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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, 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 3151TSHG12E1S20NAR45Owith ductless indoor unit TSHG12E1S20NAR45IGenerallux1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  2. 3152POS12H1BM5Awith ductless indoor unit PHW12H1BMRAInnovair1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  3. 3153KWSM-12IR454BHS21LPwith ductless indoor unit KWSM-12IR454BHS21LPKANIONco1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  4. 3154MMLD012S6S-1Pwith ductless indoor unit M1WD012S6-1PLennox1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  5. 3155TSHG12E1S20NAR45Owith ductless indoor unit TSHG12E1S20NAR45IManuflow1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  6. 3156YN012ALSI20RPFwith ductless indoor unit WT012ALSI20HLFPioneer1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  7. 3157GW-12HP-115VOwith ductless indoor unit GW-12HP-115VIRAMSOND1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  8. 3158AC012DXSCCGwith ductless indoor unit AC012DN1DCGSamsung1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  9. 3159H12SEH19BACwith ductless indoor unit H12SEH19BAETCL1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  10. 3160TSH12HEI1NAL0X24*with ductless indoor unit TSH12IEI1NAL0X24TCL1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  11. 3161ZMSB-12HVT110-USR2with ductless indoor unit ZMSB-12HVT110-USR2ZERO1 ton · 12,000 Btu/h · DuctlessBelow the middle1.79
  12. 3162RAC-GJ12WHAAwith ductless indoor unit RAK-GJ12PHAAHITACHI1 ton · 12,000 Btu/h · DuctlessBelow the middle1.77
  13. 31632450Maestro0.5 tons · 7,600 Btu/h · DuctlessBelow the middle1.77
  14. 31642452Maestro0.5 tons · 7,600 Btu/h · DuctlessBelow the middle1.77
  15. 3165YRACGJ12WHAAwith ductless indoor unit YRAKGJ12PHAAYork1 ton · 12,000 Btu/h · DuctlessBelow the middle1.77
  16. 3166ASW-H09B6A2/**R3DI-C0with ductless indoor unit ASW-H09B6A2/JAR3DI-C0AUX1 ton · 9,000 Btu/h · DuctlessBelow the middle1.76
  17. 3167ASW-H09B6A2/*R3DI-C0with ductless indoor unit ASW-H09B6A2/JAR3DI-C0AUX1 ton · 9,000 Btu/h · DuctlessBelow the middle1.76
  18. 3168FP10404US-12WHwith ductless indoor unit FP10404US-22WHCOSTWAY1 ton · 9,000 Btu/h · DuctlessBelow the middle1.76
  19. 3169048-MS-9K2VR-17S-OUTwith ductless indoor unit 048-MS-9K2VR-17S-JA-INDella1 ton · 9,000 Btu/h · DuctlessBelow the middle1.76
  20. 3170MWHD012S6S-1Pwith ductless indoor unit MWHD012S6-1PLennox1 ton · 12,000 Btu/h · DuctlessBelow the middle1.76
  21. 31712451Maestro0.5 tons · 7,200 Btu/h · DuctlessBelow the middle1.76
  22. 3172MOX130-09HFPN10-B1E-MRwith ductless indoor unit MSAG11A-09HRFPN10-B1E-MRMidea (sold as MDV)1 ton · 9,000 Btu/h · DuctlessBelow the middle1.76
  23. 3173DIYS-09-HP-C-115A11-Owith ductless indoor unit DIYS-09-HP-WMAH-115A13 - OMRCOOL1 ton · 9,000 Btu/h · DuctlessBelow the middle1.76
  24. 3174AR12DXFAMWKXwith ductless indoor unit AR12DXKAPWKNSamsung1 ton · 12,000 Btu/h · DuctlessBelow the middle1.76
  25. 3175AR60H12C1JWXwith ductless indoor unit AR60H12C1JWNSamsung1 ton · 12,000 Btu/h · DuctlessBelow the middle1.76

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