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

  1. 151MRS5VHT18ASwith ducted air handler MFC5VHT18STGM1.5 tons · 17,500 Btu/h · DuctedTop 10%2.41
  2. 152OUS18H/O6S4Pwith ducted air handler IUMDH18H/I63PTRUST AIR CONDITIONERS1.5 tons · 17,500 Btu/h · DuctedTop 10%2.41
  3. 153WOS-06PRE/230with ducted air handler WIDL-06MOC/230Wells0.5 tons · 6,500 Btu/h · DuctedTop 10%2.41
  4. 154WOS-18QUA/230with ducted air handler WIDH-18MOC/230Wells1.5 tons · 17,500 Btu/h · DuctedTop 10%2.41
  5. 155ACIQ-06ZPL-HP230Cwith ductless indoor unit ACIQ-06W-HH-MD1HVAC0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  6. 156ACIQ-06ZPL-HP230Cwith ductless indoor unit ACIQ-06W-HH-MDACIQ0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  7. 157BXS5A06UC0with ductless indoor unit BXAFA06WM0BlueRidge0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  8. 158BZ33-HYP06OUT2-454-G3-Pwith ductless indoor unit BZ33-HYP06WALL2-454-G3-PBreeze330.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  9. 1594C28SCH06H21with ductless indoor unit 4C28SEH06H21CanAir0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  10. 160A-VHP06SA-1with ductless indoor unit B-VHP061A-1Century0.5 tons · 6,500 Btu/h · DuctlessTop 10%2.40
  11. 161DIRM4-06HXPRO28-1Zwith ductless indoor unit DIRM4-06HP-WMDIRECT AIR0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  12. 162EMXSZ106DAwith ductless indoor unit EMXWAL06DAEMI0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  13. 163FSHSR18B3Bwith ductless indoor unit FAHFW18A3AFriedrich1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.40
  14. 164FSHSR18B3Dwith ductless indoor unit FAHFW18A3DFriedrich1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.40
  15. 165AO-18U3R25SSwith ductless indoor unit AS-18U3RDL25SSHisense1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.40
  16. 166AO-18U3R26E2with ductless indoor unit AS-18U3RHB25EHisense1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.40
  17. 167AST-18UR3RXN00with ductless indoor unit AST-18UR3RXN**00Hisense1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.40
  18. 168AST-18UW3RXN00with ductless indoor unit AST-18UW3RXN**00Hisense1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.40
  19. 169PAS-18BLFASDQ1with ductless indoor unit PCI-B18UFA1DQHITACHI1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.40
  20. 170MOS06H2BH0Awith ductless indoor unit MHW06H2BHRBInnovair0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  21. 171KOB-HH-PSX06HP-2AAMAwith ductless indoor unit KIB-PSX06WM-2AAMAKaden0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  22. 172KEENUMHP06AAwith ductless indoor unit KEENOWAH06AAKEEN Home0.5 tons · 6,500 Btu/h · DuctlessTop 10%2.40
  23. 173A-KHP06SA-1with ductless indoor unit B-KHP06SA-1Kerr0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  24. 174A-VHP06SA-1with ductless indoor unit B-VHP06SA-1Lennox (sold as Comfort-Aire)0.5 tons · 6,000 Btu/h · DuctlessTop 10%2.40
  25. 175MOU-B06H-2with ductless indoor unit MIU-B06CO-2Midea (sold as CTMorley)0.5 tons · 6,500 Btu/h · DuctlessTop 10%2.40

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