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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. 501ARHCPT24ASwith ductless indoor unit AWHCPT24STGM2 tons · 22,400 Btu/h · DuctlessGood2.00
  2. 502GMRSHT24AS3TGM2 tons · 24,000 Btu/h · DuctlessGood2.00
  3. 503CMTHI242AXwith ductless indoor unit EMTHI242AXTRAIDEN2 tons · 23,000 Btu/h · DuctlessGood2.00
  4. 504WLWHD(24)ND6MOTRUENORTH2 tons · 24,000 Btu/h · DuctlessGood2.00
  5. 505M4S27HN/O6S4PTRUST AIR CONDITIONERS2 tons · 26,000 Btu/h · DuctlessGood2.00
  6. 506M4S27HS/O6S4PTRUST AIR CONDITIONERS2 tons · 26,000 Btu/h · DuctlessGood2.00
  7. 507FM24K230 -Owith ductless indoor unit FM24K230-ITURBRO2 tons · 23,000 Btu/h · DuctlessGood2.00
  8. 508D5CMHAH24DAKViessmann2 tons · 24,000 Btu/h · DuctlessGood2.00
  9. 509WOM-27RH4/230Wells2 tons · 26,000 Btu/h · DuctlessGood2.00
  10. 510MZUHW24KR32-OWILLIS2 tons · 24,000 Btu/h · DuctlessGood2.00
  11. 511XM3-H24/2DR3AXTRON2 tons · 24,000 Btu/h · DuctlessGood2.00
  12. 512IMHCAC-0014with ductless indoor unit IMHCAC-0013YITAHOME2 tons · 24,000 Btu/h · DuctlessGood2.00
  13. 513IMHCAC- 0022with ductless indoor unit IMHCAC-0021YITAHOME2 tons · 23,000 Btu/h · DuctlessGood2.00
  14. 514IMHCAC-0034YITAHOME2 tons · 24,000 Btu/h · DuctlessGood2.00
  15. 515Y21SA-24HRDN2OUwith ductless indoor unit Y21SA-24HRDN2YONAN2 tons · 23,000 Btu/h · DuctlessGood2.00
  16. 516Y21SM-24HRDN2OUwith ductless indoor unit Y21SM-24HRDN2YONAN2 tons · 24,000 Btu/h · DuctlessGood2.00
  17. 517Y21SQ-24HRDN2OUwith ductless indoor unit Y21SQ-24HRDN2YONAN2 tons · 23,000 Btu/h · DuctlessGood2.00
  18. 518YSAMO-24HRN1YONAN2 tons · 24,000 Btu/h · DuctlessGood2.00
  19. 519YHKF24YJ6DXUO-Xwith ductless indoor unit YHKF24XJ6DXU-RXYork2 tons · 24,000 Btu/h · DuctlessGood2.00
  20. 520YHKF24YJMEXCO-Xwith ductless indoor unit YHKF24XJMEXC-RXYork2 tons · 24,000 Btu/h · DuctlessGood2.00
  21. 521YHKF24YJMEXVO-Xwith ductless indoor unit YHKF24XJMEXV-RXYork2 tons · 24,000 Btu/h · DuctlessGood2.00
  22. 522YRAMX24N3HBAYork2 tons · 24,000 Btu/h · DuctedGood2.00
  23. 523A7202P-24Kwith ductless indoor unit A7202S-24KZAFRO2 tons · 23,000 Btu/h · DuctlessGood2.00
  24. 524A7202PW-24Kwith ductless indoor unit A7202SW-24KZAFRO2 tons · 23,000 Btu/h · DuctlessGood2.00
  25. 525SE7203P-24Kwith ductless indoor unit SE7203S-24KZAFRO2 tons · 23,000 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