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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. 2851L01-09K2V-20S-P-Owith ductless indoor unit L01-09K2V-20S-WC-ILUORISE1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  2. 2852L01-12K1V-20S-P-Owith ductless indoor unit L01-12K1V-20S-WC-ILUORISE1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  3. 2853L01-12K2V-20S-P-Owith ductless indoor unit L01-12K2V-20S-WC-ILUORISE1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  4. 2854L01-18K2V-20S-P-Owith ductless indoor unit L01-18K2V-20S-WC-ILUORISE1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  5. 2855L02-18K2V-17S-P-Owith ductless indoor unit L02-18K2V-17S-WC-ILUORISE1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  6. 2856TSA09MAQU1J0X24-Owith ductless indoor unit TSA09MAQU1J0X24-IMaestrale1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  7. 2857TSA09MAQU1J0X24-O*with ductless indoor unit TSA09MAQU1J0X24-IMaestrale1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  8. 2858TSA09MAQU1J0X24-O**with ductless indoor unit TSA09MAQU1J0X24-IMaestrale1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  9. 2859TSA09MAQU1JOX24-O**with ductless indoor unit TSA09MAQU1JOX24-IMaestrale1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  10. 2860TSA12MAQU1J0X24-0**with ductless indoor unit TSA12MAQU1J0X24-IMaestrale1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  11. 2861TSA12MAQU1J0X24-O*with ductless indoor unit TSA12MAQU1J0X24-IMaestrale1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  12. 2862TSA12MAQU1J0X24-O**with ductless indoor unit TSA12MAQU1J0X24-IMaestrale1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  13. 2863TSA12MAQU1JOX24-0**with ductless indoor unit TSA12MAQU1JOX24-IMaestrale1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  14. 2864TSA18MAQU1J0X24-0**with ductless indoor unit TSA18MAQU1J0X24-IMaestrale1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  15. 2865TSA18MAQU1J0X24-O*with ductless indoor unit TSA18MAQU1J0X24-IMaestrale1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  16. 2866TSA18MAQU1J0X24-O**with ductless indoor unit TSA18MAQU1J0X24-IMaestrale1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  17. 2867TSA18MAQU1JOX24-0**with ductless indoor unit TSA18MAQU1JOX24-IMaestrale1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  18. 2868TAC18CHSAG2R32O18with ductless indoor unit TAC18CHSAG2R32I18Manuflow1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  19. 2869THH12E2S25NAR454Owith ductless indoor unit THH12E2S25NAR454IManuflow1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  20. 2870THH18E2S24NAR454Owith ductless indoor unit THH18E2S24NAR454IManuflow1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  21. 2871TSCAS18CD2VIR45I*with ductless indoor unit TSCAS18CD2VIR45IManuflow1.5 tons · 16,000 Btu/h · DuctlessBelow the middle1.80
  22. 2872TSHG18E2S20NAR45Owith ductless indoor unit TSHG18E2S20NAR45IManuflow1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  23. 2873TSHG18E2S22NAR45Owith ductless indoor unit TSHG18E2S22NAR45IManuflow1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  24. 2874T55-MHEAT3012E454with ductless indoor unit T55-MHEAT3012I454MAPLE HEAT1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  25. 2875T55-AES12EXT454with ductless indoor unit T55-AES12INT454MAXI AIR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80

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