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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. 401HVHZ-15A2Uwith ductless indoor unit HAHZ-15A2UHAXXAIR1.5 tons · 15,000 Btu/h · DuctlessGreat2.25
  2. 402AO-09U3T25Pwith ductless indoor unit AS-09U3THB25PHisense1 ton · 9,000 Btu/h · DuctlessGreat2.25
  3. 403AO-09U3T26P2with ductless indoor unit AS-09U3THB25PHisense1 ton · 9,000 Btu/h · DuctlessGreat2.25
  4. 404AO-12U3T25Pwith ductless indoor unit AS-12U3THB25PHisense1 ton · 12,000 Btu/h · DuctlessGreat2.25
  5. 405AO-12U3T26P2with ductless indoor unit AS-12U3THB25PHisense1 ton · 12,000 Btu/h · DuctlessGreat2.25
  6. 406AO-15U3T25Pwith ductless indoor unit AS-15U3THB25PHisense1.5 tons · 15,000 Btu/h · DuctlessGreat2.25
  7. 407AO-15U3T26P2with ductless indoor unit AS-15U3THB25PHisense1.5 tons · 15,000 Btu/h · DuctlessGreat2.25
  8. 408AS-09UW3TBW00with ductless indoor unit AS-09UW3TBW**00Hisense1 ton · 9,000 Btu/h · DuctlessGreat2.25
  9. 409AS-12UW3TBW00with ductless indoor unit AS-12UW3TBW**00Hisense1 ton · 12,000 Btu/h · DuctlessGreat2.25
  10. 410AS-15UW3TBW00with ductless indoor unit AS-15UW3TBW**00Hisense1.5 tons · 15,000 Btu/h · DuctlessGreat2.25
  11. 411KUMXA181ALG1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  12. 412MTH25-18K220V/Owith ductless indoor unit MTH25-18K220V/IMapleTemp1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  13. 413YN018GMSI24RPGwith ductless indoor unit CK018GMSILDFHGPioneer1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  14. 414PIAW1825080ABwith ductless indoor unit PIAW1825079AAPREMIUM LEVELLA1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  15. 415SAK-18-OCT2/220Vwith ductless indoor unit SAK-18-OCT1/220VStar Air Kontrol1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  16. 416ARHHBT18ASwith ductless indoor unit AWHHBT18STGM1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  17. 417LAPLAND-18K-Owith ductless indoor unit LAPLAND-18K-ITURBRO1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  18. 418LL-18K-Owith ductless indoor unit LL-18K-ITURBRO1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  19. 419YSA25-18HRDN8OUwith ductless indoor unit YSA25-18HRDN8INYONAN1.5 tons · 18,000 Btu/h · DuctlessGreat2.25
  20. 420ZE-09UB32Owith ductless indoor unit ZE-09UB32IZEPHYR1 ton · 9,000 Btu/h · DuctlessGreat2.25
  21. 421ZE-12UB32Owith ductless indoor unit ZE-12UB32IZEPHYR1 ton · 12,000 Btu/h · DuctlessGreat2.25
  22. 422ZE-15UB32Owith ductless indoor unit ZE-15UB32IZEPHYR1.5 tons · 15,000 Btu/h · DuctlessGreat2.25
  23. 423ASG24-12H1Bwith ductless indoor unit ASG24-12H1AApooDr1 ton · 12,000 Btu/h · DuctlessGreat2.24
  24. 424AOUH18KPAS1with ductless indoor unit ASUH18KPBSFujitsu1.5 tons · 18,000 Btu/h · DuctlessGreat2.24
  25. 425MWHD015S6S-1Pwith ductless indoor unit MWHD015S6-1PLennox1.5 tons · 15,000 Btu/h · DuctlessGreat2.24

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