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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. 551SAK-36SQN2-M18Mwith ducted air handler SAK-36SQN1-M18MStar Air Kontrol3 tons · 34,000 Btu/h · DuctedGreat2.10
  2. 552GMRSHT36AS4TGM3 tons · 36,000 Btu/h · DuctlessGreat2.10
  3. 5535HCL9036A1000A*with ducted air handler 5TEM9D04AC31SATrane/American Standard3 tons · 36,000 Btu/h · DuctedGreat2.10
  4. 554WLWHD(36)ND6MOTRUENORTH3 tons · 36,000 Btu/h · DuctlessGreat2.10
  5. 555OAH36H/O6S4Pwith ducted air handler IUMDH36H/I63PTRUST AIR CONDITIONERS3 tons · 36,000 Btu/h · DuctedGreat2.10
  6. 556UCHA-36HDCSN2with ducted air handler UCHA-36SHDCALN2UTL3 tons · 34,200 Btu/h · DuctedGreat2.10
  7. 557UCHA-36HDCSN4with ducted air handler UCHA-36HDCN4UTL3 tons · 34,200 Btu/h · DuctedGreat2.10
  8. 558UCHA-36HFDCSN4with ducted air handler UCHA-36HFDCAN4UTL3 tons · 36,000 Btu/h · DuctedGreat2.10
  9. 559D5CLHAH36AAKwith ducted air handler D5FLDAH36XHKViessmann3 tons · 36,000 Btu/h · DuctedGreat2.10
  10. 560D5CSRAH30AAKwith ducted air handler D5FSAAH30XBKViessmann2.5 tons · 30,000 Btu/h · DuctedGreat2.10
  11. 561VHPSD-UCHA-36HDCSN*with ducted air handler VAH-UCHA-36SHDCALN2VillaTherm3 tons · 34,200 Btu/h · DuctedGreat2.10
  12. 562VHPSD-UCHA-36HDCSN4with ducted air handler VAHSD-UCHA-36HDCSN4VillaTherm3 tons · 34,200 Btu/h · DuctedGreat2.10
  13. 563VHP-UCHA-36HDCSN4with ducted air handler VAH-UCHA-36HDCSN4VillaTherm3 tons · 34,200 Btu/h · DuctedGreat2.10
  14. 564VUH36-VA6BA(O)with ducted air handler VUH36-VA6BA(I)VINO3 tons · 34,200 Btu/h · DuctedGreat2.10
  15. 565UCHA-36HDCSN4with ducted air handler UCHA-36HDCN4VKIN3 tons · 34,200 Btu/h · DuctedGreat2.10
  16. 566MZUHW36KR32-OWILLIS3 tons · 36,000 Btu/h · DuctlessGreat2.10
  17. 567XM4-H30/2DR3AXTRON2.5 tons · 30,000 Btu/h · DuctedGreat2.10
  18. 568XM4-H36/2DR3AXTRON3 tons · 36,000 Btu/h · DuctedGreat2.10
  19. 569YDC36E2D11with ducted air handler JDU36F5XX2DS1York3 tons · 36,400 Btu/h · DuctedGreat2.10
  20. 570YPAS36BLFASDQ1with ductless indoor unit YPCIB36UFA1DQYork3 tons · 36,000 Btu/h · DuctlessGreat2.10
  21. 571ZOV-36HDGBwith ducted air handler ZAV-36HDGBZERO3 tons · 34,000 Btu/h · DuctedGreat2.10
  22. 5725DCZ5036A1070BTrane3 tons · 35,400 Btu/h · DuctedGood2.09
  23. 5735WCZ5036A1000BTrane3 tons · 35,200 Btu/h · DuctedGood2.09
  24. 574BAH7-30-15with ducted air handler LCM7-60-15COMFORTSTAR2.5 tons · 28,000 Btu/h · DuctedGood2.08
  25. 575FRP15AY30AJ2Nwith ducted air handler 97-855+TXV+RDS+TDR+E30B4DFriedrich2.5 tons · 27,400 Btu/h · DuctedGood2.08

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