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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, 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 137MUHAQ18AA3with indoor coil D(A,C,E)31A3J+TDR and furnace 58SU*B080M21**20Carrier1.5 tons · 17,200 Btu/h · DuctedTop 10%3.30
  2. 2HH824E2S11with indoor coil D(A,C,E)37E2J+TDR and furnace Y82E080B12LMPS1York1.5 tons · 20,600 Btu/h · DuctedTop 10%3.20
  3. 337MUHAQ18AA3+TIC2025-0016with ducted air handler L(E,G)M36DJCarrier1.5 tons · 18,000 Btu/h · DuctedTop 10%3.18
  4. 4KUSXB181Awith ducted air handler D(A,C,E)30C3D+TDRLG1.5 tons · 16,800 Btu/h · DuctedTop 10%3.17
  5. 5RP15AY24AJ2Nwith ducted air handler AEN+CM24C2J+TDRRheem (sold as RUUD)1.5 tons · 20,600 Btu/h · DuctedTop 10%3.05
  6. 6KUSXA181Awith ducted air handler D(A,C,E)25C3D+TDRLG1.5 tons · 16,900 Btu/h · DuctedTop 10%3.01
  7. 7SUZ-AA09NL***with ducted air handler PEAD-AA09NLMitsubishi Electric1 ton · 9,000 Btu/h · DuctedTop 10%3.00
  8. 85TWV0X24A1with indoor coil D(A,C,E)36C3J+TDR and furnace S8V2B060M4PCBTrane1.5 tons · 19,800 Btu/h · DuctedTop 10%2.99
  9. 9KUSXB241Awith ducted air handler D(A,C,E)30C3D+TDRLG1.5 tons · 20,400 Btu/h · DuctedTop 10%2.95
  10. 10ACIQ-18-HPDwith ducted air handler CM24A2J+TDRACIQ1.5 tons · 16,100 Btu/h · DuctedTop 10%2.93
  11. 11SUZ-AA18NL***with ducted air handler SEZ-AD18NLMitsubishi Electric1.5 tons · 18,000 Btu/h · DuctedTop 10%2.93
  12. 125A6V0X24A1with indoor coil D(A,C,E)24B4J+TDR and furnace L8V1A060U3VSB+LRPTrane (sold as American Standard)1.5 tons · 19,500 Btu/h · DuctedTop 10%2.93
  13. 13HH824E2S12with indoor coil D(A,C,E)37E2K+TDR and furnace TM9E060B12MP12York (sold as Coleman)1.5 tons · 20,600 Btu/h · DuctedTop 10%2.93
  14. 145A6V8X24A1with indoor coil D(A,C,E)24B4J+TDR and furnace S8V2A040M3PCBTrane (sold as American Standard)1.5 tons · 19,500 Btu/h · DuctedTop 10%2.91
  15. 1537MURAQ18AA3with ducted air handler D(A,C,E)31A3J+TDRCarrier1.5 tons · 17,900 Btu/h · DuctedTop 10%2.90
  16. 16KUSXA241Awith ducted air handler D(A,C,E)25C3D+TDRLG1.5 tons · 20,200 Btu/h · DuctedTop 10%2.88
  17. 17RP15AY18AJ2Nwith ducted air handler AEN+CM24C2J+TDRRheem (sold as RUUD)1.5 tons · 15,400 Btu/h · DuctedTop 10%2.88
  18. 18D5CUHAH18AAKwith ducted air handler D(A,C,E)30A3J+TDRCarrier (sold as Tempstar)1.5 tons · 17,700 Btu/h · DuctedTop 10%2.86
  19. 19SUZ-AA15NL***with ductless indoor unit MSZ-EX15NLBMitsubishi Electric1.5 tons · 15,000 Btu/h · DuctlessTop 10%2.84
  20. 20D5CURAH18AAKwith ducted air handler D(A,C,E)30A3J+TDRCarrier (sold as Tempstar)1.5 tons · 17,700 Btu/h · DuctedTop 10%2.83
  21. 21RD18AY24AJVCwith ducted air handler L(E,G)M24FJRheem1.5 tons · 19,600 Btu/h · DuctedTop 10%2.83
  22. 22SUZ-CA15NLH***with ductless indoor unit MFZ-KX15NLMitsubishi Electric1.5 tons · 15,000 Btu/h · DuctlessTop 10%2.79
  23. 23XH418E2S11with indoor coil D(A,C,E)30D2K+TDR and furnace Z8ES040A12SMPS1York (sold as Champion Heating and Cooling)1.5 tons · 16,300 Btu/h · DuctedTop 10%2.79
  24. 24RH418E2S11with ducted air handler PE(S,T)23JYork (sold as Guardian)1.5 tons · 16,000 Btu/h · DuctedTop 10%2.74
  25. 25XH518E2S11with indoor coil D(A,C,E)24D2K+TDR and furnace Z8ES040A12SMPS1York (sold as Champion Heating and Cooling)1.5 tons · 16,000 Btu/h · DuctedTop 10%2.74

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