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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. 2326CHM18HP230V1R32AOwith ductless indoor unit CHM18HP230V1R32AHGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  2. 2327GS09HP230V1ZEOwith ductless indoor unit GS09HP230V1ZEIGree1 ton · 9,100 Btu/h · DuctlessBelow the middle1.85
  3. 2328GS18HP230V1ASOwith ductless indoor unit GS18HP230V1ASIGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  4. 2329GWH09AYBXB-D6DNA1A/Owith ductless indoor unit GWH09AYBXB-D6DN***/IGree1 ton · 9,100 Btu/h · DuctlessBelow the middle1.85
  5. 2330GWH18ATDXD-D6DNA1A/Owith ductless indoor unit GWH18ATDXD-D6DN***/IGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  6. 2331GWH18ATDXD-D6DNA4F/Owith ductless indoor unit GWH18ATDXD-D6DN***/IGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  7. 2332KW18HQ19CDOwith ductless indoor unit KW18HQ19CDIGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  8. 2333KW18XQ19CDOwith ductless indoor unit KW18XQ19CDIGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  9. 2334KW18XQ19SDOwith ductless indoor unit KW18XQ19SDIGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  10. 2335LIV18HP230V1R32AOwith ductless indoor unit LIV18HP230V1R32AHGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  11. 2336MHPC-D-018BSCwith ductless indoor unit MWAL-D-018BSCGree (sold as Ac Pro)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  12. 2337SU-COSMO18-230/Owith ductless indoor unit SU-COSMO18-230/IGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  13. 2338TACCI7H4R18with ductless indoor unit TACEM7H4R18Gree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  14. 2339TAW20-18H1Bwith ductless indoor unit TAW20-18H1AGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  15. 2340TAY18-09H220V1Bwith ductless indoor unit TAY18-09H220V1AGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.85
  16. 2341TS-09AGR32OD17with ductless indoor unit TS-09AGR32AH17Gree1 ton · 9,100 Btu/h · DuctlessBelow the middle1.85
  17. 2342TS-18AGR32OD21with ductless indoor unit TS-18AGR32AH21Gree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  18. 2343TW09WH17A5DOwith ductless indoor unit TW09WH17A5DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.85
  19. 2344TW18HC32A5DOwith ductless indoor unit TW18HC32A5DIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  20. 2345TW18HC32A5DOCwith ductless indoor unit TW18HC32A5DICGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  21. 2346TW18WH19D6DOwith ductless indoor unit TW18WH19D6DIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  22. 2347TWH09ZR32DOwith ductless indoor unit TWH09ZR32DIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.85
  23. 2348TWH18AT19D6DOwith ductless indoor unit TWH18AT19D6DIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  24. 2349TWH18ATD19R32A3DOwith ductless indoor unit TWH18ATD19R32A3DIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  25. 2350TWH18CD32AOwith ductless indoor unit TWH18CD32AIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85

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