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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. 1651THH36TDI2NAF2H26with ducted air handler THH36IDI2NAF2H26THERMOFLUX3 tons · 36,000 Btu/h · DuctedBelow the middle1.80
  2. 1652TMFT36TDI2NAF2H26with ducted air handler TMFT36IDI2NAF2H26THERMOFLUX3 tons · 36,000 Btu/h · DuctedBelow the middle1.80
  3. 16535HCL6036A1000A*with ducted air handler 5TEM7C04AC31SATrane/American Standard3 tons · 36,000 Btu/h · DuctedBelow the middle1.80
  4. 16545WCC4030A1Trane2.5 tons · 29,600 Btu/h · DuctedBelow the middle1.80
  5. 16555WCC4036A1Trane3 tons · 35,200 Btu/h · DuctedBelow the middle1.80
  6. 16565WCC4036A3Trane3 tons · 34,400 Btu/h · DuctedBelow the middle1.80
  7. 16575WCC4036A4Trane3 tons · 34,400 Btu/h · DuctedBelow the middle1.80
  8. 1658A5PH3030A1Trane (sold as Runtru)2.5 tons · 29,600 Btu/h · DuctedBelow the middle1.80
  9. 1659A5PH3036A1Trane (sold as Runtru)3 tons · 35,200 Btu/h · DuctedBelow the middle1.80
  10. 1660PH9E36N00D21York (sold as Champion Heating and Cooling)3 tons · 34,200 Btu/h · DuctedBelow the middle1.80
  11. 1661YRAMX36N4HAAYork3 tons · 36,000 Btu/h · DuctlessBelow the middle1.80
  12. 1662YRAMX36N4HBAYork3 tons · 36,000 Btu/h · DuctlessBelow the middle1.80
  13. 1663ZE-527M325ZEPHYR2.5 tons · 27,000 Btu/h · DuctlessBelow the middle1.80
  14. 1664PH3E36N00S21Carrier (sold as Kenmore)3 tons · 35,400 Btu/h · DuctedBelow the middle1.76
  15. 1665PH3E36N00S21York3 tons · 35,400 Btu/h · DuctedBelow the middle1.76
  16. 1666PH3E36N00S31York3 tons · 35,400 Btu/h · DuctedBelow the middle1.76
  17. 1667PH3E36N00S41York3 tons · 35,400 Btu/h · DuctedBelow the middle1.76
  18. 1668PHM430000K000B*ACIQ2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.75
  19. 1669FSH4BE5M1SP30Kwith ducted air handler B65BMMX30K*BAireForce2.5 tons · 29,000 Btu/h · DuctedBelow the middle1.75
  20. 1670FSH4BE5M1SP36Kwith ducted air handler B65BMMX36K*BAireForce3 tons · 34,200 Btu/h · DuctedBelow the middle1.75
  21. 1671FSH4BF5M2SX36Kwith ducted air handler B65VMMX3648K*CAireForce3 tons · 36,000 Btu/h · DuctedBelow the middle1.75
  22. 1672WSH4BE5M1SP30Kwith ducted air handler B65BMMX30K*BAireForce2.5 tons · 29,000 Btu/h · DuctedBelow the middle1.75
  23. 1673WSH4BE5M1SP36Kwith ducted air handler B65BMMX36K*BAireForce3 tons · 34,200 Btu/h · DuctedBelow the middle1.75
  24. 1674USH4BE5M1SP30Kwith ducted air handler B65BMMX30K-BAirevantage2.5 tons · 29,000 Btu/h · DuctedBelow the middle1.75
  25. 1675USH4BE5M1SP36Kwith ducted air handler B65BMMX36K-BAirevantage3 tons · 34,200 Btu/h · DuctedBelow the middle1.75

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