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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, 2.5–3 tons: every model, highest efficiency on a 5°f day first

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

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

  1. 226GWHD(30)ND6MOGree2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  2. 227GWHD21-30H3DGree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  3. 228KM30X6OGree (sold as Kinghome)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  4. 229MHPC-D-030BMCGree (sold as Ac Pro)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  5. 230MUL30HP230V1R32AOGree2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  6. 231MZ-COSMO30/OGree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  7. 232TM30D6MOGree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  8. 233TM30H32MOGree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  9. 234TM30R32MOGree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  10. 235TM30WH21MOGree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  11. 236TMH30D32MOGree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  12. 237TMSCI7H4R30Gree (sold as Tosot)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  13. 238DXH30FMK3IHNortek Global HVAC (sold as Gibson)2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  14. 239OFRM4X1-H30A-OOUELLET2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  15. 240WLWHD(30)ND6MOTRUENORTH2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  16. 241MZUHW30KR32-OWILLIS2.5 tons · 28,400 Btu/h · DuctlessGreat2.07
  17. 242UPC36CN23STG1with ductless indoor unit UNI36CS23STG1York (sold as Guardian)3 tons · 36,000 Btu/h · DuctlessGreat2.07
  18. 243MXZ-4D30NL***Mitsubishi Electric2.5 tons · 28,600 Btu/h · DuctlessGreat2.06
  19. 244RZA36AAVJU*with ducted air handler FBA36A*VJUDaikin3 tons · 36,000 Btu/h · DuctedGood2.04
  20. 245MMLD036S6M-1PLennox3 tons · 34,000 Btu/h · DuctlessGreat2.04
  21. 246AJ036DXS4CGSamsung3 tons · 34,000 Btu/h · DuctlessGreat2.04
  22. 247ACIQ-K36Z-HP230Bwith ductless indoor unit ACIQ-K36W-W-HP230BACIQ3 tons · 36,000 Btu/h · DuctlessGreat2.03
  23. 248MYTW36NA23BCH20/Owith ductless indoor unit MYTW36NA23BCH20/IBestcold3 tons · 36,000 Btu/h · DuctlessGreat2.03
  24. 249BMS500-AAS030-1CSXRDwith ductless indoor unit BMS500-AAU030-1AHWXDBosch2.5 tons · 30,000 Btu/h · DuctlessGreat2.03
  25. 25037VMB030HDS3-1Carrier2.5 tons · 30,000 Btu/h · DuctlessGreat2.03

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