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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.

Ducted, 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 426PH5SAN518**AA*with ducted air handler FMA5X18**ALBROCK1.5 tons · 17,400 Btu/h · DuctedGreat2.12
  2. 427T5H6S18*K*AAA*with ducted air handler FMA5X18**ALCarrier (sold as Tempstar)1.5 tons · 17,400 Btu/h · DuctedGreat2.12
  3. 428CPH3-18CD(O)with ducted air handler SEF3 - 18 - SG3COMFORTSTAR1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  4. 429CH-PQ18-230VOwith ducted air handler CH-PQ18AHUCooper&Hunter1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  5. 430RZA18AAVJU*with ductless indoor unit FCA18A*VJUDaikin1.5 tons · 18,000 Btu/h · DuctlessGreat2.12
  6. 431AOUH12KUBS1with ducted air handler ADUH12KUBSFujitsu1 ton · 12,000 Btu/h · DuctedGreat2.12
  7. 432SPHP-Z-V018BBwith ducted air handler AIRH-Z-V018V06CGree (sold as Ac Pro)1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  8. 433SHV18H2BAwith ducted air handler SAV18BDUInnovair1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  9. 434KOB-HH-UUX18HP-2AAMAwith ducted air handler KIB-HH-UUX18AH3-2AAMAKaden1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  10. 435KEENHYDHP18AAwith ducted air handler KEENULDAH18AAKEEN Home1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  11. 436D5CUHAH18AAKwith ducted air handler D5FUHAH24XAKLPS Legacy1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  12. 43737MUHAQ18AA3with ducted air handler 45MUHAQ24XX3Midea1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  13. 438D5CUHAH18AAKwith ducted air handler D5FUHAH24XAKMidea1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  14. 439MO1HE-H18B-2Awith ducted air handler MAUSE-H18B-2AMidea1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  15. 440MOX430-18HFN10-M3Xwith ducted air handler MVBDM-18HWFN10-WA3Midea (sold as MDV)1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  16. 441SUZ-AA18NLHZ***with ducted air handler PEAD-AA18NLMitsubishi Electric1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  17. 442UHO18-NB-LA-Qwith ducted air handler UHMX3-18-AB-LA-QMitsutomo1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  18. 443MSHMA18R2AN1with ducted air handler MAHHA18R4AS1MOOVAIR1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  19. 444LEA18CEN36-Owith ducted air handler LEA18HH-CEN-INOVAIR1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  20. 445ML18HP230LMNTH-Owith ducted air handler ML18HP230G3AHU-IRheem (sold as Mainline)1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  21. 446D5CUHAH18AAKwith ducted air handler D5FUHAH24XAKViessmann1.5 tons · 18,000 Btu/h · DuctedGreat2.12
  22. 447BZ33-18HP152-454Bwith ducted air handler AE*S+DM36A3J+TDRBreeze331.5 tons · 16,300 Btu/h · DuctedGreat2.11
  23. 448GWH09AVDXE-D6DNA1A/Owith ductless indoor unit GWH09AVDXE-D6DN***/IGree1 ton · 9,100 Btu/h · DuctlessGreat2.11
  24. 449GWH09AVDXE-D6DNA1B/Owith ductless indoor unit GWH09AVDXE-D6DN***/IGree1 ton · 9,100 Btu/h · DuctlessGreat2.11
  25. 450KW09XQ29S1DOwith ductless indoor unit KW09XQ29S1DIGree (sold as Kinghome)1 ton · 9,100 Btu/h · DuctlessGreat2.11

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