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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. 976KUSXA181Awith ducted air handler V36H***P12*+TXV+TDADP1.5 tons · 17,500 Btu/h · DuctedGood1.94
  2. 977MOVC-18HN10-M152Lwith ducted air handler MPCE30B2MN10TAMidea1.5 tons · 18,000 Btu/h · DuctedGood1.94
  3. 978MHP(3,5)-7-11-12*PMAGIC PAK1 ton · 12,000 Btu/h · DuctedGood1.93
  4. 979MPP14AY18AJ1Nwith ducted air handler C/SEHX-19-**-EP-1C80+CF019SCF2B+TXV+TDRRheem (sold as Mainline)1.5 tons · 16,100 Btu/h · DuctedGood1.92
  5. 980D5CUHAH18AAK+KSAIC0701230with ducted air handler FTMA5X24L0BViessmann1.5 tons · 18,300 Btu/h · DuctedGood1.92
  6. 981D5CUHAH18AAK+TIC2025-0016with ducted air handler FTMA5X24L0BViessmann1.5 tons · 18,300 Btu/h · DuctedGood1.92
  7. 982ATCO18AXR32with ducted air handler ATCD18AXR32AIR TECH1.5 tons · 18,000 Btu/h · DuctedBelow the middle1.90
  8. 983AP18HP230VBOwith ductless indoor unit AP18HP230VBIAPOWER1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  9. 984BXS4Z18UC0with ductless indoor unit BXS4Z18WM0BlueRidge1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  10. 985KUL18HPJ132OAwith ductless indoor unit KUL18HPJ132IABOREAL1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  11. 986BAH32-18-15with ducted air handler CWM32-18-15COMFORTSTAR1.5 tons · 18,000 Btu/h · DuctedBelow the middle1.90
  12. 987BAH7-18-15with ducted air handler LCM7-36-15+TXVCOMFORTSTAR1.5 tons · 18,000 Btu/h · DuctedBelow the middle1.90
  13. 988CHF3-12CD(O)with ducted air handler CPA3-12CD(I)COMFORTSTAR1 ton · 12,000 Btu/h · DuctedBelow the middle1.90
  14. 989CSS18CD(O)with ducted air handler CWM32-18-15COMFORTSTAR1.5 tons · 18,000 Btu/h · DuctedBelow the middle1.90
  15. 990DH4SQA1810A*with ducted air handler 25HXS**XDaikin1.5 tons · 18,100 Btu/h · DuctedBelow the middle1.90
  16. 991ENV18HP230V1R32AOwith ductless indoor unit ENV18HP230V1R32AHGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  17. 992GS18HP230V1CLOwith ductless indoor unit GS18HP230V1CLIGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  18. 993GS18HP230V1PUOwith ductless indoor unit GS18HP230V1PUIGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  19. 994GWH18AGDXF-D6DNA4B/Owith ductless indoor unit GWH18AGDXF-D6DN***/IGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  20. 995GWH18AUDXF-D6DNA1A/Owith ductless indoor unit GWH18AUDXF-D6DN***/IGree1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  21. 996KW18XQ25S1DOwith ductless indoor unit KW18XQ25S1DIGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  22. 997KW18XQ25SDOwith ductless indoor unit KW18XQ25SDIGree (sold as Kinghome)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  23. 998SPHP-M-1018BBwith ducted air handler AIRH-M-1036E12BGree (sold as Ac Pro)1.5 tons · 18,000 Btu/h · DuctedBelow the middle1.90
  24. 999SU-AORAKI18-230/Owith ductless indoor unit SU-AORAKI18-230/IGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  25. 1000TAVCI7H4R18with ductless indoor unit TAVEM7H4R18-SGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90

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