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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 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 tons (21,000–26,999 Btu/h cooling). What size is my system?

  1. 51EDSO-24Hwith ductless indoor unit EDWM-24UECO-AIR2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  2. 52EMXSZ124DAwith ductless indoor unit EMXWAL24DAEMI2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  3. 53RAC-GJ24WHAAwith ductless indoor unit RAK-GJ24PHAAHITACHI2 tons · 22,000 Btu/h · DuctlessTop 10%2.34
  4. 54RAC-GJ24WHBAwith ductless indoor unit RAK-GJ24PHBAHITACHI2 tons · 22,000 Btu/h · DuctlessTop 10%2.34
  5. 55MOS24H2BH0Awith ductless indoor unit MHW24H2BHRBInnovair2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  6. 56KOB-HH-PSX24HP-2AAMAwith ductless indoor unit KIB-PSX24WM-2AAMAKaden2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  7. 57A-KHP24SA-1with ductless indoor unit B-KHP24SA-1Kerr2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  8. 58A-ZKP24SA-1with ductless indoor unit B-ZKP24SA-1Kerr2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  9. 59A-VHP24SA-1with ductless indoor unit B-VHP24SA-1Lennox (sold as Comfort-Aire)2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  10. 60D5CSHAH24AAKwith ductless indoor unit D5FSHAH24XAKLPS Legacy2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  11. 6137MAHAQ24AA3with ductless indoor unit D5MAHAQ24XA3Midea2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  12. 62D5CSHAH24AAKwith ductless indoor unit D5FSHAH24XAKMidea2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  13. 63MO1HS-H24B-2Awith ductless indoor unit MSEHU-H24B-2AMidea2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  14. 64MOD30-24HFN10-M1Xwith ductless indoor unit MSEPD-24HRFN10-M1Midea (sold as MDV)2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  15. 65MSHMA24C2AN1with ductless indoor unit MWHMA24C2AS1MOOVAIR2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  16. 66O-ES-24-HP-C-230C-O1with ductless indoor unit O-18-HP-WMAH-233C-OMRCOOL2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  17. 67O-HH-24-HP-C-230C-Owith ductless indoor unit O-24-HP-WMAH-230C-OMRCOOL2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  18. 68NDHAS26BA-24-Owith ductless indoor unit NDHAS26BA-24-INAPOLEON2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  19. 69LEA24SZ36-Owith ductless indoor unit 4LEA24USK-INOVAIR2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  20. 70ML24HP230CALH-Owith ductless indoor unit ML24HP230CALH-IRheem (sold as Mainline)2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  21. 71HSZ24H525ZMOwith ductless indoor unit WM24H525ZMISEA BREEZE+2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  22. 72SENA-24HF-OGwith ductless indoor unit SENA-24HF-IGGSenville2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  23. 73SEPB-H24A-Owith ductless indoor unit SEPB-H24A-IStelpro2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  24. 74T7HH21S-H224-Cwith ductless indoor unit T7HH21S-H224-ETHERMOCORE SYSTEMS2 tons · 24,000 Btu/h · DuctlessTop 10%2.34
  25. 75D5CSHAH24AAKwith ductless indoor unit D5FSHAH24XAKViessmann2 tons · 24,000 Btu/h · DuctlessTop 10%2.34

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