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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. 851MOX430-24HFPN10-M1E-MRwith ductless indoor unit MSAG11D-24HRFPN10-M1E-MRMidea (sold as MDV)2 tons · 23,000 Btu/h · DuctlessBelow the middle1.75
  2. 852DIYS-24-HP-C-230A11-Owith ductless indoor unit DIYS-24-HP-WMAH-230A13 - OMRCOOL2 tons · 23,000 Btu/h · DuctlessBelow the middle1.75
  3. 853DXH24ESK3ILwith ductless indoor unit DHH24ESK3ILNortek Global HVAC (sold as Gibson)2 tons · 24,000 Btu/h · DuctlessBelow the middle1.75
  4. 854TSH22HEI2NAL0X24with ductless indoor unit TSH22IEI2NAL0X24TCL2 tons · 24,000 Btu/h · DuctlessBelow the middle1.75
  5. 855GRHFR32T24ASwith ductless indoor unit GWHFR32T24STGM2 tons · 24,000 Btu/h · DuctlessBelow the middle1.75
  6. 856GWHFR32T24Swith ductless indoor unit GRHFR32T24ASTGM2 tons · 24,000 Btu/h · DuctlessBelow the middle1.75
  7. 857TWSG-2419SR32Owith ductless indoor unit TWSG-2419SR32ITKS2 tons · 24,000 Btu/h · DuctlessBelow the middle1.75
  8. 858CHW24KR32-Owith ductless indoor unit CHW24KR32-IWILLIS2 tons · 24,000 Btu/h · DuctlessBelow the middle1.75
  9. 859KUSAE241Awith ductless indoor unit KNSAE241ALG2 tons · 21,200 Btu/h · DuctlessBelow the middle1.70
  10. 860KUSAZ241Awith ductless indoor unit KNSAZ241ALG2 tons · 21,200 Btu/h · DuctlessBelow the middle1.70

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