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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, 3.5–4.5 tons: every model, highest efficiency on a 5°f day first

One size class at a time, so the numbers compare directly.

Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

  1. 12515DCZ5042A1Trane3.5 tons · 42,000 Btu/h · DuctedGood2.00
  2. 12525DCZ5048A1Trane4 tons · 47,000 Btu/h · DuctedGood2.00
  3. 12535WCZ5042A1Trane3.5 tons · 42,000 Btu/h · DuctedGood2.00
  4. 12545WCZ5048A1Trane4 tons · 46,000 Btu/h · DuctedGood2.00
  5. 12555WCZ5048A3Trane4 tons · 46,000 Btu/h · DuctedGood2.00
  6. 12565WCZ5048A4Trane4 tons · 46,000 Btu/h · DuctedGood2.00
  7. 1257M6H48HN/O6S4PTRUST AIR CONDITIONERS4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  8. 1258M6H48HS/O6S4PTRUST AIR CONDITIONERS4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  9. 1259OAH48H/O6S4Pwith ducted air handler IUMDH48H/I63PTRUST AIR CONDITIONERS4 tons · 48,000 Btu/h · DuctedGood2.00
  10. 1260D5CLHAH48AAKwith ducted air handler D5FLAAH48XAKViessmann4 tons · 48,000 Btu/h · DuctedGood2.00
  11. 1261D5CMHAH48FAKViessmann4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  12. 1262D5CUHAH48AAKwith ducted air handler D5FUHAH60XAKViessmann4 tons · 48,000 Btu/h · DuctedGood2.00
  13. 1263URHT-42FM5N4VKIN3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  14. 1264WOM-48HH6/230Wells4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  15. 1265FLEX48KUHR32with ducted air handler FLEXAH48KR32WILLIS4 tons · 48,000 Btu/h · DuctedGood2.00
  16. 1266XHU60HPV1AOwith ducted air handler XHU60HPV1AIXTRON4.5 tons · 55,000 Btu/h · DuctedGood2.00
  17. 1267YOHA3-60DDwith ducted air handler YAHA3-48DEYISO4 tons · 46,000 Btu/h · DuctedGood2.00
  18. 1268PL3C60N00S21AYork (sold as Evcon)4.5 tons · 55,000 Btu/h · DuctedGood2.00
  19. 1269UMC48CN23STG1York (sold as Guardian)3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  20. 1270UPC48CN23STG1with ducted air handler UNI48DT23STG1York (sold as Guardian)3.5 tons · 44,000 Btu/h · DuctedGood2.00
  21. 1271XDV60E2D11with ducted air handler JDE48F5XX2DS1York (sold as Champion Heating and Cooling)4 tons · 47,000 Btu/h · DuctedGood2.00
  22. 1272XH960E2C11with ducted air handler JHC48D5CG2SS1+CCYork (sold as Coleman)4 tons · 48,000 Btu/h · DuctedGood2.00
  23. 1273YDV60E2D11with ducted air handler JDE48F5XX2DS1York4 tons · 47,000 Btu/h · DuctedGood2.00
  24. 1274YH960E2C11with ducted air handler JHC48D5CG2SS1+CCYork4 tons · 48,000 Btu/h · DuctedGood2.00
  25. 1275YRAMG42N5HAAYork3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00

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