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

  1. 326MO1AS-H24B-2Awith ductless indoor unit MSFNS-H24B-2AMidea2 tons · 24,000 Btu/h · DuctlessGood2.01
  2. 327MOX430-24HFN10-M1Lwith ductless indoor unit MSAFD-24HRDN10-M1LMidea (sold as MDV)2 tons · 24,000 Btu/h · DuctlessGood2.01
  3. 328S-RO-SZ24-LA-Qwith ductless indoor unit S-RW-SZ24-LA-QMitsutomo2 tons · 24,000 Btu/h · DuctlessGood2.01
  4. 32924MEZ-M-Bwith ductless indoor unit 24MEW0-HP-BMulti MFG2 tons · 24,000 Btu/h · DuctlessGood2.01
  5. 3304PAMSH24B-SZOwith ductless indoor unit 4PAMSH24B-SZWPERFECTAIRE2 tons · 24,000 Btu/h · DuctlessGood2.01
  6. 331ML24HP230WIN-Owith ductless indoor unit ML24HP230WIN-IRheem (sold as Mainline)2 tons · 24,000 Btu/h · DuctlessGood2.01
  7. 332WOS-24ECO/230with ductless indoor unit WIHW-24ECO/230Wells2 tons · 24,000 Btu/h · DuctlessGood2.01
  8. 333EZ-24ZPL-HP230Bwith ductless indoor unit EZ-24W-MB1HVAC2 tons · 24,000 Btu/h · DuctlessGood2.00
  9. 334AC-24Z-E-M3ACIQ2 tons · 24,000 Btu/h · DuctlessGood2.00
  10. 335A4MO21-27N2-M1AI AIR CONDITIONING2 tons · 26,000 Btu/h · DuctlessGood2.00
  11. 336AFMKH24-H2AIR MAX2 tons · 24,000 Btu/h · DuctlessGood2.00
  12. 337AC-24Z-E-M3AireForce2 tons · 24,000 Btu/h · DuctlessGood2.00
  13. 338DXH24FMK3IHAireForce2 tons · 24,000 Btu/h · DuctlessGood2.00
  14. 339DXH24FMK3IHAIRTEMP2 tons · 24,000 Btu/h · DuctlessGood2.00
  15. 340SAC-B220-24KOwith ductless indoor unit SAC-B220-24KIALBOTT2 tons · 23,000 Btu/h · DuctlessGood2.00
  16. 341SAC-H220-24KOwith ductless indoor unit SAC-H220-24KIALBOTT2 tons · 24,000 Btu/h · DuctlessGood2.00
  17. 342SE7203P-24Kwith ductless indoor unit SE7203S-24KAntarctic Star2 tons · 23,000 Btu/h · DuctlessGood2.00
  18. 343SE7203PW-24K-ZAZwith ductless indoor unit SE7203SW-24K-ZAZAntarctic Star2 tons · 23,000 Btu/h · DuctlessGood2.00
  19. 344AM4OJ-27HFN1ApooDr2 tons · 26,000 Btu/h · DuctlessGood2.00
  20. 345AP3M24HP230VMOAPOWER2 tons · 24,000 Btu/h · DuctlessGood2.00
  21. 346AM4OJ-27HFN1Aprodr2 tons · 26,000 Btu/h · DuctlessGood2.00
  22. 347AB-GTMR24-230VOArmbridge2 tons · 24,000 Btu/h · DuctlessGood2.00
  23. 348FH24QCA2DI-20USwith ductless indoor unit FWH24QCA2DI-20USAUFIT2 tons · 23,000 Btu/h · DuctlessGood2.00
  24. 349FM3-H24/2DR3AAUFIT2 tons · 24,000 Btu/h · DuctlessGood2.00
  25. 350AM3-H24/2DR3AAUX2 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