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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. 2651A2LSZHW18WW230BCJwith ductless indoor unit A2LSZHW18NN230BCJDIAL1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  2. 2652EZ-18Z-HP230Bwith ductless indoor unit EZ-18W-HP230BDIYCOOL1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  3. 2653DR-HSC001SOwith ductless indoor unit DR-HSC001SADREO1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  4. 2654DR-HSC002SOwith ductless indoor unit DR-HSC002SADREO1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  5. 2655DR-HSC003SOwith ductless indoor unit DR-HSC003SADREO1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  6. 2656454-12-O-KAwith ductless indoor unit 454-12-I-KADUCTLESSAIRE1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  7. 2657454-18-O-KAwith ductless indoor unit 454-18-I-KADUCTLESSAIRE1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  8. 2658DOX230-12HFN10-M1Ewith ductless indoor unit DSAG11B-12HRFN10-M1E-DDUOHOME1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  9. 2659DOX330-12HFN10-M1Xwith ductless indoor unit DSAG11BM-12HRFN10-M1DUOHOME1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  10. 2660EHP-O18KBBwith ductless indoor unit EHP-W18KBBECO AC1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  11. 2661EHS-O12KBBwith ductless indoor unit EHS-W12KBBECO AC1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  12. 2662EDSO-12Swith ductless indoor unit EDWM-12SECO-AIR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  13. 2663ESHBA12C2AN*with ductless indoor unit EWHBA12C2ANELIOS1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  14. 2664ESHBA12C2AN1with ductless indoor unit EWHBA12C2AN1ELIOS1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  15. 2665ESHMA09C2AN1with ductless indoor unit EWHMA09C2AS1ELIOS1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  16. 2666ESHMA12C2AN1with ductless indoor unit EWHMA12C2AS1ELIOS1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  17. 2667EMXSZ109DAwith ductless indoor unit EMXWAL09DAEMI1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  18. 2668EMXSZ112DAwith ductless indoor unit EMXWAL12DAEMI1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  19. 2669EMSO19S12CH230Awith ductless indoor unit EMSI19S12CH230AENVIAIR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  20. 2670EMSO19S12CH230AUwith ductless indoor unit EMSI19S12CH230AUENVIAIR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  21. 2671EMSO28S18AY230Awith ductless indoor unit EMSI28S18AY230AENVIAIR1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  22. 2672MKTH1825C-17with ductless indoor unit MKTH1825E-17Everwell1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  23. 2673EVO-TP-18BBTUOwith ductless indoor unit EVO-TP-18ABTUIEVO AIR1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  24. 2674FA-H18-D24TL/O-454with ductless indoor unit FA-H18-D24TL/I-454ForestAir1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  25. 2675FA-HY09-D24TL-O-454with ductless indoor unit FA-HY09-D24TL-I-454ForestAir1 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