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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. 1326RAC-GJ15WHBAwith ductless indoor unit RAK-GJ15PHBAHITACHI1.5 tons · 15,000 Btu/h · DuctlessGood2.00
  2. 1327F18FMH24XQCiFFALCON1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  3. 1328MOM18H2BH3AInnovair1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  4. 1329MOM18H2BH3BInnovair1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  5. 1330QOS12H2BM0Awith ductless indoor unit QHW12H2UZRAInnovair1 ton · 12,000 Btu/h · DuctlessGood2.00
  6. 1331QOS12H2BM5Awith ductless indoor unit QHW12H2UZRAInnovair1 ton · 12,000 Btu/h · DuctlessGood2.00
  7. 1332QOS18H2BH0Awith ductless indoor unit QCS18H2BHRAInnovair1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  8. 1333KOB-HH-PS218HP-2AAMAKaden1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  9. 1334KOB-HH-PS318HP-2AAMAKaden1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  10. 1335KWSMO-18IR454BHS20KANIONco1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  11. 1336KWSMO-18IR454BHS27RKANIONco1.5 tons · 20,000 Btu/h · DuctlessGood2.00
  12. 1337KEENHYMHP06AAwith ductless indoor unit KEENHYMAH612AKEEN Home0.5 tons · 6,000 Btu/h · DuctlessGood2.00
  13. 1338KEENHYMHP09AAwith ductless indoor unit KEENHYMAH612AKEEN Home0.5 tons · 6,000 Btu/h · DuctlessGood2.00
  14. 1339KEENHYMHP12AAwith ductless indoor unit KEENHYMAH612AKEEN Home0.5 tons · 6,000 Btu/h · DuctlessGood2.00
  15. 1340KEENHYZHP20AAKEEN Home1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  16. 1341KEENSTMHP18AAwith ductless indoor unit KEENSTMAH18AAKEEN Home1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  17. 1342A-KZP06SA-1with ductless indoor unit B-KZP06SA-1Kerr Kapstone0.5 tons · 6,000 Btu/h · DuctlessGood2.00
  18. 1343A-KZP09SA-1with ductless indoor unit B-KZP09SA-1Kerr Kapstone1 ton · 9,000 Btu/h · DuctlessGood2.00
  19. 1344A-KZP12SA-1with ductless indoor unit B-KZP12SA-1Kerr Kapstone1 ton · 12,000 Btu/h · DuctlessGood2.00
  20. 1345A-KHP183A-1Kerr1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  21. 1346A-KZP06SA-1with ductless indoor unit B-ZKP06SA-1Kerr0.5 tons · 6,000 Btu/h · DuctlessGood2.00
  22. 1347A-KZP12SA-1with ductless indoor unit B-ZKP12SA-1Kerr1 ton · 12,000 Btu/h · DuctlessGood2.00
  23. 1348A-KZPO9SA-1with ductless indoor unit B-ZKPO9SA-1Kerr1 ton · 9,000 Btu/h · DuctlessGood2.00
  24. 1349A-ZKP06SA-1with ductless indoor unit B-ZKP06SA-1Kerr0.5 tons · 6,000 Btu/h · DuctlessGood2.00
  25. 1350A-ZKP09SA-1with ductless indoor unit B-ZKP09SA-1Kerr1 ton · 9,000 Btu/h · DuctlessGood2.00

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