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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. 2201ZHD048S5B**PLennox4 tons · 45,000 Btu/h · DuctedBelow the middle1.45
  2. 2202ZHD048S5B**YLennox4 tons · 45,000 Btu/h · DuctedBelow the middle1.45
  3. 2203RDFXYC048ACVFriedrich4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  4. 2204RDFXYC048AJVFriedrich4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  5. 2205RHPXYC048ACTFriedrich4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  6. 2206RHPXYC048ADTFriedrich4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  7. 2207RHPXYC048AJTFriedrich4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  8. 2208RDFXYC048ACVFujitsu4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  9. 2209RDFXYC048AJVFujitsu4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  10. 2210RHPXYC048ACTFujitsu4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  11. 2211RHPXYC048ADTFujitsu4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  12. 2212RHPXYC048AJTFujitsu4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  13. 2213RDFXYC048ACVRheem4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  14. 2214RDFXYC048AJVRheem4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  15. 2215RHPXYC048ACTRheem4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  16. 2216RHPXYC048ADTRheem4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  17. 2217RHPXYC048AJTRheem4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  18. 2218RDFXYC048ACVRUSSELL4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  19. 2219RDFXYC048AJVRUSSELL4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  20. 2220RHPXYC048ACTRUSSELL4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  21. 2221RHPXYC048ADTRUSSELL4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  22. 2222RHPXYC048AJTRUSSELL4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  23. 2223RHPXYC048ACTTHERMAL ZONE4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  24. 2224RHPXYC048ADTTHERMAL ZONE4 tons · 45,500 Btu/h · DuctedBelow the middle1.44
  25. 2225RHPXYC048AJTTHERMAL ZONE4 tons · 45,500 Btu/h · DuctedBelow the middle1.44

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