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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. 1426OAH-MZ18K-208-PR-OORTECH1.5 tons · 17,700 Btu/h · DuctlessGood2.00
  2. 1427OAH-SZ12K-208-PR-Owith ductless indoor unit OAH-SZ12K-208-PR-HORTECH1 ton · 12,000 Btu/h · DuctlessGood2.00
  3. 1428OARX-H12A-Owith ductless indoor unit OARX-H12A-IOUELLET1 ton · 12,000 Btu/h · DuctlessGood2.00
  4. 1429OFRM2X1-H18A-OOUELLET1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  5. 1430CU-3YM18CBUCPanasonic1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  6. 14314PAMS18-HH-MZO2PERFECTAIRE1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  7. 14324PAMS18-HH-MZO3PERFECTAIRE1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  8. 14334PAMSHH18-SZOwith ductless indoor unit 4PAMSHH18-UVWPERFECTAIRE1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  9. 1434YN012GLUI25RPQwith ductless indoor unit WT012GLUI25FVQPioneer1 ton · 12,000 Btu/h · DuctlessGood2.00
  10. 1435YN020GLSI24M2GPioneer1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  11. 1436PIAWMZ1882280ABPREMIUM LEVELLA1.5 tons · 17,700 Btu/h · DuctlessGood2.00
  12. 1437CMPRN122-W1with ductless indoor unit EMPRN122-W1PRIME1 ton · 12,000 Btu/h · DuctlessGood2.00
  13. 1438PMUL-H3P-18HP-MProair1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  14. 1439QO1-M2Z18-NC-NAwith ductless indoor unit QI1-M09-N-NAQuilt1.5 tons · 16,000 Btu/h · DuctlessGood2.00
  15. 1440RDZ-18MHP-230V-ORAMSOND1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  16. 1441FPHFR18A3Dwith ductless indoor unit FPHFC18A3DRheem1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  17. 1442FPHSR12A3Dwith ductless indoor unit FAHFW12A3DRheem1 ton · 12,000 Btu/h · DuctlessGood2.00
  18. 1443FSHSR09B1Cwith ductless indoor unit FAHSW09A1CRheem1 ton · 9,000 Btu/h · DuctlessGood2.00
  19. 1444ML06HP230CALH-Owith ductless indoor unit ML06HP230CALH-IRheem (sold as Mainline)0.5 tons · 6,000 Btu/h · DuctlessGood2.00
  20. 1445ML09HP230CALH-Owith ductless indoor unit ML09HP230CALH-IRheem (sold as Mainline)1 ton · 9,000 Btu/h · DuctlessGood2.00
  21. 1446ML12HP230CALH-Owith ductless indoor unit ML12HP230CALH-IRheem (sold as Mainline)1 ton · 12,000 Btu/h · DuctlessGood2.00
  22. 1447ML18HP230MULH-ORheem (sold as Mainline)1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  23. 1448ML18HP230MULH-O*Rheem (sold as Mainline)1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  24. 1449RV18M2/19-OROVSUN1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  25. 1450RV-18M2/O-RROVSUN1.5 tons · 18,000 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