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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, Up to 1.5 tons: every model, highest efficiency on a 5°f day first

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

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 576OAH-SZ18K-208-PR-Owith ductless indoor unit OAH-SZ18K-208-PR-HORTECH1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  2. 577COPIH182Awith ductless indoor unit EOPIH182AOzone Spirit (sold as Ozone Spirit)1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  3. 578ML18HP230NEXH-Owith ducted air handler ML18HP230AHU-IRheem (sold as Mainline)1.5 tons · 18,000 Btu/h · DuctedGreat2.20
  4. 579FV-RB-MSCHI20-18K220-2with ductless indoor unit FV-RB-MSCHI20-18K220-1ROYAL BEAR1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  5. 580HSZ18H525ZMOwith ducted air handler AH18H525ZMISEA BREEZE+1.5 tons · 18,000 Btu/h · DuctedGreat2.20
  6. 581AE-X18CHUwith ductless indoor unit AY-XP18CHUSHARP1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  7. 582AE-X18CUwith ductless indoor unit AY-XPC18CU-BSHARP1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  8. 583AE-X18ZHUwith ductless indoor unit AY-XP18ZHUSHARP1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  9. 584AE-X18ZHU1with ductless indoor unit AY-XP18ZHU1SHARP1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  10. 585AE-X18ZU1with ductless indoor unit AY-XP18ZU1SHARP1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  11. 586CMTHI182AXwith ductless indoor unit EMTHI182AXTRAIDEN1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  12. 587FM18K230-Owith ductless indoor unit FM18K230-ITURBRO1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  13. 588D5CSHAH18AAKwith ducted air handler D5FSAAH18XBKViessmann1.5 tons · 18,000 Btu/h · DuctedGreat2.20
  14. 589WOS-18PRE/230with ducted air handler WIAH-18MOC/230Wells1.5 tons · 18,000 Btu/h · DuctedGreat2.20
  15. 590WAH18-2(O)with ductless indoor unit WAH18-2(I)Whisperair1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  16. 591IMHCAC-0020with ductless indoor unit IMHCAC-0019YITAHOME1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  17. 592YSAA18DH2AU-Wwith ductless indoor unit YSAA18DH2AU-NYITAHOME1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  18. 593Y21SA-18HRDN2OUwith ductless indoor unit Y21SA-18HRDN2YONAN1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  19. 594YSA22-18HRDN8OUwith ductless indoor unit YSA22-18HRDN8INYONAN1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  20. 595YPAS09BUFASDQ1with ductless indoor unit YPPFCB09UFA1DQYork1 ton · 9,000 Btu/h · DuctlessGreat2.20
  21. 596YRACDJ09WHAAwith ductless indoor unit YRAKDJ09RHAAYork1 ton · 9,000 Btu/h · DuctlessGreat2.20
  22. 597YRACGJ09WHBAwith ductless indoor unit YRAKGJ09PHBAYork1 ton · 9,000 Btu/h · DuctlessGreat2.20
  23. 598YRACGJ15WHAAwith ductless indoor unit YRAKGJ15PHAAYork1.5 tons · 15,000 Btu/h · DuctlessGreat2.20
  24. 599DHP18BC17Qwith ductless indoor unit DHP 18BE17QZENAIRE1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  25. 600RXC09BVJU*with ductless indoor unit FTXC09BVJUDaikin1 ton · 9,000 Btu/h · DuctlessGreat2.19

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