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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. 901WOM-48RH6/230Wells4 tons · 45,000 Btu/h · DuctlessGreat2.10
  2. 902WOM-60HH6/230Wells4.5 tons · 53,000 Btu/h · DuctedGood2.10
  3. 903WLP15AY42AJ2Nwith ducted air handler WLH2TY4821STANNWHIRLPOOL3.5 tons · 40,000 Btu/h · DuctedGood2.10
  4. 904FLEX60KUHR32with ducted air handler FLEXAH60KR32WILLIS4.5 tons · 53,000 Btu/h · DuctedGood2.10
  5. 905MZUHW42KR32-OWILLIS3.5 tons · 42,000 Btu/h · DuctlessGreat2.10
  6. 906XHU48HPV1AOwith ducted air handler XHU48HPV1AIXTRON4 tons · 48,000 Btu/h · DuctedGood2.10
  7. 907YOHA2-60CBwith ducted air handler YAHA2-48CBYISO4 tons · 47,000 Btu/h · DuctedGood2.10
  8. 908YDC60E2D11with ducted air handler JDU48F5XX2DS1York4 tons · 48,500 Btu/h · DuctedGood2.10
  9. 909YPAS48BUFASDQ1with ductless indoor unit YPCIB48UFA1DQYork4 tons · 45,000 Btu/h · DuctlessGreat2.10
  10. 910Z4SOV-48HDMB-USZERO4 tons · 45,000 Btu/h · DuctlessGreat2.10
  11. 911Z4SOV-53HDMB-USHHZERO4.5 tons · 53,000 Btu/h · DuctedGood2.10
  12. 912Z6SOV-48HDMB-USZERO4 tons · 45,000 Btu/h · DuctlessGreat2.10
  13. 913ZOV-48HDGBwith ducted air handler ZAV-48HDGBZERO4 tons · 47,500 Btu/h · DuctedGood2.10
  14. 914ZOV-60HDGBwith ducted air handler ZAV-60HDGBZERO4.5 tons · 55,500 Btu/h · DuctedGood2.10
  15. 91527VNA154A*030*with indoor coil CAA**4821AM*+UI and furnace 58TN*B090C17**16Carrier4 tons · 47,000 Btu/h · DuctedGood2.08
  16. 916291VAN054**AA*with indoor coil CAA**4821AM*+UI and furnace 88*TB48090C17Carrier (sold as Bryant Heating and Cooling Systems)4 tons · 47,000 Btu/h · DuctedGood2.08
  17. 917WSEHV4860BA1-Nwith ducted air handler C(A,C,D,E)48C4J+TDRNAPOLEON4 tons · 45,000 Btu/h · DuctedGood2.05
  18. 9185A5V0X60A1with ducted air handler 5TEMCD07BV51+TDRTrane (sold as American Standard)4 tons · 48,500 Btu/h · DuctedGood2.05
  19. 9195TCV0X60A1with ducted air handler 5TEMCD07BV51+TDRTrane4 tons · 48,500 Btu/h · DuctedGood2.05
  20. 920RZA42AAVJU*with ducted air handler FBA42A*VJUDaikin3.5 tons · 40,500 Btu/h · DuctedGood2.04
  21. 921GK-H04TC/NHA-D(U)Gree4 tons · 47,000 Btu/h · DuctedGood2.04
  22. 922GK-H05TC/NHA-D(U)Gree4.5 tons · 56,000 Btu/h · DuctedGood2.04
  23. 923PKHP-X-048VBCGree (sold as Ac Pro)4 tons · 47,000 Btu/h · DuctedGood2.04
  24. 924PKHP-X-060VBCGree (sold as Ac Pro)4.5 tons · 56,000 Btu/h · DuctedGood2.04
  25. 925TK-H04TC/NHA-D(U)Gree (sold as Tosot)4 tons · 47,000 Btu/h · DuctedGood2.04

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