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Check a heat pump’s certified ratings

Type the outdoor unit’s model number from its nameplate, or the AHRI reference number from your quote. You will see its ratings, how it compares with others of its size, and the rebate standards it meets.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Partial model numbers work. AHRI numbers find the pairing listed for each model.

Ductless, 2 tons: every model, highest efficiency on a 5°f day first

One size class at a time, so the numbers compare directly.

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

  1. 426TM24WH21MOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  2. 427TMH24D32MOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  3. 428TMH24D32NOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  4. 429TMSCI7H4R24Gree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  5. 430GRID24OHVwith ductless indoor unit GRID24WHVGridless2 tons · 24,000 Btu/h · DuctlessGood2.00
  6. 431GSSHAX7642HAVELLS2 tons · 24,000 Btu/h · DuctlessGood2.00
  7. 432H24FB2with ductless indoor unit H24FB2-IHessaire2 tons · 24,000 Btu/h · DuctlessGood2.00
  8. 433AO-24U3T25Uwith ductless indoor unit ASU-24U3THB25UHisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  9. 434AO-24U3T26U2with ductless indoor unit ASU-24U3THB25UHisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  10. 435AOU-24U3T25Uwith ductless indoor unit ACU-24U3T25UHisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  11. 436AST-24UW3TKN00with ductless indoor unit AST-24UW3TKN**00Hisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  12. 437AST-24UW3TKW00with ductless indoor unit AST-24UW3TKW**00Hisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  13. 438AUW-24U3TK1with ductless indoor unit ACT-24UR3TJA1Hisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  14. 439RAM-X24N3HBAHITACHI2 tons · 24,000 Btu/h · DuctedGood2.00
  15. 440823-093V84WTwith ductless indoor unit 823-092V80WTHOMCOM2 tons · 23,000 Btu/h · DuctlessGood2.00
  16. 441EZ-24ZPL-HP230Bwith ductless indoor unit EZ-24W-MBInfinityLiving2 tons · 24,000 Btu/h · DuctlessGood2.00
  17. 442QOS24H2BH0Awith ductless indoor unit QCS24H2BHRAInnovair2 tons · 24,000 Btu/h · DuctlessGood2.00
  18. 443QOS24H2BM5Awith ductless indoor unit QHW24H2UZRBInnovair2 tons · 24,000 Btu/h · DuctlessGood2.00
  19. 444KEENSTZHP27AAKEEN Home2 tons · 26,000 Btu/h · DuctlessGood2.00
  20. 445SE7203P-24Kwith ductless indoor unit SE7203S-24KKissair2 tons · 23,000 Btu/h · DuctlessGood2.00
  21. 446SE7203P-24K-ASZwith ductless indoor unit SE7203S-24K-ASZKissair2 tons · 23,000 Btu/h · DuctlessGood2.00
  22. 447SE7203PW-24K-ZAZwith ductless indoor unit SE7203SW-24K-ZAZKissair2 tons · 23,000 Btu/h · DuctlessGood2.00
  23. 448KMIR427-H225-4KLIMAIRE2 tons · 26,000 Btu/h · DuctlessGood2.00
  24. 449D5CMHAH24DAKLPS Legacy2 tons · 24,000 Btu/h · DuctlessGood2.00
  25. 450D5CMRAH24DAKLPS Legacy2 tons · 24,000 Btu/h · DuctlessGood2.00

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What size is my system?

Tons and Btu

A heat pump’s size is its rated cooling output, in Btu per hour. Installers talk in tons: one ton is 12,000 Btu per hour, so a 3-ton unit is about 36,000.

Where to find yours: the nameplate sticker on the outdoor unit lists the model number. Many model numbers include the size in thousands of Btu, such as 24 (2 tons), 36 (3 tons) or 48 (4 tons). Your quote or AHRI certificate also lists it. Look up a model number

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Size classes used here

  • Up to 1.5 tonsunder 21,000 Btu/h
  • 2 tons21,000–26,999 Btu/h
  • 2.5–3 tons27,000–38,999 Btu/h
  • 3.5–4.5 tons39,000–56,999 Btu/h
  • 5 tons and up57,000 Btu/h and up

The advanced view lists every model with filters for brand, standard, size and type, sortable by any rating.

Open the advanced view