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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.

Ductless, 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 Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

  1. 326AM5OG-36HFN1ApooDr3 tons · 35,000 Btu/h · DuctlessGood2.00
  2. 327AP36HP230VAOwith ductless indoor unit AP36HP230VFSIAPOWER3 tons · 33,600 Btu/h · DuctlessGood2.00
  3. 328AM5OG-36HFN1Aprodr3 tons · 35,000 Btu/h · DuctlessGood2.00
  4. 329AB-GTMH36-230VOArmbridge3 tons · 36,000 Btu/h · DuctlessGood2.00
  5. 330AJAN36HP230V1COwith ductless indoor unit AJAN36HP230V1CHAUFIT3 tons · 33,600 Btu/h · DuctlessGood2.00
  6. 331ASW-H36I9A2/**R3DI-B8with ductless indoor unit ASW-H36I9A2/**R3DI-B8AUFIT3 tons · 33,600 Btu/h · DuctlessGood2.00
  7. 332ASW-H36I9A2/*R3DI-B8with ductless indoor unit ASW-H36I9A2/*R3DI-B8AUFIT3 tons · 33,600 Btu/h · DuctlessGood2.00
  8. 333FH36LCA2DI-20USwith ductless indoor unit FWH36LCA2DI-20USAUFIT3 tons · 33,600 Btu/h · DuctlessGood2.00
  9. 334FM5-H42/2DR3AAUFIT3 tons · 37,000 Btu/h · DuctlessGood2.00
  10. 335AJAN36HP230V1COwith ductless indoor unit AJAN36HP230V1CHAUX3 tons · 33,600 Btu/h · DuctlessGood2.00
  11. 336AJAN36HP230V2COwith ductless indoor unit AJAN36HP230V2CHAUX3 tons · 33,600 Btu/h · DuctlessGood2.00
  12. 337AM4-H30/2DR3AAUX2.5 tons · 30,000 Btu/h · DuctlessGood2.00
  13. 338AM4-H36/2DR3AAUX3 tons · 36,000 Btu/h · DuctlessGood2.00
  14. 339AM4-H36/2DR3BAUX3 tons · 36,000 Btu/h · DuctlessGood2.00
  15. 340AM5-H42/2DR3AAUX3 tons · 37,000 Btu/h · DuctlessGood2.00
  16. 341ASPR27HPMULOAUX2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  17. 342ASPR42HPMULOAUX3 tons · 37,000 Btu/h · DuctlessGood2.00
  18. 343ASUM36HPMULOAUX3 tons · 36,000 Btu/h · DuctlessGood2.00
  19. 344ASW-H36I9B2/**R3DI-B8with ductless indoor unit ASW-H36I9B2/**R3DI-B8AUX3 tons · 33,600 Btu/h · DuctlessGood2.00
  20. 345MYTM28NA23BCH18-OBestcold2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  21. 346MYTM28NA2R32BCH18-OBestcold2.5 tons · 28,000 Btu/h · DuctlessGood2.00
  22. 347MYTM37NA23BCH18-OBestcold3 tons · 35,000 Btu/h · DuctlessGood2.00
  23. 348MYTM37NA2R32BCH18-OBestcold3 tons · 38,000 Btu/h · DuctlessGood2.00
  24. 349MYTW27NA23BCH24-OBestcold2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  25. 350MYTW36NA23BCH24-OBestcold3 tons · 35,000 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