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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. 1201AH30H/O64Pwith ducted air handler AH30H/I64PTRUST AIR CONDITIONERS2.5 tons · 30,000 Btu/h · DuctedGood2.00
  2. 1202AH36H/O64Pwith ducted air handler AH36H/I64PTRUST AIR CONDITIONERS3 tons · 36,000 Btu/h · DuctedGood2.00
  3. 1203M4H27HN/O6S4PTRUST AIR CONDITIONERS2.5 tons · 28,000 Btu/h · DuctedGood2.00
  4. 1204M4H27HS/O6S4PTRUST AIR CONDITIONERS2.5 tons · 28,000 Btu/h · DuctedGood2.00
  5. 1205M5H36HN/O6S4PTRUST AIR CONDITIONERS3 tons · 36,000 Btu/h · DuctedGood2.00
  6. 1206M5H36HS/O6S4PTRUST AIR CONDITIONERS3 tons · 36,000 Btu/h · DuctedGood2.00
  7. 1207M5S36HN/O6S4PTRUST AIR CONDITIONERS3 tons · 35,000 Btu/h · DuctlessGood2.00
  8. 1208M5S36HS/O6S4PTRUST AIR CONDITIONERS3 tons · 35,000 Btu/h · DuctlessGood2.00
  9. 1209D5CMHAH30EAKViessmann2.5 tons · 30,000 Btu/h · DuctlessGood2.00
  10. 1210D5CMHAH36EAKViessmann3 tons · 36,000 Btu/h · DuctlessGood2.00
  11. 1211D5CSHAH33AAKwith ducted air handler D5FSAAH36XBKViessmann3 tons · 33,000 Btu/h · DuctedGood2.00
  12. 1212D5CSRAH36AAKwith ducted air handler D5FSAAH36XBKViessmann3 tons · 36,000 Btu/h · DuctedGood2.00
  13. 1213D5CUHAH30AAKwith ducted air handler D5MUWAQ30XA3Viessmann2.5 tons · 30,000 Btu/h · DuctedGood2.00
  14. 1214D5CURAH30AAKwith ducted air handler D5FUAAH30XAKViessmann2.5 tons · 30,000 Btu/h · DuctedGood2.00
  15. 1215URHT-27FM3N4VKIN2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  16. 1216URHT-36FM4N4VKIN3 tons · 35,000 Btu/h · DuctlessGood2.00
  17. 1217WDHP-36RHwith ducted air handler WDAH-36MOCWells3 tons · 36,000 Btu/h · DuctedGood2.00
  18. 1218WOM-27HH4/230Wells2.5 tons · 28,000 Btu/h · DuctedGood2.00
  19. 1219WOM-36HH5/230Wells3 tons · 36,000 Btu/h · DuctedGood2.00
  20. 1220WOM-36RH5/230Wells3 tons · 35,000 Btu/h · DuctlessGood2.00
  21. 1221WOS-33PRE/230with ducted air handler WIAH-36MOC/230Wells3 tons · 33,000 Btu/h · DuctedGood2.00
  22. 1222XHU36HPV1AOwith ducted air handler XHU36HPV1AIXTRON3 tons · 35,000 Btu/h · DuctedGood2.00
  23. 1223XM5-H42/2DR3AXTRON3 tons · 37,000 Btu/h · DuctlessGood2.00
  24. 1224RH430E2S11with ducted air handler JHE30B5AD2SS1York (sold as Guardian)2.5 tons · 30,000 Btu/h · DuctedGood2.00
  25. 1225XH936E2C11with ducted air handler JHC36B5AD2SS1+CCYork (sold as Coleman)3 tons · 35,000 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