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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, Up to 1.5 tons: every model, highest efficiency on a 5°f day first

One size class at a time, so the numbers compare directly.

Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 601ACIQ-18Z-HH-M3CACIQ1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  2. 602R5H5S19*K*AAA*with ducted air handler FM(C,U)5Z18**ALACIQ1.5 tons · 18,000 Btu/h · DuctedGood2.00
  3. 603A3MO23-18N2-M1HAI AIR CONDITIONING1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  4. 604UE-H18M1PAIR C1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  5. 605AFMKH18-H2AIR MAX1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  6. 606ATMO18AXR32AIR TECH1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  7. 607AC-18-HP-E-32with ducted air handler AC-18-AH-E-32AireForce1.5 tons · 18,000 Btu/h · DuctedGood2.00
  8. 608DXH18FMK3IHAireForce1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  9. 609DXH18FMK3IHAIRTEMP1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  10. 610AHU19-18HN1-Cwith ducted air handler AHU19-18HN1-AApooDr1.5 tons · 18,000 Btu/h · DuctedGood2.00
  11. 611AP2M18HP230VMOAPOWER1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  12. 612AHU19-18HN1-Cwith ducted air handler AHU19-18HN1-AAprodr1.5 tons · 18,000 Btu/h · DuctedGood2.00
  13. 613AB-GTMH18-230VOArmbridge1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  14. 614AB-GTMR18-230VOArmbridge1.5 tons · 17,700 Btu/h · DuctlessGood2.00
  15. 615FHU18HPV1AOwith ducted air handler FHU18HPV1AIAUFIT1.5 tons · 18,000 Btu/h · DuctedGood2.00
  16. 616FM2-H18/2DR3AAUFIT1.5 tons · 17,700 Btu/h · DuctlessGood2.00
  17. 617XHU60HPV1AOwith ducted air handler XHU60HPV1AIAUFIT1.5 tons · 18,000 Btu/h · DuctedGood2.00
  18. 618AHU18HPV1AOwith ducted air handler AHU18HPV1AIAUX1.5 tons · 18,000 Btu/h · DuctedGood2.00
  19. 619ASPR18HPMULOAUX1.5 tons · 17,700 Btu/h · DuctlessGood2.00
  20. 620ASUM18HPMULOAUX1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  21. 621BMMZ18HHCBlueRidge1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  22. 622BMSAHS1819Cwith ducted air handler BMS2AH18IBlueRidge1.5 tons · 18,000 Btu/h · DuctedGood2.00
  23. 623BNG2A18SCNwith ducted air handler BNGFA18DH2BlueRidge1.5 tons · 18,000 Btu/h · DuctedGood2.00
  24. 624BNG3Z18UCNwith ducted air handler BNG3Z18DH0BlueRidge1.5 tons · 18,000 Btu/h · DuctedGood2.00
  25. 625BXM0Z18SC0BlueRidge1.5 tons · 18,000 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