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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. 1151SZ36H525ZMOwith ducted air handler AH36H525ZMISEA BREEZE+3 tons · 36,000 Btu/h · DuctedGood2.00
  2. 1152SENA-28HF-MOASenville2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  3. 1153SENA-36HF-MOASenville3 tons · 36,000 Btu/h · DuctlessGood2.00
  4. 1154SENTC-36TD-OGwith ducted air handler SENTC-36TD-IGSenville3 tons · 36,000 Btu/h · DuctedGood2.00
  5. 1155SHC30AE224Vwith ducted air handler SHV30AE2AGSLIMAIR2.5 tons · 30,000 Btu/h · DuctedGood2.00
  6. 1156SHC36AE224Vwith ducted air handler SHV36AE2AGSLIMAIR3 tons · 36,000 Btu/h · DuctedGood2.00
  7. 1157SHC4Z27AH2AGSLIMAIR2.5 tons · 28,000 Btu/h · DuctedGood2.00
  8. 1158SHC5Z36AC2AGSLIMAIR3 tons · 35,000 Btu/h · DuctlessGood2.00
  9. 1159SHC5Z36AH2AGSLIMAIR3 tons · 36,000 Btu/h · DuctedGood2.00
  10. 1160S27TZL2C*Star Air Kontrol2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  11. 1161SAK-36FDN2-M18Mwith ducted air handler SAK-36FDN1-M18MStar Air Kontrol2.5 tons · 30,000 Btu/h · DuctedGood2.00
  12. 1162SAK-36-QZ/220VStar Air Kontrol3 tons · 35,000 Btu/h · DuctlessGood2.00
  13. 1163ACIQ-36-HP32with ducted air handler ACIQ-36-AH32Stealth Comfort3 tons · 34,000 Btu/h · DuctedGood2.00
  14. 1164AC-36-HP-E-32with ducted air handler AC-36-AH-E-32STEALTH3 tons · 35,000 Btu/h · DuctedGood2.00
  15. 1165SMZ3B1-H27A-OStelpro2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  16. 1166SMZ3B1V-H27A-OStelpro2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  17. 1167SMZ4B1-H36A-OStelpro3 tons · 36,000 Btu/h · DuctlessGood2.00
  18. 1168SMZ4B1V-H36A-OStelpro3 tons · 36,000 Btu/h · DuctlessGood2.00
  19. 1169H27FMH22XPCTCL2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  20. 1170H27FMHD4XPCTCL2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  21. 1171H36FMH21XPCTCL3 tons · 35,000 Btu/h · DuctlessGood2.00
  22. 1172H36FMHD5XPCTCL3 tons · 36,000 Btu/h · DuctlessGood2.00
  23. 1173TMH27HDI2NAO0U25TCL2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  24. 1174TMH27HDI2NAO0U25*TCL2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  25. 1175TMH27HEI2NAO0U24TCL2.5 tons · 27,000 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