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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. 876MOX230-17HFN10-M1Lwith ductless indoor unit MSAFC-17HRDN10-M1LMidea (sold as MDV)1.5 tons · 17,000 Btu/h · DuctlessGreat2.10
  2. 877MOX4-18HFN10AEwith ductless indoor unit MSEP-18HFN10AEMidea1.5 tons · 18,000 Btu/h · DuctlessGreat2.10
  3. 878OMZH120Cwith ductless indoor unit OMZH120CMirage1 ton · 12,000 Btu/h · DuctlessGreat2.10
  4. 879OMZH120C*with ductless indoor unit IMZH120CMirage1 ton · 12,000 Btu/h · DuctlessGreat2.10
  5. 880OMZH121Cwith ductless indoor unit OMZH121CMirage1 ton · 12,000 Btu/h · DuctlessGreat2.10
  6. 881OMZH121C*with ductless indoor unit IMZH121CMirage1 ton · 12,000 Btu/h · DuctlessGreat2.10
  7. 882S-RO-SZ18-LA-Qwith ductless indoor unit S-RW-SZ18-LA-QMitsutomo1.5 tons · 17,000 Btu/h · DuctlessGreat2.10
  8. 883MSHEA18C2AN*with ductless indoor unit MWHEA18C2ANMOOVAIR1.5 tons · 18,000 Btu/h · DuctlessGreat2.10
  9. 884MSHMA18C2AN1with ducted air handler GDHRA18C2AS1MOOVAIR1.5 tons · 17,500 Btu/h · DuctedGood2.10
  10. 88518MEZ-M-Bwith ductless indoor unit 18MEW0-HP-BMulti MFG1.5 tons · 17,000 Btu/h · DuctlessGreat2.10
  11. 886MSH-18HD-Bwith ducted air handler 18HHHP0-C-M-BMulti MFG1.5 tons · 17,500 Btu/h · DuctedGood2.10
  12. 887NDHAS26BA-18-Owith ducted air handler NDHASHDBB-18NAPOLEON1.5 tons · 17,500 Btu/h · DuctedGood2.10
  13. 888TSC-NCC454-12HA1/I3TI22with ductless indoor unit TSC-NCC454-12HA1/I3TI22NORTHCO CLIMAT.CA1 ton · 12,000 Btu/h · DuctlessGreat2.10
  14. 889NOVA-HE12-EXTwith ductless indoor unit NOVA-HE12-INTNOVA1 ton · 12,000 Btu/h · DuctlessGreat2.10
  15. 890OAH-SZ12K-115-PR-Owith ductless indoor unit OAH-SZ12K-115-PR-HORTECH1 ton · 12,000 Btu/h · DuctlessGreat2.10
  16. 891SL12000Owith ductless indoor unit SL12000IOvair1 ton · 12,000 Btu/h · DuctlessGreat2.10
  17. 8924PAMSH18B-SZOwith ductless indoor unit 4PAMSH18B-SZWPERFECTAIRE1.5 tons · 17,000 Btu/h · DuctlessGreat2.10
  18. 893YN012ALSI24RPGwith ductless indoor unit WT012ALSI24HLGPioneer1 ton · 12,000 Btu/h · DuctlessGreat2.10
  19. 894YN012GLSI24RPGwith ductless indoor unit WT012GLSI24HLGPioneer1 ton · 12,000 Btu/h · DuctlessGreat2.10
  20. 895PIAW1225080ABwith ductless indoor unit PIAW1225079AAPREMIUM LEVELLA1 ton · 12,000 Btu/h · DuctlessGreat2.10
  21. 896ATW12B1-EBH4O-04with ductless indoor unit ATW12B1-EBH4O-04Puremind1 ton · 12,000 Btu/h · DuctlessGreat2.10
  22. 897ATW12C1-EBH4O-04with ductless indoor unit ATW12C1-EBH4O-04Puremind1 ton · 12,000 Btu/h · DuctlessGreat2.10
  23. 898CTW12B1-EBH4O-04with ductless indoor unit CTW12B1-EBH4O-04Puremind1 ton · 12,000 Btu/h · DuctlessGreat2.10
  24. 899CTW12C1-EBH4O-04with ductless indoor unit CTW12C1-EBH4O-04Puremind1 ton · 12,000 Btu/h · DuctlessGreat2.10
  25. 900PTW12B1-EBH4O-04with ductless indoor unit PTW12B1-EBH4O-04Puremind1 ton · 12,000 Btu/h · DuctlessGreat2.10

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