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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. 2001DPSH05BAPB4****E35**G*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.72
  2. 2002DPSH05BAPB5****E31**0*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.72
  3. 2003DPSH05BAPB5****E35**E*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.72
  4. 2004DPSH05BAPB5****E35**G*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.72
  5. 2005ZOD-60HIN4-M-SE18with ducted air handler ZVMXFC-60HI1N4-C-M-SE18iCongo4.5 tons · 53,000 Btu/h · DuctedBelow the middle1.72
  6. 2006ZOT6PA-60HIN4-M-SE15with ducted air handler ZVMXFC-60HI1N4-M-SE15iCongo4.5 tons · 52,500 Btu/h · DuctedBelow the middle1.72
  7. 2007K15HVH60WD2VN3with ducted air handler K15HVH60WD2HN3KeplerX4.5 tons · 52,500 Btu/h · DuctedBelow the middle1.72
  8. 2008K18HVH60WD2UN3with ducted air handler K18HVH60WD2HN3KeplerX4.5 tons · 53,000 Btu/h · DuctedBelow the middle1.72
  9. 2009DPSH05BAPB2****E31**E*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  10. 2010DPSH05BAPB2****E31**G*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  11. 2011DPSH05BAPB3****E31**E*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  12. 2012DPSH05BAPB3****E31**G*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  13. 2013DPSH05BAPB4****E31**E*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  14. 2014DPSH05BAPB4****E31**G*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  15. 2015DPSH05BAPB5****E31**E*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  16. 2016DPSH05BAPB5****E31**G*Daikin4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.71
  17. 2017PDB442***K***B*ACIQ3.5 tons · 42,000 Btu/h · DuctedBelow the middle1.70
  18. 2018PDB460***K***B*ACIQ4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.70
  19. 2019PHB442000H***B*ACIQ3.5 tons · 42,000 Btu/h · DuctedBelow the middle1.70
  20. 2020PHB442000K***B*ACIQ3.5 tons · 42,000 Btu/h · DuctedBelow the middle1.70
  21. 2021PHB442000L***B*ACIQ3.5 tons · 42,000 Btu/h · DuctedBelow the middle1.70
  22. 2022PHB460000H***B*ACIQ4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.70
  23. 2023PHB460000K***B*ACIQ4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.70
  24. 2024PHB460000L***B*ACIQ4.5 tons · 55,000 Btu/h · DuctedBelow the middle1.70
  25. 2025PHM448000K000B*ACIQ4 tons · 45,500 Btu/h · DuctedBelow the middle1.70

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