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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. 776MXZ-2D20NLHZ***Mitsubishi Electric1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  2. 777RUZ-AK18NLHZ***with ducted air handler RVZ-AP18NLMitsubishi Electric1.5 tons · 18,200 Btu/h · DuctedGood2.00
  3. 778HO-MT18-LA-QMitsutomo1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  4. 779RHO18-NB-LA-Qwith ducted air handler UHM18-BB-LA-QMitsutomo1.5 tons · 18,000 Btu/h · DuctedGood2.00
  5. 780MXHZA1832AV1MOOVAIR1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  6. 781MPN-18HFN3-220Vwith ducted air handler MPN-18HWFN3-220VMPN1.5 tons · 18,000 Btu/h · DuctedGood2.00
  7. 782MVP-18-HP-C-230A00-Owith ducted air handler MVP-18-HP-MUAH-230A00-OMRCOOL1.5 tons · 18,000 Btu/h · DuctedGood2.00
  8. 783O-ES-18-HP-C-230C-O1with ducted air handler O-18-HP-WMAH-232C-OMRCOOL1.5 tons · 17,000 Btu/h · DuctedGood2.00
  9. 784O-HH-18-HP-C-230C-Owith ducted air handler DUCT-18HP-230B-OMRCOOL1.5 tons · 17,000 Btu/h · DuctedGood2.00
  10. 78518MPC3-HH-BMulti MFG1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  11. 786NDHAMBB-18-ONAPOLEON1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  12. 787EZCENO18Kwith ducted air handler EZCENI18KNG Trade1.5 tons · 18,000 Btu/h · DuctedGood2.00
  13. 788MOSA32181NG Trade1.5 tons · 17,700 Btu/h · DuctlessGood2.00
  14. 789DXH18FMK3IHNortek Global HVAC (sold as Gibson)1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  15. 790LEA18SZ36-Owith ductless indoor unit 3LEA18USK-INOVAIR1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  16. 791LEA20MZ3P36-ONOVAIR1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  17. 792NOX330-18HFN10-M3with ducted air handler NVBC-18HWFN10-MB3E-DNutech1.5 tons · 18,000 Btu/h · DuctedGood2.00
  18. 793OAH-AHU18K-PR-Owith ducted air handler OAH-AHU18K-PR-DORTECH1.5 tons · 18,000 Btu/h · DuctedGood2.00
  19. 794OARX-H12A-Owith ductless indoor unit OARX-H12A-IOUELLET1 ton · 12,000 Btu/h · DuctlessGood2.00
  20. 795OFRM2X1-H18A-OOUELLET1.5 tons · 18,000 Btu/h · DuctlessGood2.00
  21. 796CU-3YM18CBUCPanasonic1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  22. 797CU-M18BAHUwith ducted air handler CS-HM18BAHUPanasonic1.5 tons · 18,000 Btu/h · DuctedGood2.00
  23. 7984PAMS18-HH-MZO2PERFECTAIRE1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  24. 7994PAMS18-HH-MZO3PERFECTAIRE1.5 tons · 19,000 Btu/h · DuctlessGood2.00
  25. 800YN020GLSI24M2GPioneer1.5 tons · 18,000 Btu/h · DuctlessGood2.00

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