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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. 1576GRID18OM2Gridless1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  2. 1577HVHMZ-18V2DHAXXAIR1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  3. 1578HM18Hessaire1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  4. 1579AMO2-18U3T25UHisense1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  5. 1580AMW2-18U3TJAHisense1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  6. 1581MOS12H2BH0Awith ductless indoor unit MCS12H2BHRAInnovair1 ton · 12,000 Btu/h · DuctlessGood1.99
  7. 1582QOM18H2BM2AInnovair1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  8. 1583KOB-HH-PSX12HP-2AAMAwith ductless indoor unit KIB-PSX12CT-2AAMAKaden1 ton · 12,000 Btu/h · DuctlessGood1.99
  9. 1584KEENUMHP12AAwith ductless indoor unit KEENOWAH12AAKEEN Home1 ton · 12,000 Btu/h · DuctlessGood1.99
  10. 1585A-KHP12SA-1with ductless indoor unit B-KHP121A-1Kerr1 ton · 12,000 Btu/h · DuctlessGood1.99
  11. 1586A-VHP12SA-1with ductless indoor unit B-VHP121A-1Lennox (sold as Comfort Aire)1 ton · 12,000 Btu/h · DuctlessGood1.99
  12. 1587KUSAB121Awith ductless indoor unit KNUAB121ALG1 ton · 12,000 Btu/h · DuctlessGood1.99
  13. 1588D5CERAH09AAKwith ductless indoor unit D5FEHAH09XCKLPS Legacy1 ton · 9,000 Btu/h · DuctlessGood1.99
  14. 1589D5CERAH18AAKwith ductless indoor unit D5FEHAH18XCKLPS Legacy1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  15. 1590D5CSHAH12AAKwith ductless indoor unit D5FSOAH12XAKLPS Legacy1 ton · 12,000 Btu/h · DuctlessGood1.99
  16. 159137MAHAQ12AA3with ductless indoor unit 45MCCAQ12XA3Midea1 ton · 12,000 Btu/h · DuctlessGood1.99
  17. 159237MHRAQ09AA3with ductless indoor unit 45MHHAQ09XC3Midea1 ton · 9,000 Btu/h · DuctlessGood1.99
  18. 159337MHRAQ18AA3with ductless indoor unit 45MHHAQ18XC3Midea1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  19. 1594D5CERAH09AAKwith ductless indoor unit D5FEHAH09XCKMidea1 ton · 9,000 Btu/h · DuctlessGood1.99
  20. 1595D5CERAH18AAKwith ductless indoor unit D5FEHAH18XCKMidea1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  21. 1596D5CSHAH12AAKwith ductless indoor unit D5FSOAH12XAKMidea1 ton · 12,000 Btu/h · DuctlessGood1.99
  22. 1597MO1BS-H09B-2Awith ductless indoor unit MSGNS-H09B-2AMidea1 ton · 9,000 Btu/h · DuctlessGood1.99
  23. 1598MO1BS-H18B-2Awith ductless indoor unit MSGNS-H18B-2AMidea1.5 tons · 18,000 Btu/h · DuctlessGood1.99
  24. 1599MO1CS-H09B-2Awith ductless indoor unit MSBNS-H09B-2AMidea1 ton · 9,000 Btu/h · DuctlessGood1.99
  25. 1600MO1CS-H18B-2Awith ductless indoor unit MSBNS-H18B-2AMidea1.5 tons · 18,000 Btu/h · DuctlessGood1.99

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