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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. 17HP14F30P-**Awith indoor coil D(A,C,E)37A3K+TDR and furnace 97G2UH110CE20Lennox (sold as Concord)2.5 tons · 27,400 Btu/h · DuctedTop 10%4.06
  2. 2NS21H36MA5-**Awith indoor coil D(A,C,E)36C3Z+TXV+TDR and furnace NF80U045S3AGE Appliances (sold as GE)2.5 tons · 31,400 Btu/h · DuctedTop 10%4.00
  3. 35TWR4036A1with indoor coil DH60T4J and furnace *UHMC100CCV4Trane2.5 tons · 32,800 Btu/h · DuctedTop 10%3.20
  4. 45A6H5036A1with indoor coil DH36T4J and furnace S9V2C100U5PSCTrane (sold as American Standard)3 tons · 33,600 Btu/h · DuctedTop 10%3.19
  5. 55A6H4036A1with indoor coil DH60T4J and furnace *UHMC100CCV4Trane (sold as American Standard)2.5 tons · 32,800 Btu/h · DuctedTop 10%3.18
  6. 6KUSXA422Awith ducted air handler D(A,C,E)42B4D+TDRLG3 tons · 37,600 Btu/h · DuctedTop 10%3.16
  7. 7KUSXB421Awith ducted air handler D(A,C,E)48D3D+TDRLG3 tons · 38,500 Btu/h · DuctedTop 10%3.11
  8. 8HH836E2S12with indoor coil D(A,C,E)37E3K+TDR and furnace Z8ET100C20LMPS1York (sold as Coleman)2.5 tons · 32,000 Btu/h · DuctedTop 10%3.10
  9. 95TWR5036A1with indoor coil DH60T4J and furnace S8V2B080M4PCBTrane3 tons · 33,200 Btu/h · DuctedTop 10%3.08
  10. 10HH836E2S11with indoor coil D(A,C,E)36B4K+TDR and furnace Y81E080C20LMPS1York3 tons · 33,200 Btu/h · DuctedTop 10%3.08
  11. 11XH536E2S11with indoor coil D(A,C,E)36B4K+TDR and furnace Z8ET120C20LMPS1York (sold as Champion Heating and Cooling)2.5 tons · 32,800 Btu/h · DuctedTop 10%3.08
  12. 12RP15AY42AJ2Nwith ducted air handler AE*L+CM59A4J+TDRRheem (sold as RUUD)3 tons · 37,600 Btu/h · DuctedTop 10%3.06
  13. 13248TAN036**AA*with indoor coil CP37D3J+TDR and furnace 82*TB66135V24Carrier (sold as Bryant Heating and Cooling Systems)3 tons · 34,600 Btu/h · DuctedTop 10%3.05
  14. 145TWX5036A1with indoor coil DH36T4J and furnace S9X1D120U5PSBTrane2.5 tons · 32,000 Btu/h · DuctedTop 10%3.03
  15. 15XH436E2S11with indoor coil D(A,C,E)36B4K+TDR and furnace Z8ET120C20LMPS1York (sold as Champion Heating and Cooling)2.5 tons · 32,800 Btu/h · DuctedTop 10%3.02
  16. 16A5HP5036A1with indoor coil D(A,C,E)36C3J+TDR and furnace A801X080CM5SDTrane (sold as Runtru)2.5 tons · 31,200 Btu/h · DuctedTop 10%3.00
  17. 17KUSXA361Awith ducted air handler D(A,C,E)37C3D+TDRLG2.5 tons · 32,400 Btu/h · DuctedTop 10%2.98
  18. 185A6H7036A1with ducted air handler D(A,C,E)36B4J+TDRTrane (sold as American Standard)2.5 tons · 31,200 Btu/h · DuctedTop 10%2.97
  19. 195TWR7036A1with ducted air handler CM36B4J+TDRTrane2.5 tons · 31,200 Btu/h · DuctedTop 10%2.97
  20. 20A5HP4036A1with indoor coil D(A,C,E)36C3J+TDR and furnace L9X1C100U5VSATrane (sold as Ameristar)2.5 tons · 30,200 Btu/h · DuctedTop 10%2.97
  21. 21XH636E2S11with ducted air handler D(A,C,E)36B4K+JMC20D2SN1+TDRYork (sold as Coleman)3 tons · 34,000 Btu/h · DuctedTop 10%2.96
  22. 22NS15H36HA5***with ducted air handler D(A,C,E)36A4J+TDRGE Appliances2.5 tons · 32,400 Btu/h · DuctedTop 10%2.95
  23. 23YH436E2S11with ducted air handler D(A,C,E)36B4J+JME12B2SN1+TDRYork2.5 tons · 30,600 Btu/h · DuctedTop 10%2.95
  24. 24RP15AY36AJ2Nwith indoor coil D(A,C,E)36D2J+TDR and furnace R98MV0855A21UPRheem2.5 tons · 31,000 Btu/h · DuctedTop 10%2.92
  25. 25RD18AY36AJVCwith ducted air handler C(A,C,D,E)36B3J+TDRRheem2.5 tons · 28,600 Btu/h · DuctedTop 10%2.91

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