPS/HP 3005.43554048July 1, 2024data.energystar.gov
HeliodyneHPAK 1 410 GT 120 ACD Z992853719December 13, 2023data.energystar.gov
HeliodyneHPAK 1 408 GT 80 ACD Z992853718December 13, 2023data.energystar.gov
HeliodyneHPAK 1 406 GT 65 ACD Z992853717December 13, 2023data.energystar.gov
SolahartASTG 181J Free Heat992667853September 6, 2023data.energystar.gov
SolahartASTG 302J Free Heat84.52665937September 6, 2023data.energystar.gov
SolahartASTG 181J992658378September 6, 2023data.energystar.gov
SolahartASTG 302J84.52658377September 6, 2023data.energystar.gov
Universal Solar ProductsC80-184.62443188March 1, 2023data.energystar.gov
Universal Solar ProductsB80-18992443187March 1, 2023data.energystar.gov
Universal Solar ProductsA80-18992443186March 1, 2023data.energystar.gov
Universal Solar ProductsD120-183.52443185March 1, 2023data.energystar.gov
Universal Solar ProductsC120-18-EB992443184March 1, 2023data.energystar.gov
Solahart181BTC992472710January 19, 2023data.energystar.gov
Solahart181BTC Free Heat992472709January 19, 2023data.energystar.gov
SolahartASE 302J Free Heat92472708January 19, 2023data.energystar.gov
SolahartASE 302J92472688January 19, 2023data.energystar.gov
GREENoneTECGT992408189March 20, 2022data.energystar.gov
GREENoneTECDouble GT6.72408187March 20, 2022data.energystar.gov
GREENoneTECDouble E3.32408186March 20, 2022data.energystar.gov
GREENoneTECHE112408185March 20, 2022data.energystar.gov
Dimas300-2992408036March 1, 2022data.energystar.gov
SunEarthC2-20T-30-TLG992409617January 12, 2022data.energystar.gov
SunEarthC2-26T-40-TLG3.32409616January 12, 2022data.energystar.gov
SunEarthC2-40T-50-TLG5.22409615January 12, 2022data.energystar.gov
Dimas300-3 EL12.12408038October 19, 2021data.energystar.gov
Dimas300-4 EL992408037October 19, 2021data.energystar.gov
MC GreenB80-2023.32407844September 14, 2021data.energystar.gov
MC GreenA80-20992407842September 14, 2021data.energystar.gov
AcevedoUnit 2-20992408406July 6, 2021data.energystar.gov
HeliodyneHF 1 406 G 40 AC S E3.32421038November 13, 2020data.energystar.gov
HeliodyneHF 1 408 G 60 AC S E10.72421037November 13, 2020data.energystar.gov
HeliodyneHF 1 410 G 80 AC S E6.62421036November 13, 2020data.energystar.gov
RheemRS120-64BP-TG9.92409764November 13, 2020data.energystar.gov
RheemRS80-48BP-TG54.92409763November 13, 2020data.energystar.gov
RheemRS80-40BP-TG82409762November 13, 2020data.energystar.gov
RheemRS80-40BP4.82409761November 13, 2020data.energystar.gov
RheemRS80-48BP5.92409760November 13, 2020data.energystar.gov
SAMMLERA228992408376January 22, 2020data.energystar.gov
SAMMLERA16917.22408375January 22, 2020data.energystar.gov
SAMMLERA308992408374January 22, 2020data.energystar.gov
SAMMLERA230992408373January 22, 2020data.energystar.gov
SAMMLERA208992408372January 22, 2020data.energystar.gov
SAMMLERA168992408366January 22, 2020data.energystar.gov
SAMMLERUS200-254.42408361January 22, 2020data.energystar.gov
SAMMLERUS200-426.12408360January 22, 2020data.energystar.gov
GREENoneTECL-GT3.72408191November 12, 2019data.energystar.gov
GREENoneTECL-Extra3.32408190November 12, 2019data.energystar.gov
AETFF-80-48992408014November 12, 2019data.energystar.gov
AETDX-120-645.82408013November 12, 2019data.energystar.gov
AETDX-80-403.52408012November 12, 2019data.energystar.gov
AETD-120-64H992407988November 12, 2019data.energystar.gov
AETFF-80-426.72407986November 12, 2019data.energystar.gov
AETDX-80-64992407946November 12, 2019data.energystar.gov
AETB-DBS-G2-80-641.92407897November 12, 2019data.energystar.gov

Efficiency ratings across all certified models

RatingModels with a valueLowestMedianHighest
Solar Uniform Energy Factor (SUEF)551.923.399

Brands with certified solar water heaters

Brands with the most certified models, and the date of their latest certification.

BrandCertified modelsLatest certification
Solahart8September 6, 2023
SAMMLER8January 22, 2020
AET7November 12, 2019
Heliodyne6December 13, 2023
GREENoneTEC6March 20, 2022
Universal Solar Products5March 1, 2023
Rheem5November 13, 2020
Dimas3March 1, 2022
SunEarth3January 12, 2022
MC Green2September 14, 2021
Tychon1July 1, 2024
Acevedo1July 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.