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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. 2726KW18XQ29SDOwith ductless indoor unit KW18XQ29SDIGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  2. 2727KWP12R32C3Owith ductless indoor unit KWP12R32C3IGree (sold as Kinghome)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  3. 2728KWP18R32C3Owith ductless indoor unit KWP18R32C3IGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  4. 2729LIV12HP230V1R32AOwith ductless indoor unit LIV12HP230V1R32AHGree1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  5. 2730MHPC-D-012BSCwith ductless indoor unit MWAL-D-012BSCGree (sold as Ac Pro)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  6. 2731SAP18HP230V1R32AOwith ductless indoor unit SAP18HP230V1R32AHGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  7. 2732SU-COSMO12-230/Owith ductless indoor unit SU-COSMO12-230/IGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  8. 2733TACCI7H4R12with ductless indoor unit TACEM7H4R12Gree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  9. 2734TAW20-12H1Bwith ductless indoor unit TAW20-12H1AGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  10. 2735TAW20-12H220V1Bwith ductless indoor unit TAW20-12H220V1AGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  11. 2736TAY18-09H1Bwith ductless indoor unit TAY18-09H1AGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.80
  12. 2737TS-09AGR32OD17Lwith ductless indoor unit TS-09AGR32AH17LGree1 ton · 9,100 Btu/h · DuctlessBelow the middle1.80
  13. 2738TS-12AGR32OD21with ductless indoor unit TS-12AGR32AH21Gree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  14. 2739TW09WH17A5AOwith ductless indoor unit TW09WH17A5AIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.80
  15. 2740TW12HC32A5DOwith ductless indoor unit TW12HC32A5DIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  16. 2741TW12HC32A5DOCwith ductless indoor unit TW12HC32A5DICGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  17. 2742TW12WH19D6DOwith ductless indoor unit TW12WH19D6DIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  18. 2743TW18HAY32A1DOwith ductless indoor unit TW18HAY32A1DIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  19. 2744TW18HAY32A1DOCwith ductless indoor unit TW18HAY32A1DICGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  20. 2745TW18WH29D6DOwith ductless indoor unit TW18WH29D6DIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  21. 2746TWH09ZR32AOwith ductless indoor unit TWH09ZR32AIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.80
  22. 2747TWH09ZR33AOwith ductless indoor unit TWH09ZR32AIGree (sold as Tosot)1 ton · 9,100 Btu/h · DuctlessBelow the middle1.80
  23. 2748TWH12AT19D6DOwith ductless indoor unit TWH12AT19D6DIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  24. 2749TWH12ATC19R32A3AOwith ductless indoor unit TWH12ATC19R32A3AIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  25. 2750TWH12ATC19R32A3DOwith ductless indoor unit TWH12ATC19R32A3DIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80

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