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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, 2.5–3 tons: every model, highest efficiency on a 5°f day first

One size class at a time, so the numbers compare directly.

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

  1. 1876HPA30S1-*Lennox (sold as Comfort-Aire)2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.60
  2. 1877LRP13HPK30EP-*Lennox2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.60
  3. 1878RPHPE-71330P-*Lennox (sold as Armstrong Air)2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.60
  4. 1879RHPAYB030AJTAIRTEMP2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  5. 1880ART-HF36SSMR3-D01/SE134APLUS2.5 tons · 32,000 Btu/h · DuctedBelow the middle1.58
  6. 1881MYIRU36NA22BCH14*Bestcold3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  7. 1882BPAC3TPUHP15SBULLETPROOF AC3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  8. 1883CSV36-32COMFORTSTAR3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  9. 1884CP36HPINV15PUCOOLPRO3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  10. 1885DPHP4036A1FH000ADynoaire2.5 tons · 32,000 Btu/h · DuctedBelow the middle1.58
  11. 1886RHPAYB030AJTFriedrich2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  12. 1887RHPAYB030AJTFujitsu2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  13. 1888ZWDA-36HIN4-M-SE15iCongo3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  14. 1889ZWDA-36HIN4-M-SE15*iCongo3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  15. 1890CELESTIAL-36K220V-7K&A3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  16. 1891CELESTIAL-36K220V-7*K&A3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  17. 1892RHPAYB030AJTNortek Global HVAC (sold as Frigidaire)2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  18. 1893PEHPINVPR36KPOLAR ELITE3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  19. 1894RHPAYB030AJTRheem2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  20. 1895RHPAYB030AJTRUSSELL2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  21. 1896RHPAYB030AJTTHERMAL ZONE2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  22. 1897RHPAYB030AJTWHIRLPOOL2.5 tons · 28,600 Btu/h · DuctedBelow the middle1.58
  23. 1898ZPRV10HPBYFC-15SZERO3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  24. 1899ZRRV10HPBYFC-15SZERO3 tons · 34,600 Btu/h · DuctedBelow the middle1.58
  25. 1900LHX036S5***GLennox3 tons · 34,600 Btu/h · DuctedBelow the middle1.55

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