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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. 1801TS-09AGR32OD21with ductless indoor unit TS-09AGR32AH21Gree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  2. 1802TW09HC32A5DOwith ductless indoor unit TW09HC32A5DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  3. 1803TW09HC32A5DOCwith ductless indoor unit TW09HC32A5DICGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  4. 1804TW09WH19D6DOwith ductless indoor unit TW09WH19D6DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  5. 1805TWH09AT19D6DOwith ductless indoor unit TWH09AT19D6DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  6. 1806TWH09ATC19R32A3DOwith ductless indoor unit TWH09ATC19R32A3DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  7. 1807TWH09CD32AOwith ductless indoor unit TWH09CD32AIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  8. 1808DXH09ESK3ILwith ductless indoor unit DHH09ESK3ILNortek Global HVAC (sold as Gibson)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  9. 1809DXH09PSK3IHwith ductless indoor unit DKH09FMK3IHNortek Global HVAC (sold as Gibson)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  10. 1810OCHX-H09A-Owith ductless indoor unit OCHX-H09A-IOUELLET1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  11. 1811H09SBH23XPCwith ductless indoor unit H09CSHU1XAETCL1 ton · 9,500 Btu/h · DuctlessBelow the middle1.94
  12. 1812TWSG-0919SR32220Owith ductless indoor unit TWSG-0919SR32220ITKS1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  13. 1813WLWH09ATCXB-D6DNA4D/Owith ductless indoor unit WLWH09AWCXB-D6DNA1C/ITRUENORTH1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  14. 1814CHW09KR32-Owith ductless indoor unit CHW09KR32-IWILLIS1 ton · 9,100 Btu/h · DuctlessBelow the middle1.94
  15. 1815AJAN09HP115V1COwith ductless indoor unit AJAN09HP115V1CHAUX1 ton · 9,100 Btu/h · DuctlessBelow the middle1.93
  16. 1816AUM20SW09HP115V1/Owith ductless indoor unit AUM20SW09HP115V1/HAUX1 ton · 9,100 Btu/h · DuctlessBelow the middle1.93
  17. 1817UE-H18S1Pwith ductless indoor unit UI-H18MS1PAIR C1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.92
  18. 1818CDHAS26B-18-Owith ductless indoor unit CDHAS26B-18-ICONTINENTAL1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.92
  19. 1819CDHAS26BA-18-Owith ductless indoor unit CDHAS26BA-18-ICONTINENTAL1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.92
  20. 1820CH-RHP15-230VOwith ductless indoor unit CH-RH15MASTWM-230VICooper&Hunter1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.92
  21. 1821EMXSZ118DAwith ductless indoor unit EMXWAL18DAEMI1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.92
  22. 1822QOS09H1BM0Awith ductless indoor unit QHW09H1UZRAInnovair1 ton · 9,000 Btu/h · DuctlessBelow the middle1.92
  23. 1823QOS09H1BM5Awith ductless indoor unit QHW09H1UZRAInnovair1 ton · 9,000 Btu/h · DuctlessBelow the middle1.92
  24. 1824T55-MHEAT3018E454with ductless indoor unit T55-MHEAT3018I454MAPLE HEAT1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.92
  25. 1825T55-AES18EXT454with ductless indoor unit T55-AES18INT454MAXI AIR1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.92

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