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

  1. 751H27FMH22XPCTCL2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  2. 752H27FMH24XQCTCL2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  3. 753H27FMHD4XPCTCL2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  4. 754H36FMH21XPCTCL3 tons · 35,000 Btu/h · DuctlessGood2.00
  5. 755H36FMH22XQCTCL3 tons · 38,000 Btu/h · DuctlessGood2.00
  6. 756H36FMHD5XPCTCL3 tons · 36,000 Btu/h · DuctlessGood2.00
  7. 757TMH27HDI2NAO0U*TCL2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  8. 758TMH27HDI2NAO0U25TCL2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  9. 759TMH27HDI2NAO0U25*TCL2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  10. 760TMH27HEI2NAO0U24TCL2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  11. 761TMH27HEI2NAO0U24*TCL2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  12. 762TMH27HEI2NAS0U25TCL2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  13. 763TMH27HEI2NAS0U25*TCL2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  14. 764TMH36HDI2NAO0U*TCL3 tons · 38,000 Btu/h · DuctlessGood2.00
  15. 765TMH36HDI2NAO0U25TCL3 tons · 38,000 Btu/h · DuctlessGood2.00
  16. 766TMH36HDI2NAO0U25*TCL3 tons · 38,000 Btu/h · DuctlessGood2.00
  17. 767TMH36HEI2NAM5U24TCL3 tons · 35,000 Btu/h · DuctlessGood2.00
  18. 768TMH36HEI2NAM5U24*TCL3 tons · 35,000 Btu/h · DuctlessGood2.00
  19. 769TMH36HEI2NAS0U25TCL3 tons · 36,000 Btu/h · DuctlessGood2.00
  20. 770TMH36HEI2NAS0U25*TCL3 tons · 36,000 Btu/h · DuctlessGood2.00
  21. 771TSMZHH274Z2R5TEMP SHIFT2.5 tons · 28,000 Btu/h · DuctedGood2.00
  22. 772TSMZHH365Z2R5TEMP SHIFT3 tons · 36,000 Btu/h · DuctedGood2.00
  23. 773SAC003-B-28KWH-USTPTemprium2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  24. 774SAC003-B-36KWH-USTPTemprium3 tons · 38,000 Btu/h · DuctlessGood2.00
  25. 775ARHCPT36ASwith ductless indoor unit AWHCPT36STGM3 tons · 33,600 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