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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. 751KW09XQ29SDOwith ductless indoor unit KW09XQ29SDIGree (sold as Kinghome)1 ton · 9,100 Btu/h · DuctlessGreat2.11
  2. 752SAP09HP230V1R32AOwith ductless indoor unit SAP09HP230V1R32AHGree1 ton · 9,100 Btu/h · DuctlessGreat2.11
  3. 753TW09HAY32A1DOwith ductless indoor unit TW09HAY32A1DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessGreat2.11
  4. 754TW09HAY32A1DOCwith ductless indoor unit TW09HAY32A1DICGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessGreat2.11
  5. 755TW09WH29D6DOwith ductless indoor unit TW09WH29D6DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessGreat2.11
  6. 756TWH09AD32AOwith ductless indoor unit TWH09AD32AIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessGreat2.11
  7. 757TWH09AV29D6DOwith ductless indoor unit TWH09AV29D6DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessGreat2.11
  8. 758AO-09U3R25Ewith ductless indoor unit AS-09U3RHB25EHisense1 ton · 9,000 Btu/h · DuctlessGreat2.11
  9. 759AST-09UW3RGU00with ductless indoor unit AST-09UW3RGU**00Hisense1 ton · 9,000 Btu/h · DuctlessGreat2.11
  10. 760QOS09H2XE5Awith ductless indoor unit QHW09H2UZRBInnovair1 ton · 9,000 Btu/h · DuctlessGreat2.11
  11. 761MOX330-12HFPN10-M1Xwith ductless indoor unit MCBM-12HRFPN10-M1Midea (sold as MDV)1 ton · 12,000 Btu/h · DuctlessGreat2.11
  12. 762DIYHH-12-HP-C-230D25-Owith ductless indoor unit DIYCASSETTE12HP-230D25-OMRCOOL1 ton · 12,000 Btu/h · DuctlessGreat2.11
  13. 763WHS09SZB21Swith ductless indoor unit WHS09WMB21SNortek Global HVAC (sold as Westinghouse)1 ton · 9,000 Btu/h · DuctlessGreat2.11
  14. 764OS-SR09-230VOwith ductless indoor unit OS-A09SRW-230VIOLMO1 ton · 9,000 Btu/h · DuctlessGreat2.11
  15. 765OARX-H09A-Owith ductless indoor unit OARX-H09A-IOUELLET1 ton · 9,100 Btu/h · DuctlessGreat2.11
  16. 766CU-XZ12AKUACwith ductless indoor unit CS-XZ12AKUAWPanasonic1 ton · 11,500 Btu/h · DuctlessGreat2.11
  17. 767AE-X12CPUwith ductless indoor unit AY-XP12CPUSHARP1 ton · 12,500 Btu/h · DuctlessGreat2.11
  18. 768AE-X12ZU1with ductless indoor unit AY-XP12ZU1SHARP1 ton · 12,000 Btu/h · DuctlessGreat2.11
  19. 769CU-VST09HC-WIFIDR25with ductless indoor unit EU- VST09HC-WIFIDR25Voltas1 ton · 9,000 Btu/h · DuctlessGreat2.11
  20. 770AUHW09KR32-Owith ductless indoor unit AUHW09KR32-IWILLIS1 ton · 9,100 Btu/h · DuctlessGreat2.11
  21. 771ZE-09CB22Owith ductless indoor unit ZE-09CB22AIZEPHYR1 ton · 9,000 Btu/h · DuctlessGreat2.11
  22. 772ACIQ-18ZPL-HP230Cwith ducted air handler ACIQ-18CD-HH-MC1HVAC1.5 tons · 17,500 Btu/h · DuctedGood2.10
  23. 773ACIQ-18ZPL-HP230Cwith ducted air handler ACIQ-18CD-HH-MCACIQ1.5 tons · 17,500 Btu/h · DuctedGood2.10
  24. 774ATPRO24-12H1Bwith ductless indoor unit ATPRO24-12H1AApooDr1 ton · 12,000 Btu/h · DuctlessGreat2.10
  25. 775ATPRO24-12H220V1Bwith ductless indoor unit ATPRO24-12H220V1AApooDr1 ton · 12,000 Btu/h · DuctlessGreat2.10

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