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

  1. 876SAK-48-QZ/220VStar Air Kontrol4 tons · 45,000 Btu/h · DuctlessGreat2.10
  2. 877SAK-48SQN2-M18Mwith ducted air handler SAK-48SQN1-M18MStar Air Kontrol4 tons · 47,500 Btu/h · DuctedGood2.10
  3. 878SAK-60SQN2-M18Mwith ducted air handler SAK-60SQN1-M18MStar Air Kontrol4.5 tons · 55,500 Btu/h · DuctedGood2.10
  4. 879ACIQ-60-HP32with ducted air handler ACIQ-60-AH32Stealth Comfort4.5 tons · 53,000 Btu/h · DuctedGood2.10
  5. 880AC-48-HP-E-32with ducted air handler AC-48-AH-E-32STEALTH4 tons · 48,000 Btu/h · DuctedGood2.10
  6. 881SMZ5B1-H55A-OStelpro4.5 tons · 53,000 Btu/h · DuctedGood2.10
  7. 882SMZ5B1V-H55A-OStelpro4.5 tons · 53,000 Btu/h · DuctedGood2.10
  8. 883TSMZHH556Z2R5TEMP SHIFT4.5 tons · 53,000 Btu/h · DuctedGood2.10
  9. 884CTV520HN060Awith ducted air handler CTA520C048ATGM4 tons · 47,500 Btu/h · DuctedGood2.10
  10. 885GMRSHT42AS5TGM3.5 tons · 42,000 Btu/h · DuctlessGreat2.10
  11. 886THP-GUD60W2/NHE-D(U)with ducted air handler THP-GUD60AH2/G-D(U)The Heat Pump4.5 tons · 53,000 Btu/h · DuctedGood2.10
  12. 887TZID60H520ZCwith ducted air handler TZID48H520ZATHERMAL ZONE4 tons · 47,500 Btu/h · DuctedGood2.10
  13. 888T7HH22X-H272-CTHERMOCORE SYSTEMS4.5 tons · 53,000 Btu/h · DuctedGood2.10
  14. 8895HPL6048A1000A*with ducted air handler 5TEM7D06AC31SATrane/American Standard4 tons · 48,000 Btu/h · DuctedGood2.10
  15. 8905HPL9048A1000A*with ducted air handler 5TEM9D06AC31SATrane/American Standard4 tons · 48,000 Btu/h · DuctedGood2.10
  16. 891WLWHD(42)ND6MOTRUENORTH3.5 tons · 42,000 Btu/h · DuctlessGreat2.10
  17. 892M6H60HN/O6S4PTRUST AIR CONDITIONERS4.5 tons · 53,000 Btu/h · DuctedGood2.10
  18. 893M6H60HS/O6S4PTRUST AIR CONDITIONERS4.5 tons · 53,000 Btu/h · DuctedGood2.10
  19. 894M6S48HN/O6S4PTRUST AIR CONDITIONERS4 tons · 45,000 Btu/h · DuctlessGreat2.10
  20. 895M6S48HS/O6S4PTRUST AIR CONDITIONERS4 tons · 45,000 Btu/h · DuctlessGreat2.10
  21. 896OAH60H/O6S4Pwith ducted air handler IUMDH60H/I63PTRUST AIR CONDITIONERS4.5 tons · 55,000 Btu/h · DuctedGood2.10
  22. 897D5CLHAH58AAKwith ducted air handler D5FLDAH58XHKViessmann4.5 tons · 55,000 Btu/h · DuctedGood2.10
  23. 898D5CMHAH55FAKViessmann4.5 tons · 53,000 Btu/h · DuctedGood2.10
  24. 899VUH48-VA6BA(O)with ducted air handler VUH48-VA6BA(I)VINO4 tons · 48,000 Btu/h · DuctedGood2.10
  25. 900WDHP-4860T-Gwith ducted air handler WDAH-48MOC-GWells4 tons · 47,500 Btu/h · DuctedGood2.10

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