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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. 2351TWH18R32DOwith ductless indoor unit TWH18R32DSIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  2. 2352WZEN09HPJ132AOwith ductless indoor unit WZEN09HPJ132AHGree1 ton · 9,100 Btu/h · DuctlessBelow the middle1.85
  3. 2353A-KHP09SA-1with ducted air handler B-KHP09DA-1Kerr1 ton · 9,000 Btu/h · DuctedBelow the middle1.85
  4. 2354KAC-12WH(E/6)DBP-M100with ductless indoor unit KAC-12GH(E/6)DBP-M100KHR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  5. 2355KAC-12WH(E1/6)DBP-M100with ductless indoor unit KAC-12GH(E1/6)DBP-M100KHR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  6. 2356A-VHP09SA-1with ducted air handler B-VHP09DA-1Lennox (sold as Comfort Aire)1 ton · 9,000 Btu/h · DuctedBelow the middle1.85
  7. 2357VPC018H5M-3PLennox1.5 tons · 18,200 Btu/h · DuctedBelow the middle1.85
  8. 2358VPC018H5M-3P*Lennox1.5 tons · 18,200 Btu/h · DuctedBelow the middle1.85
  9. 2359D5CERAH12AAJwith ductless indoor unit D5FEHAH12XCJLPS Legacy1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  10. 236037MHRAQ12AA1with ductless indoor unit 45MHHAQ12XC1Midea1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  11. 2361D5CERAH12AAJwith ductless indoor unit D5FEHAH12XCJMidea1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  12. 2362MO1BS-H12B-1Awith ductless indoor unit MSGNS-H12B-1AMidea1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  13. 2363MO1CS-H12B-1Awith ductless indoor unit MSBNS-H12B-1AMidea1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  14. 2364MOU-B09H-2with ducted air handler MIU-B09D-2Midea (sold as CTMorley)1 ton · 9,000 Btu/h · DuctedBelow the middle1.85
  15. 2365MOU-B12G-1with ductless indoor unit MIU-B12W-1Midea (sold as CTMorley)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  16. 2366MOX230-12HFN10-B1Ewith ductless indoor unit MSAG11B-12HRFN10-B1EMidea (sold as MDV)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  17. 2367MOX230-12HFN10-B1E-Dwith ductless indoor unit MSAG11B-12HRFN10-B1E-DDMidea (sold as MDV)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  18. 2368RO-SZ12-LA-Jwith ductless indoor unit RW-SZ12-LA-JMitsutomo1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  19. 2369MSHMA09C2AN1with ducted air handler GDHRA09C2AS1MOOVAIR1 ton · 9,000 Btu/h · DuctedBelow the middle1.85
  20. 2370NDHAS26BA-09-Owith ducted air handler NDHASHDBB-09NAPOLEON1 ton · 9,000 Btu/h · DuctedBelow the middle1.85
  21. 2371OBMH120Bwith ductless indoor unit IBMH120BNG Trade1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  22. 2372DXH18ESK3ILwith ductless indoor unit DHH18ESK3ILNortek Global HVAC (sold as Gibson)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  23. 2373NOX230-12HFN10-115with ductless indoor unit NSAG11B-12HRFN10-115Nutech1 ton · 12,000 Btu/h · DuctlessBelow the middle1.85
  24. 2374OCHX-H18A-Owith ductless indoor unit OCHX-H18A-IOUELLET1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85
  25. 2375YN018GLSI24RPGwith ductless indoor unit UT018GLSILCFHGPioneer1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.85

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