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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. 501ML12HP115NEX-Owith ductless indoor unit ML12HP115NEX-IRheem (sold as Mainline)1 ton · 12,000 Btu/h · DuctlessGreat2.21
  2. 502ML12HP115WIN-Owith ductless indoor unit ML12HP115WIN-IRheem (sold as Mainline)1 ton · 12,000 Btu/h · DuctlessGreat2.21
  3. 503ML12HP230WIN-Owith ductless indoor unit ML12HP230WIN-IRheem (sold as Mainline)1 ton · 12,000 Btu/h · DuctlessGreat2.21
  4. 504SHC09AE1AGwith ductless indoor unit SHM09AE1AGSLIMAIR1 ton · 9,000 Btu/h · DuctlessGreat2.21
  5. 505SHC12AE1AGwith ductless indoor unit SHM12AE1AGSLIMAIR1 ton · 12,000 Btu/h · DuctlessGreat2.21
  6. 506IS12H/O6S41Rwith ductless indoor unit IS12H/I6S41RTRUST AIR CONDITIONERS1 ton · 12,000 Btu/h · DuctlessGreat2.21
  7. 507WOS-09QUA/115with ductless indoor unit WIHW-09QUA/115Wells1 ton · 9,000 Btu/h · DuctlessGreat2.21
  8. 508WOS-12ECO/115with ductless indoor unit WIHW-12ECO/115Wells1 ton · 12,000 Btu/h · DuctlessGreat2.21
  9. 509WOS-12ECO/230with ductless indoor unit WIHW-12ECO/230Wells1 ton · 12,000 Btu/h · DuctlessGreat2.21
  10. 510WOS-12QUA/115with ductless indoor unit WIHW-12QUA/115Wells1 ton · 12,000 Btu/h · DuctlessGreat2.21
  11. 511ZMSB-12HV110-USHHR2-Owith ductless indoor unit ZMSB-12HV110-USHHR2-IZERO1 ton · 12,000 Btu/h · DuctlessGreat2.21
  12. 512AO25-18N2-M1Hwith ducted air handler AAH-18N2-BM1AI AIR CONDITIONING1.5 tons · 18,000 Btu/h · DuctedGreat2.20
  13. 513ASG24-12H220V1Bwith ductless indoor unit ASG24-12H220V1AApooDr1 ton · 12,000 Btu/h · DuctlessGreat2.20
  14. 514ASW-H18E3C2/**R3DI-C3with ductless indoor unit ASW-H18E3C2/**R3DI-C3AUFIT1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  15. 515ASW-H18E3C2/*R3DI-C3with ductless indoor unit ASW-H18E3C2/*R3DI-C3AUFIT1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  16. 516AJAN18HP230V1COwith ductless indoor unit AJAN18HP230V1CHAUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  17. 517AMAR12HP230V1COwith ductless indoor unit AMAR12HP230V1CHAUX1 ton · 12,000 Btu/h · DuctlessGreat2.20
  18. 518AS-H18E3A2/**R3DI-C0with ductless indoor unit AW-H18E3A2/**R3DI-C0AUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  19. 519AS-H18E3A2/*R3DI-C0with ductless indoor unit AW-H18E3A2/*R3DI-C0AUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  20. 520ASW-H18E3A2/**R3DI-C0with ductless indoor unit ASW-H18E3A2/**R3DI-C0AUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  21. 521ASW-H18E3A2/*R3DI-C0with ductless indoor unit ASW-H18E3A2/*R3DI-C0AUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  22. 522ASW-H18E3C2/**R3DI-C3with ductless indoor unit ASW-H18E3C2/**R3DI-C3AUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  23. 523ASW-H18E3C2/*R3DI-C3with ductless indoor unit ASW-H18E3C2/*R3DI-C3AUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  24. 524AUM20SW18HP230V1/Owith ductless indoor unit AUM20SW18HP230V1/HAUX1.5 tons · 18,000 Btu/h · DuctlessGreat2.20
  25. 525BADG-12HFN10-B1Lwith ductless indoor unit BADG-12HRDN10-B1LBADGER1 ton · 12,000 Btu/h · DuctlessGreat2.20

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