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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. 476DIRM4-36LCHX-1Zwith ducted air handler DIRM4-36HP-DUDIRECT AIR3 tons · 36,000 Btu/h · DuctedGreat2.10
  2. 477DRHP15B36AJ2ANwith ducted air handler DRF2TB3624ASTSNDurastar3 tons · 34,200 Btu/h · DuctedGreat2.10
  3. 478EMH-4O36KBBECO AC3 tons · 36,000 Btu/h · DuctlessGreat2.10
  4. 479EDSO-36Hwith ducted air handler EDHS-36UECO-AIR3 tons · 36,000 Btu/h · DuctedGreat2.10
  5. 480EA-RW36DCUwith ducted air handler EA-RW36DAHElectric Air3 tons · 34,200 Btu/h · DuctedGreat2.10
  6. 481EMSO21M36ZE230AENVIAIR3 tons · 36,000 Btu/h · DuctlessGreat2.10
  7. 482FA-H36-VKCE/OD-454with ducted air handler FA-H36-VKCE/AH-454ForestAir3 tons · 34,200 Btu/h · DuctedGreat2.10
  8. 483FRP15AY36AJ2Nwith ducted air handler FRH2VY3621STACNFriedrich3 tons · 34,200 Btu/h · DuctedGreat2.10
  9. 484FOP1536TJAYNAwith ducted air handler FHRNVT3621S*YTCAFujitsu3 tons · 34,200 Btu/h · DuctedGreat2.10
  10. 485WP15AY36AJ2Nwith ducted air handler FHFSTT3624S*YTNAFujitsu3 tons · 34,200 Btu/h · DuctedGreat2.10
  11. 486GS4M36HP230V1MOGree3 tons · 36,000 Btu/h · DuctlessGreat2.10
  12. 487GWHD(36)ND6COGree3 tons · 36,000 Btu/h · DuctlessGreat2.10
  13. 488GWHD(36)ND6MOGree3 tons · 36,000 Btu/h · DuctlessGreat2.10
  14. 489GWHD21-36H4DGree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  15. 490KM36X6OGree (sold as Kinghome)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  16. 491MHPC-D-036BMCGree (sold as Ac Pro)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  17. 492MHPC-H-030BSBwith ducted air handler MMUL-H-030BMBGree (sold as Ac Pro)2.5 tons · 30,000 Btu/h · DuctedGreat2.10
  18. 493MUL36HP230V1R32AOGree3 tons · 36,000 Btu/h · DuctlessGreat2.10
  19. 494MZ-COSMO36/OGree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  20. 495TM36D6MOGree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  21. 496TM36H32MOGree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  22. 497TM36R32MOGree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  23. 498TM36WH21MOGree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  24. 499TMH36D32MOGree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10
  25. 500TMSCI7H4R36Gree (sold as Tosot)3 tons · 36,000 Btu/h · DuctlessGreat2.10

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