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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 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 tons (21,000–26,999 Btu/h cooling). What size is my system?

  1. 551TM24D6MOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  2. 552TM24H32MOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  3. 553TM24R32MOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  4. 554TM24WH21MOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  5. 555TMH24D32MOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  6. 556TMH24D32NOGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  7. 557TMSCI7H4R24Gree (sold as Tosot)2 tons · 24,000 Btu/h · DuctlessGood2.00
  8. 558TU24-32WEDUwith ducted air handler TUD24-32AH2EDUGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctedGood2.00
  9. 559TU24-R32WEDUwith ducted air handler TUD24-R32AHEDUGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctedGood2.00
  10. 560TU24W-EDUwith ducted air handler TUD24AH2-EDUGree (sold as Tosot)2 tons · 24,000 Btu/h · DuctedGood2.00
  11. 561TUD36-24W2/NHE-D(U)with ducted air handler TUD24AH2/NHG-D(U)Gree (sold as Tosot)2 tons · 24,000 Btu/h · DuctedGood2.00
  12. 562HOC24Bwith ducted air handler HAH24BHessaire2 tons · 24,000 Btu/h · DuctedGood2.00
  13. 563AOH-24T3T25Uwith ducted air handler AHU-24U3T24Hisense2 tons · 24,000 Btu/h · DuctedGood2.00
  14. 564AOU-24U3T25Uwith ductless indoor unit ACU-24U3T25UHisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  15. 565AUW-24U3TK1with ductless indoor unit ACT-24UR3TJA1Hisense2 tons · 24,000 Btu/h · DuctlessGood2.00
  16. 566RAM-X24N3HBAHITACHI2 tons · 24,000 Btu/h · DuctedGood2.00
  17. 567QOS24H2BH0Awith ductless indoor unit QCS24H2BHRAInnovair2 tons · 24,000 Btu/h · DuctlessGood2.00
  18. 568COH17S-36AD*with ducted air handler CVEED-24BEInverterCool2 tons · 24,000 Btu/h · DuctedGood2.00
  19. 569KEENSTZHP27AAKEEN Home2 tons · 26,000 Btu/h · DuctlessGood2.00
  20. 570KMIR427-H225-4KLIMAIRE2 tons · 26,000 Btu/h · DuctlessGood2.00
  21. 571D5CMHAH24DAKLPS Legacy2 tons · 24,000 Btu/h · DuctlessGood2.00
  22. 572D5CMRAH24DAKLPS Legacy2 tons · 24,000 Btu/h · DuctlessGood2.00
  23. 573TSDUC24CD2VIR45I*Manuflow2 tons · 22,000 Btu/h · DuctedGood2.00
  24. 57437MGHAQ24DA3Midea2 tons · 24,000 Btu/h · DuctlessGood2.00
  25. 57537MGRAQ24DA3Midea2 tons · 24,000 Btu/h · DuctlessGood2.00

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