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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, 3.5–4.5 tons: every model, highest efficiency on a 5°f day first

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

Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

  1. 1201WSH4BE5M2SX60Kwith ducted air handler B65VMMX60K*CNortek Global HVAC (sold as Frigidaire)4.5 tons · 53,500 Btu/h · DuctedGood2.00
  2. 1202LEA48CEN36-Owith ducted air handler LEA48HH-CEN-INOVAIR4 tons · 48,000 Btu/h · DuctedGood2.00
  3. 1203LEA48MZ6P36-ONOVAIR4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  4. 1204NOE30-48HFN10-M2with ducted air handler NTJ-48HWFN10-M2-DNutech4 tons · 48,000 Btu/h · DuctedGood2.00
  5. 1205GLZS4BA4810A*with ducted air handler AMST48CU1300AONE HOUR AIR CONDITIONING AND HEATING4 tons · 45,500 Btu/h · DuctedGood2.00
  6. 1206GLZS4BA6010A*with ducted air handler AMST60DU1300AONE HOUR AIR CONDITIONING AND HEATING4.5 tons · 56,500 Btu/h · DuctedGood2.00
  7. 1207GLZS5BA4810A*with ducted air handler AMST48CU1300AONE HOUR AIR CONDITIONING AND HEATING4 tons · 45,500 Btu/h · DuctedGood2.00
  8. 1208GLZT7CA4810A*with ducted air handler AMVT60DP1300AONE HOUR AIR CONDITIONING AND HEATING4 tons · 47,000 Btu/h · DuctedGood2.00
  9. 1209OAH-AHU48K-CH-Owith ducted air handler OAH-AHU48K-CH-DORTECH4 tons · 48,000 Btu/h · DuctedGood2.00
  10. 1210OAH-AHU60K-CH-Owith ducted air handler OAH-AHU60K-CH-DORTECH4.5 tons · 55,000 Btu/h · DuctedGood2.00
  11. 1211OAH-AHU60K-PR-Owith ducted air handler OAH-AHU60K-PR-DORTECH4.5 tons · 55,000 Btu/h · DuctedGood2.00
  12. 1212OFLX1-H48A-Owith ducted air handler OAHX1-H48A-IOUELLET4 tons · 48,000 Btu/h · DuctedGood2.00
  13. 1213ORT-H60DEMR3-N01/SE180OUTES4.5 tons · 56,000 Btu/h · DuctedGood2.00
  14. 1214CU-6YM48CBUCPanasonic4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  15. 12154PAMS48-HH-MZO5PERFECTAIRE4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  16. 12164PAMS48-HH-MZO6PERFECTAIRE4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  17. 1217YN050GLSI24M5GPioneer3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  18. 1218EZ-48Z-M5BPolarWave3.5 tons · 43,000 Btu/h · DuctlessBelow the middle2.00
  19. 1219PMUL-H6P-48HP-MProair4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  20. 1220ML48HP230LCMH-Owith ducted air handler ML48HP230RS485AHU-IRheem (sold as Mainline)4 tons · 48,000 Btu/h · DuctedGood2.00
  21. 1221ML48HP230LMNTH-Owith ducted air handler ML48HP230G3AHU-IRheem (sold as Mainline)4 tons · 48,000 Btu/h · DuctedGood2.00
  22. 1222ML48HP230MULH-ORheem (sold as Mainline)4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  23. 1223ML48HP230MULH-O*Rheem (sold as Mainline)4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  24. 1224MLP14AY48AJ2Nwith ducted air handler MLH2CY4821STANNRheem (sold as Mainline)4 tons · 45,500 Btu/h · DuctedGood2.00
  25. 1225MLP19AY60AJVCwith ducted air handler MLHMVY6024SEACNRheem (sold as Mainline)4.5 tons · 54,500 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