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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. 26YH418E2S11with ducted air handler C/SEHX-19-**-EP-1C80+CF019SCUB+TXV+TDRYork1.5 tons · 16,000 Btu/h · DuctedTop 10%2.74
  2. 27YH518E2S11with ducted air handler C/SEHX-19-**-EP-1C80+CF019SCUB+TXV+TDRYork1.5 tons · 16,000 Btu/h · DuctedTop 10%2.74
  3. 28BOHA-24MTB-M18Swith ducted air handler AE*S+CM24C3K+TDRBosch1.5 tons · 20,600 Btu/h · DuctedTop 10%2.73
  4. 29TZP15AY18AJ2Nwith ducted air handler L(E,F)W30BJTHERMAL ZONE1.5 tons · 16,400 Btu/h · DuctedTop 10%2.73
  5. 3027SCA524A**30*with indoor coil C(A,C,D,E)24A3J+TDR and furnace 59TP6C100V21**20Carrier1.5 tons · 20,600 Btu/h · DuctedTop 10%2.69
  6. 31WP15AY18AJ2Nwith ducted air handler PE(S,T)28JRheem (sold as Weatherking)1.5 tons · 16,300 Btu/h · DuctedTop 10%2.68
  7. 32BOHA-24RTB-M18Swith ducted air handler AE*S+CM24C3K+TDRBosch1.5 tons · 20,600 Btu/h · DuctedTop 10%2.67
  8. 33SUZ-CA09NLH***with ductless indoor unit MFZ-KX09NLMitsubishi Electric1 ton · 9,000 Btu/h · DuctlessTop 10%2.67
  9. 345TWR4018A1with indoor coil DH36T4J and furnace *UHMB080CCV3Trane1.5 tons · 18,000 Btu/h · DuctedTop 10%2.66
  10. 35NS15H18HA5***with ducted air handler D(A,C,E)30B3J+TDRGE Appliances1.5 tons · 17,000 Btu/h · DuctedTop 10%2.64
  11. 365TWR5018A1with indoor coil DH36T4J and furnace *UHMB060CCV3Trane1.5 tons · 18,000 Btu/h · DuctedTop 10%2.64
  12. 375TWX5018A1with indoor coil DH36T4J and furnace *UHMB060CCV3Trane1.5 tons · 18,000 Btu/h · DuctedTop 10%2.64
  13. 38A7HP14F18P-**Awith indoor coil D(A,C,E)30B4J+TDR and furnace A80UH1E070A12Lennox (sold as Armstrong Air)1.5 tons · 17,200 Btu/h · DuctedTop 10%2.62
  14. 395A6H4018A1with ducted air handler CM24D3J+TDRTrane (sold as American Standard)1.5 tons · 17,600 Btu/h · DuctedTop 10%2.62
  15. 40A5HP4018A1with ducted air handler CM24B3J+TDRTrane (sold as Runtru)1.5 tons · 17,100 Btu/h · DuctedTop 10%2.62
  16. 41WFPU17Y243Dwith ducted air handler AE*S+CM36B2J+TDRFriedrich1.5 tons · 20,400 Btu/h · DuctedTop 10%2.61
  17. 42KUSXE181Awith ducted air handler L(E,F)W30CDLG1.5 tons · 15,700 Btu/h · DuctedTop 10%2.61
  18. 43SUZ-CA18NLH***with ducted air handler SEZ-AD18NLMitsubishi Electric1.5 tons · 18,000 Btu/h · DuctedTop 10%2.61
  19. 44PAS-18BUFASDQ1-LACwith ductless indoor unit PCI-B18UFA1DQHITACHI1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.60
  20. 455A6H5018A1with indoor coil D(A,C,E)30A3J+TDR and furnace S9V2B060U3VSATrane (sold as American Standard)1.5 tons · 16,600 Btu/h · DuctedTop 10%2.60
  21. 46YPAS18BUFASDQ1with ductless indoor unit YPCIB18UFA1DQYork1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.60
  22. 47PAS-18BUFASDQ1with ductless indoor unit PCI-B18UFA1DQHITACHI1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.59
  23. 487HP14F18P-**Awith indoor coil D(A,C,E)30B3J+TDR and furnace 80G1UH070AE12Lennox (sold as Concord)1.5 tons · 16,900 Btu/h · DuctedTop 10%2.59
  24. 495A6H6018A1with ducted air handler L(E,F)W36DJTrane (sold as American Standard)1.5 tons · 18,000 Btu/h · DuctedTop 10%2.59
  25. 505TWR6018A1with ducted air handler L(E,F)W36DJTrane1.5 tons · 18,000 Btu/h · DuctedTop 10%2.59

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