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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. 18765WCC4042A1Trane3.5 tons · 43,000 Btu/h · DuctedBelow the middle1.80
  2. 18775WCC4048A1Trane4 tons · 48,000 Btu/h · DuctedBelow the middle1.80
  3. 18785WCC4048A3Trane4 tons · 46,000 Btu/h · DuctedBelow the middle1.80
  4. 18795WCC4048A4Trane4 tons · 46,000 Btu/h · DuctedBelow the middle1.80
  5. 1880A5HL5048A1with indoor coil 5TXCB006AS3 and furnace A952V060BU4SBTrane (sold as Ameristar)3.5 tons · 41,000 Btu/h · DuctedBelow the middle1.80
  6. 1881A5PH3042A1Trane (sold as Runtru)3.5 tons · 43,000 Btu/h · DuctedBelow the middle1.80
  7. 1882A5PH3048A1Trane (sold as Runtru)4 tons · 48,000 Btu/h · DuctedBelow the middle1.80
  8. 1883J5PH4042*Trane (sold as Oxbox)3.5 tons · 40,500 Btu/h · DuctedBelow the middle1.80
  9. 1884J5PH4048*Trane (sold as Oxbox)4 tons · 46,500 Btu/h · DuctedBelow the middle1.80
  10. 1885AH60H/O64Pwith ducted air handler AH60H/I64PTRUST AIR CONDITIONERS4.5 tons · 54,000 Btu/h · DuctedBelow the middle1.80
  11. 1886TPH4042E100ATUTTOKOOL3.5 tons · 40,500 Btu/h · DuctedBelow the middle1.80
  12. 1887TPH4048E100ATUTTOKOOL4 tons · 46,500 Btu/h · DuctedBelow the middle1.80
  13. 1888WDHP-60RHwith ducted air handler WDAH-60MOCWells4.5 tons · 54,000 Btu/h · DuctedBelow the middle1.80
  14. 1889RHPXYB048AJTWHIRLPOOL4 tons · 45,500 Btu/h · DuctedBelow the middle1.80
  15. 1890ZOV-60HDTBwith ducted air handler ZAV-60HDTBZERO4.5 tons · 53,000 Btu/h · DuctedBelow the middle1.80
  16. 1891ZPRV14HPBYFC-18SZERO4 tons · 48,000 Btu/h · DuctedBelow the middle1.80
  17. 1892ZPRV16HPBYFC-15SZERO4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.80
  18. 1893ZRRV14HPBYFC-18SZERO4 tons · 48,000 Btu/h · DuctedBelow the middle1.80
  19. 1894ZRRV16HPBYFC-15SZERO4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.80
  20. 1895ZSOVA-60HDMB-USwith ducted air handler ZAVA-60HDMB-USZERO4.5 tons · 54,000 Btu/h · DuctedBelow the middle1.80
  21. 1896ZSOVA-60HDMB-USHHwith ducted air handler ZAVA-60HDMB-USZERO4.5 tons · 54,000 Btu/h · DuctedBelow the middle1.80
  22. 1897RUZ-AK48NLHZ***with ducted air handler RVZ-AP48NLMitsubishi Electric4 tons · 48,000 Btu/h · DuctedBelow the middle1.79
  23. 1898SRHP4800S1ACentury4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  24. 1899CDP7-48-15COMFORTSTAR4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  25. 1900WSCHV0060BA1-Cwith ducted air handler WECC60ABC1CONTINENTAL4.5 tons · 51,000 Btu/h · DuctedBelow the middle1.78

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