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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.

Ducted, 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 701GWH12AVDXE-D6DNA1A/Owith ductless indoor unit GWH12AVDXE-D6DN***/IGree1 ton · 12,000 Btu/h · DuctlessGood2.00
  2. 702GWH12AVDXE-D6DNA1B/Owith ductless indoor unit GWH12AVDXE-D6DN***/IGree1 ton · 12,000 Btu/h · DuctlessGood2.00
  3. 703GWHD(18)ND6MOGree1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  4. 704GWHD(18)ND6POGree1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  5. 705GWHD21-18H2DGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  6. 706KM18X6OGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  7. 707KU18UXOwith ducted air handler KD18UXIGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctedGood2.00
  8. 708KW12XQ29S1DOwith ductless indoor unit KW12XQ29S1DIGree (sold as Kinghome)1 ton · 12,000 Btu/h · DuctlessGood2.00
  9. 709KW12XQ29SDOwith ductless indoor unit KW12XQ29SDIGree (sold as Kinghome)1 ton · 12,000 Btu/h · DuctlessGood2.00
  10. 710MHPC-D-018BMCGree (sold as Ac Pro)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  11. 711MUL18HP230V1R32AOGree1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  12. 712MUL19HP230V1R32AOGree1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  13. 713MZ-COSMO18/OGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  14. 714SAP12HP230V1R32AOwith ductless indoor unit SAP12HP230V1R32AHGree1 ton · 12,000 Btu/h · DuctlessGood2.00
  15. 715SPHP-Y-V018BBwith ducted air handler AIRH-Y-V01808CBGree (sold as Ac Pro)1.5 tons · 18,000 Btu/h · DuctedGood2.00
  16. 716TGWHD-18NDGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  17. 717TM18D6MOGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  18. 718TM18H32MOGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  19. 719TM18R32MOGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  20. 720TM18WH21MOGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  21. 721TMH18D32MOGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  22. 722TMH18D32NOGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  23. 723TMH18D32POGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  24. 724TMSCI7H4R18Gree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  25. 725TU18-R32WEDUwith ducted air handler TUD18-R32AHEDUGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctedGood2.00

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