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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. 726TUD18-12W2/NHE-D(U)with ducted air handler TUD18AH2/NHG-D(U)Gree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctedGood2.00
  2. 727TW12HAY32A1DOwith ductless indoor unit TW12HAY32A1DIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessGood2.00
  3. 728TW12HAY32A1DOCwith ductless indoor unit TW12HAY32A1DICGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessGood2.00
  4. 729TWH12AD32AOwith ductless indoor unit TWH12AD32AIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessGood2.00
  5. 730QS15H18HA5***with ducted air handler NAS18E1TB5HAIER1.5 tons · 18,600 Btu/h · DuctedGood2.00
  6. 731AOH-18U3R26SSwith ducted air handler AH-18U3R26SSHisense1.5 tons · 18,000 Btu/h · DuctedGood2.00
  7. 732AOU-18U3T25Uwith ductless indoor unit ACU-18U3T25UHisense1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  8. 733AUW-18U3TJ1with ductless indoor unit ACT-18UR3TJA1Hisense1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  9. 734AUWR-18U3RJ1with ducted air handler AUH-18UX3RFH1Hisense1.5 tons · 18,000 Btu/h · DuctedGood2.00
  10. 735MOM18H2BH3AInnovair1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  11. 736MOM18H2BH3BInnovair1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  12. 737QOS18H2BH0Awith ductless indoor unit QCS18H2BHRAInnovair1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  13. 738KOB-HH-PS218HP-2AAMAKaden1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  14. 739KOB-HH-PS318HP-2AAMAKaden1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  15. 740KOB-UUX18HP-2AAMAwith ducted air handler KIB-UUX18AH-2AAMAKaden1.5 tons · 18,000 Btu/h · DuctedGood2.00
  16. 741KWSMO-18IR454BHS20KANIONco1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  17. 742KEENHYZHP20AAKEEN Home1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  18. 743KEENSTDHP18AAwith ducted air handler KEENHYDAH18AAKEEN Home1.5 tons · 18,000 Btu/h · DuctedGood2.00
  19. 744A-KZP15SA-1with ducted air handler B-KZP15SA-1Kerr Kapstone1.5 tons · 15,000 Btu/h · DuctedGood2.00
  20. 745A-KHP183A-1Kerr1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  21. 746A-ZKP15SA-1with ducted air handler B-ZKP15SA-1Kerr1.5 tons · 15,000 Btu/h · DuctedGood2.00
  22. 747KMHR319-H221-4KLIMAIRE1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  23. 7487SHP15V18P-**Awith ducted air handler 7AH1RE18DX-Lennox (sold as Allied)1.5 tons · 18,600 Btu/h · DuctedGood2.00
  24. 749A-VHP183A-1Lennox (sold as Comfort-Aire)1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  25. 750A-ZHP15SA-1with ducted air handler B-ZHP15SA-1Lennox (sold as Comfort Aire)1.5 tons · 15,000 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