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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. 676ACIQ-36-HP32with ducted air handler ACIQ-36-AH321HVAC3 tons · 34,000 Btu/h · DuctedGood2.00
  2. 677ACIQ-36Z-HH-M5C1HVAC3 tons · 36,000 Btu/h · DuctlessGood2.00
  3. 678ES-27Z-M4C1HVAC2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  4. 679ES-36Z-M5C1HVAC3 tons · 36,000 Btu/h · DuctlessGood2.00
  5. 680EZ-36-EHPBwith ducted air handler EZ-36-AHB1HVAC3 tons · 36,000 Btu/h · DuctedGood2.00
  6. 681EZ-36Z-M4B1HVAC3 tons · 34,000 Btu/h · DuctlessGood2.00
  7. 682AC-36-HP-E-32with ducted air handler AC-36-AH-E-32ACIQ3 tons · 35,000 Btu/h · DuctedGood2.00
  8. 683AC-I-36HP14with ducted air handler AC-I-36AH14ACIQ3 tons · 34,200 Btu/h · DuctedGood2.00
  9. 684ACIQ-27Z-HH-M4CACIQ2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  10. 685ACIQ-36-HP32with ducted air handler ACIQ-36-AH32ACIQ3 tons · 34,000 Btu/h · DuctedGood2.00
  11. 686ACIQ-36Z-HH-M5CACIQ3 tons · 36,000 Btu/h · DuctlessGood2.00
  12. 687ES-27Z-M4CACIQ2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  13. 688ES-36Z-M5CACIQ3 tons · 36,000 Btu/h · DuctlessGood2.00
  14. 689A4MO23-27N2-M1HAI AIR CONDITIONING2.5 tons · 28,000 Btu/h · DuctedGood2.00
  15. 690A5MO21-36N2-M1AI AIR CONDITIONING3 tons · 35,000 Btu/h · DuctlessGood2.00
  16. 691A5MO23-36N2-M1HAI AIR CONDITIONING3 tons · 36,000 Btu/h · DuctedGood2.00
  17. 692AO25-33N2-M1Hwith ducted air handler AAH-36N2-CM1AI AIR CONDITIONING3 tons · 33,000 Btu/h · DuctedGood2.00
  18. 693AUO18-30N2-M3with ducted air handler AUH2-30N2-CM3EAI AIR CONDITIONING2.5 tons · 30,000 Btu/h · DuctedGood2.00
  19. 694AUO18-36N2-M3with ducted air handler AUH2-36N2-CM3EAI AIR CONDITIONING3 tons · 36,000 Btu/h · DuctedGood2.00
  20. 695AUO19-30N2-M3Hwith ducted air handler AUE-30N2-LM3EAI AIR CONDITIONING2.5 tons · 30,000 Btu/h · DuctedGood2.00
  21. 696AASDCI7H4R36with ducted air handler AASDEM7H4R36-SAIR-CON3 tons · 34,000 Btu/h · DuctedGood2.00
  22. 697AVDCI7H4T36with ducted air handler AVDEM7H4T36AIR-CON3 tons · 33,000 Btu/h · DuctedGood2.00
  23. 698AVPI7H4T36AIR-CON3 tons · 33,000 Btu/h · DuctedGood2.00
  24. 699UE-H24M1PAIR C2.5 tons · 27,000 Btu/h · DuctlessGood2.00
  25. 700UE-H36M1PAIR C3 tons · 36,000 Btu/h · DuctlessGood2.00

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