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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. 51GH5SAN536**AA*with ducted air handler C/SEHX-37-**-EP-1C81+CF037SEUB+TXV+TDRCarrier3 tons · 34,000 Btu/h · DuctedTop 10%2.76
  2. 52SL22KLV-036-230A**with indoor coil D(A,C,E)37D4J+TDR and furnace SLP99UH090XV48CLennox2.5 tons · 32,600 Btu/h · DuctedTop 10%2.76
  3. 5337MUHAQ30AA3with indoor coil D(A,C,E)36A3J+TDR and furnace 82*SB36070V14Carrier (sold as Bryant Heating and Cooling Systems)2.5 tons · 28,600 Btu/h · DuctedTop 10%2.73
  4. 54WLP15AY36AJ2Nwith ducted air handler AE*S+DM36A3J+TDRWHIRLPOOL2.5 tons · 32,400 Btu/h · DuctedTop 10%2.73
  5. 55RP14AY42AJ2Nwith indoor coil DX60F3J+TDR and furnace R801T1505A24UHRheem (sold as RUUD)3 tons · 38,500 Btu/h · DuctedTop 10%2.72
  6. 56PUZ-AK36NL***with ductless indoor unit PLA-AE36NLMitsubishi Electric3 tons · 36,000 Btu/h · DuctlessTop 10%2.70
  7. 57PUZ-AK36NL2***with ductless indoor unit PLA-AE36NLMitsubishi Electric3 tons · 36,000 Btu/h · DuctlessTop 10%2.70
  8. 58THP5036A1000Awith ducted air handler L(E,G)M36EJTUTTOKOOL2.5 tons · 32,400 Btu/h · DuctedTop 10%2.68
  9. 59WP14AY42AJ2Nwith indoor coil D(A,C,E)60C3J+TDR and furnace R801T1505A24UHRheem3 tons · 38,500 Btu/h · DuctedTop 10%2.67
  10. 60235SAN030**AA*with ducted air handler PE(S,T)38JCarrier (sold as Bryant Heating and Cooling Systems)2.5 tons · 27,000 Btu/h · DuctedTop 10%2.66
  11. 61246SAN030**AA*with ducted air handler PE(S,T)38JCarrier (sold as Bryant Heating and Cooling Systems)2.5 tons · 27,000 Btu/h · DuctedTop 10%2.66
  12. 6227SCA536A**30*with indoor coil C(A,C,D,E)36B3J+TDR and furnace 58SU*B080M21**20Carrier2.5 tons · 31,200 Btu/h · DuctedTop 10%2.66
  13. 63GH5SAN530**AA*with ducted air handler PE(S,T)38JCarrier (sold as Bryant Heating and Cooling Systems)2.5 tons · 27,000 Btu/h · DuctedTop 10%2.66
  14. 64R5H5S30*K*AAA*with ducted air handler PE(S,T)38JCarrier (sold as Arcoaire)2.5 tons · 27,000 Btu/h · DuctedTop 10%2.66
  15. 65R5H5S31*K*AAA*with ducted air handler PE(S,T)38JCarrier (sold as Tempstar)2.5 tons · 27,000 Btu/h · DuctedTop 10%2.66
  16. 66SHP1436S1Awith indoor coil D(A,C,E)36B3J+TDR and furnace SGF80S120D5S1ACentury2.5 tons · 31,400 Btu/h · DuctedTop 10%2.66
  17. 67SHP1436S1Awith indoor coil D(A,C,E)36B3J+TDR and furnace SGF80S120D5S1ALennox (sold as Comfort-Aire)2.5 tons · 31,400 Btu/h · DuctedTop 10%2.66
  18. 68RP14AY36AJ2Nwith ducted air handler AE*S+CM36B2J+TDRRheem (sold as RUUD)2.5 tons · 30,400 Btu/h · DuctedTop 10%2.66
  19. 69WP14AY36AJ2Nwith ducted air handler AE*S+CM36B2J+TDRRheem (sold as RUUD)2.5 tons · 30,400 Btu/h · DuctedTop 10%2.66
  20. 70TZP15AY36AJ2Nwith ducted air handler AEW37J+TDRTHERMAL ZONE2.5 tons · 31,600 Btu/h · DuctedTop 10%2.66
  21. 71H5H6S36*K*AAA*with indoor coil D(A,C,E)49A3J+TDR and furnace *80MSU0802120ACarrier (sold as HEIL)2.5 tons · 31,800 Btu/h · DuctedTop 10%2.65
  22. 72N5H5S36*K*AAA*with indoor coil D(A,C,E)36B3J+TDR and furnace *80MS(N,L)1102120ACarrier (sold as HEIL)2.5 tons · 31,000 Btu/h · DuctedTop 10%2.65
  23. 73R5H5S36*K*AAA*with indoor coil D(A,C,E)36B3J+TDR and furnace *80MS(N,L)1102120ACarrier (sold as HEIL)2.5 tons · 31,000 Btu/h · DuctedTop 10%2.65
  24. 74EODA19H-4860AB*with indoor coil D(A,C,E)36C3J+TDR and furnace FG7TC-060D-V24BEcoer2.5 tons · 31,000 Btu/h · DuctedTop 10%2.65
  25. 75N5H5S30*K*AAA*with ducted air handler 97-885+TXV+RDS+TDR+E30B4DCarrier (sold as Maratherm)2.5 tons · 27,600 Btu/h · DuctedTop 10%2.64

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