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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.

Ductless, 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 Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

  1. 1KUSXB481Awith ducted air handler D(A,C,E)48D3D+TDRLG3.5 tons · 42,500 Btu/h · DuctedTop 10%2.92
  2. 2BOHA-60MTB-M18Swith ducted air handler AE*L+DM59A4Z+TXV+TDRBosch3.5 tons · 43,000 Btu/h · DuctedTop 10%2.77
  3. 3PUZ-AK42NL***with ductless indoor unit PLA-AE42NLMitsubishi Electric3.5 tons · 42,000 Btu/h · DuctlessTop 10%2.70
  4. 4PUZ-AK42NL2***with ductless indoor unit PLA-AE42NLMitsubishi Electric3.5 tons · 42,000 Btu/h · DuctlessTop 10%2.70
  5. 5BOHA-60RTB-M18Swith ducted air handler AE*L+DM60B4Z+TXV+TDRBosch4 tons · 48,000 Btu/h · DuctedTop 10%2.64
  6. 6MCY-MUB0488HS2P-ULCarrier (sold as Toshiba Carrier)4 tons · 48,000 Btu/h · DuctlessTop 10%2.50
  7. 7CHV6-RS48URBMHHCooper&Hunter (sold as Cooper & Hunter)4 tons · 48,000 Btu/h · DuctlessTop 10%2.40
  8. 8AVW-48F3DAH2Hisense4 tons · 48,000 Btu/h · DuctlessTop 10%2.40
  9. 9AOUH42KUAS1with ductless indoor unit AUUH42KUASFujitsu3.5 tons · 42,000 Btu/h · DuctlessTop 10%2.36
  10. 10AOUK048MSAN7Fujitsu4 tons · 48,000 Btu/h · DuctlessTop 10%2.36
  11. 11AOUH48KUAS1with ductless indoor unit AUUH48KUASFujitsu4 tons · 46,000 Btu/h · DuctlessTop 10%2.34
  12. 12KUMXA481ALG4 tons · 48,000 Btu/h · DuctlessTop 10%2.34
  13. 13KUMXB601ALG4.5 tons · 56,000 Btu/h · DuctlessTop 10%2.34
  14. 14AFMKH60-H2AIR MAX4.5 tons · 55,000 Btu/h · DuctedGreat2.30
  15. 15ATVO48GRR32AIR TECH4 tons · 48,000 Btu/h · DuctlessTop 10%2.30
  16. 16RXTA48AAVJU*Daikin4 tons · 45,500 Btu/h · DuctlessTop 10%2.30
  17. 17EMSO21M60ZE230AENVIAIR4.5 tons · 55,000 Btu/h · DuctedGreat2.30
  18. 18GMV-V48WL/NHC-T(U)Gree4 tons · 48,000 Btu/h · DuctlessTop 10%2.30
  19. 19TMV-V48WL/NHC-T(U)Gree (sold as Tosot)4 tons · 48,000 Btu/h · DuctlessTop 10%2.30
  20. 20WLWHD(60)ND6MOTRUENORTH4.5 tons · 55,000 Btu/h · DuctedGreat2.30
  21. 21KUMXA421ALG3.5 tons · 42,000 Btu/h · DuctlessTop 10%2.29
  22. 22MCY-MUB0608HS2P-ULwith ducted air handler MMD-UB0601VHN-ULCarrier (sold as Toshiba Carrier)4.5 tons · 54,000 Btu/h · DuctedGreat2.25
  23. 23CH7H6C48KN-AEAIR-CON4 tons · 48,000 Btu/h · DuctlessTop 10%2.20
  24. 24RAV-BP421AT2P-ULwith ductless indoor unit RAV-HB421CTP-ULCarrier (sold as Toshiba Carrier)3.5 tons · 42,000 Btu/h · DuctlessTop 10%2.20
  25. 25GFH60DCXL-D6DND4C/Owith ductless indoor unit GTH60CCXL-D6DNA1C/IGree4.5 tons · 54,000 Btu/h · DuctlessTop 10%2.20

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