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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. 2476KW12XQ19CAOwith ductless indoor unit KW12XQ19CAIGree (sold as Kinghome)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  2. 2477KW12XQ19SAOwith ductless indoor unit KW12XQ19SAIGree (sold as Kinghome)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  3. 2478MHPC-D-012ASCwith ductless indoor unit MWAL-D-012ASCGree (sold as Ac Pro)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  4. 2479SU-COSMO12-115/Owith ductless indoor unit SU-COSMO12-115/IGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  5. 2480TACCI7H1R12with ductless indoor unit TACEM7H1R12Gree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  6. 2481TS-12AGR32OD21Lwith ductless indoor unit TS-12AGR32AH21LGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  7. 2482TW12HC32A5AOwith ductless indoor unit TW12HC32A5AIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  8. 2483TW12HC32A5AOCwith ductless indoor unit TW12HC32A5AICGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  9. 2484TW12WH19D6AOwith ductless indoor unit TW12WH19D6AIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  10. 2485TWH12AT19A6AOwith ductless indoor unit TWH12AT19A6AIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  11. 2486TWH12CA32AOwith ductless indoor unit TWH12CA32AIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  12. 2487TWH18JD32AOwith ductless indoor unit TWH18JD32AIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.81
  13. 2488TWH18JD32BOwith ductless indoor unit TWH18JD32BIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.81
  14. 24891Q09FF2BE**with ductless indoor unit US09FB2BEHAIER1 ton · 9,000 Btu/h · DuctlessBelow the middle1.81
  15. 2490MMPD020S6M-1PLennox1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.81
  16. 2491MUZ-HX09NL***with ductless indoor unit MSZ-HX09NLMitsubishi Electric1 ton · 9,000 Btu/h · DuctlessBelow the middle1.81
  17. 2492MUZ-HX09NLH2***with ductless indoor unit MSZ-HX09NLMitsubishi Electric1 ton · 9,000 Btu/h · DuctlessBelow the middle1.81
  18. 2493MUZ-JX09WL***with ductless indoor unit MSZ-JX09WLMitsubishi Electric1 ton · 9,000 Btu/h · DuctlessBelow the middle1.81
  19. 2494MUZ-JX09WLH***with ductless indoor unit MSZ-JX09WLMitsubishi Electric1 ton · 9,000 Btu/h · DuctlessBelow the middle1.81
  20. 2495DXH12ESA3ILwith ductless indoor unit DHH12ESA3ILNortek Global HVAC (sold as Gibson)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  21. 2496AJ020DXJ2CGSamsung1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.81
  22. 2497TWSG-1219SR32110Owith ductless indoor unit TWSG-1219SR32110ITKS1 ton · 12,000 Btu/h · DuctlessBelow the middle1.81
  23. 2498EZ-18Z-HP230Bwith ductless indoor unit EZ-18W-HP230B1HVAC1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  24. 2499AS12HP1ACwith ductless indoor unit AS12HP1AEA/H EDEN1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  25. 2500AS12HP2AC*with ductless indoor unit AS12HP2AEA/H EDEN1 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