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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. 851DRA5U36M2ADurastar3 tons · 35,000 Btu/h · DuctlessGood2.00
  2. 852DRHP15B30AJ2ANwith ducted air handler DRAH2TB3617ASTNNDurastar2.5 tons · 28,400 Btu/h · DuctedGood2.00
  3. 853EHI-O36KBBwith ducted air handler EHI-V36KBBECO AC3 tons · 34,000 Btu/h · DuctedGood2.00
  4. 854ECUO-30Ewith ducted air handler ECMP-30UECO-AIR2.5 tons · 30,000 Btu/h · DuctedGood2.00
  5. 855ECUO-36Ewith ducted air handler ECMP-36UECO-AIR3 tons · 36,000 Btu/h · DuctedGood2.00
  6. 856EDMO-27EECO-AIR2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  7. 857EDMO-27E-4GXECO-AIR (sold as Eco Air)2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  8. 858EDMO-27HECO-AIR2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  9. 859EDMO-27H-4GXECO-AIR (sold as Eco Air)2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  10. 860EDMO-36EECO-AIR3 tons · 36,000 Btu/h · DuctlessGood2.00
  11. 861EDMO-36E-5GXECO-AIR (sold as Eco Air)3 tons · 36,000 Btu/h · DuctlessGood2.00
  12. 862EDMO-36HECO-AIR3 tons · 36,000 Btu/h · DuctlessGood2.00
  13. 863EDMO-36H-5GXECO-AIR (sold as Eco Air)3 tons · 36,000 Btu/h · DuctlessGood2.00
  14. 864ESCA16H-36BBAwith ducted air handler ESCT3036BBAEcoer3 tons · 36,000 Btu/h · DuctedGood2.00
  15. 865ESHEA36R2AN1with ducted air handler GUHMA36RBAS1ELIOS3 tons · 36,000 Btu/h · DuctedGood2.00
  16. 866EXHSA3652AV1ELIOS3 tons · 35,000 Btu/h · DuctlessGood2.00
  17. 867EXHZA2742AV1ELIOS2.5 tons · 28,000 Btu/h · DuctedGood2.00
  18. 868EXHZA3652AV1ELIOS3 tons · 36,000 Btu/h · DuctedGood2.00
  19. 869EMXMZ327DAEMI2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  20. 870EMXMZ436DAEMI3 tons · 36,000 Btu/h · DuctlessGood2.00
  21. 871ECSO19A36FL230Awith ducted air handler ECSI19A36FL230AENVI3 tons · 34,000 Btu/h · DuctedGood2.00
  22. 872CAC3014HA15with ducted air handler L(E,F)W30EJEverwell2.5 tons · 28,200 Btu/h · DuctedGood2.00
  23. 873CAC3614HA15with ducted air handler L(E,F)W36DJEverwell2.5 tons · 32,800 Btu/h · DuctedGood2.00
  24. 874EPKH03625HA-18Everwell3 tons · 36,000 Btu/h · DuctedGood2.00
  25. 875EPKH03625HA-18*Everwell3 tons · 36,000 Btu/h · DuctedGood2.00

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