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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, 2.5–3 tons: every model, highest efficiency on a 5°f day first

One size class at a time, so the numbers compare directly.

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

  1. 1101EZCENO30Kwith ducted air handler EZCENI30KNG Trade2.5 tons · 30,000 Btu/h · DuctedGood2.00
  2. 1102EZCENO36Kwith ducted air handler EZCENI36KNG Trade3 tons · 36,000 Btu/h · DuctedGood2.00
  3. 1103MOBMH360DNG Trade3 tons · 35,000 Btu/h · DuctlessGood2.00
  4. 1104LEA24MZ4P26-ONOVAIR2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  5. 1105LEA30MZ4P36-ONOVAIR2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  6. 1106LEA36MZ5P36-ONOVAIR3 tons · 36,000 Btu/h · DuctlessGood2.00
  7. 1107N5OD30-36HFN10-M1D-DNutech3 tons · 35,000 Btu/h · DuctlessGood2.00
  8. 1108NOD30-30HFN10-M3with ducted air handler NVBC-30HWFN10-MC3E-DNutech2.5 tons · 30,000 Btu/h · DuctedGood2.00
  9. 1109NOD30-36HFN10-M3with ducted air handler NVBC-36HWFN10-MC3E-DNutech3 tons · 36,000 Btu/h · DuctedGood2.00
  10. 1110OAH-AHU36K-PR-Owith ducted air handler OAH-AHU36K-PR-DORTECH3 tons · 35,000 Btu/h · DuctedGood2.00
  11. 1111OFLX1-H36A-Owith ducted air handler OAHX1-H36A-IOUELLET3 tons · 34,000 Btu/h · DuctedGood2.00
  12. 1112ORT-H36DEMR3-M01/SE180OUTES3 tons · 33,000 Btu/h · DuctedGood2.00
  13. 1113CU-4YM27CBUCPanasonic2.5 tons · 28,000 Btu/h · DuctedGood2.00
  14. 1114CU-5YM36CBUCPanasonic3 tons · 36,000 Btu/h · DuctedGood2.00
  15. 1115CU-M30BAHUwith ducted air handler CS-HM30BAHUPanasonic2.5 tons · 30,000 Btu/h · DuctedGood2.00
  16. 1116CU-M36BAHUwith ducted air handler CS-HM36BAHUPanasonic3 tons · 36,000 Btu/h · DuctedGood2.00
  17. 11174PAMS27-HH-MZO3PERFECTAIRE2.5 tons · 28,000 Btu/h · DuctedGood2.00
  18. 11184PAMS27-HH-MZO4PERFECTAIRE2.5 tons · 28,000 Btu/h · DuctedGood2.00
  19. 11194PAMS36-HH-MZO4PERFECTAIRE3 tons · 36,000 Btu/h · DuctedGood2.00
  20. 11204PAMS36-HH-MZO5PERFECTAIRE3 tons · 36,000 Btu/h · DuctedGood2.00
  21. 1121YN030GLSI24M3GPioneer2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  22. 1122YN040GLSI24M4GPioneer3 tons · 35,000 Btu/h · DuctlessGood2.00
  23. 1123EZ-36-EHPBwith ducted air handler EZ-36-AHBPolarWave3 tons · 36,000 Btu/h · DuctedGood2.00
  24. 1124EZ-36Z-M4BPolarWave3 tons · 34,000 Btu/h · DuctlessGood2.00
  25. 1125P25-36CENHP-R454with ducted air handler PAC-36B24T-INTProair3 tons · 36,000 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