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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. 2801AEPL**MHV23S1231B1Awith ductless indoor unit AEPL**AWM23E1231B1AIWAE1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  2. 2802AEPL**MHV23S1232B1Awith ductless indoor unit AEPL**AWM23E1232B1AIWAE1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  3. 2803MAJESTIC-18K220V-S2with ductless indoor unit MAJESTIC-18K220V-S2K&A1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  4. 2804KWSM-09IR454BHS25Rwith ductless indoor unit KWSM-09IR454BHS25RKANIONco1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  5. 2805KWSM-12IR454BHS21Pwith ductless indoor unit KWSM-12IR454BHS21PKANIONco1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  6. 2806KWSM-12IR454BHS25Rwith ductless indoor unit KWSM-12IR454BHS25RKANIONco1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  7. 2807KWSM-18IR32HS17Pwith ductless indoor unit KWSM-18IR32HS17PKANIONco1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  8. 2808KWSM-18IR454BHS21Pwith ductless indoor unit KWSM-18IR454BHS21PKANIONco1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  9. 2809KWSM-18IR454BHS23.5Rwith ductless indoor unit KWSM-18IR454BHS23.5RKANIONco1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  10. 2810KWSM-18IR454BHS23Rwith ductless indoor unit KWSM-18IR454BHS23RKANIONco1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  11. 2811KWSM-24IR454BHS22.5Rwith ductless indoor unit KWSM-24IR454BHS22.5RKANIONco1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  12. 2812KEENSTMHP09AAwith ductless indoor unit KEENSTMAH09AAKEEN Home1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  13. 2813KEENSTMHP12AAwith ductless indoor unit KEENSTMAH12AAKEEN Home1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  14. 2814KAC-9WH(E/6)DBP-M100with ductless indoor unit KAC-9GH(E/6)DBP-M100KHR1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  15. 2815KAC-9WH(E1/6)DBP-M100with ductless indoor unit KAC-9GH(E1/6)DBP-M100KHR1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  16. 2816KOIE18H2-31Xwith ductless indoor unit KIWE18H2-31XKLIMAIRE1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  17. 2817KOIQ18H2-45Twith ductless indoor unit KIWQ18H2-45TKLIMAIRE1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  18. 2818MMLD009S6S-1Pwith ductless indoor unit MFMD009S6-1PLennox1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  19. 2819MMLD018S6S-1Pwith ductless indoor unit M1WD018S6-1PLennox1.5 tons · 17,500 Btu/h · DuctlessBelow the middle1.80
  20. 2820MMPD018S6S-1Pwith ductless indoor unit M33D018S6-1PLennox1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  21. 2821LEO12K30S25V220H1*with ductless indoor unit LEO12K30S25V220H1LEO AIR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  22. 2822LEO18K30S24V220H1with ductless indoor unit LEO18K30S24V220H1LEO AIR1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  23. 2823LEO18K30S24V220H2with ductless indoor unit LEO18K30S24V220H2LEO AIR1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  24. 2824LEO18K30S25V220H1*with ductless indoor unit LEO18K30S25V220H1LEO AIR1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  25. 2825LEO9K30S25V220H1*with ductless indoor unit LEO9K30S25V220H1LEO AIR1 ton · 9,000 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