Evolution Packaged Gas Furnace and Air Conditioner

Model: 577D

Gas Heating, Electric Cooling: Now Get the Best of Both

The ultimate in cost-effective home heating and cooling, our advanced Evolution System maintains ideal temperature and humidity levels, whatever the weather. You'll get total comfort, top-of-the-line efficiency and bottom-line savings year round.



  • Up to 15 SEER
  • Up to 12 EER
  • Up to 81 AFUE
  • Energy Star approved on 14 SEER model
  • Puron® Refrigerant
  • 2-5 tons cooling capacity
  • 40,000-130,000 BTUH heating capacity
  • 72 dB (quiet as a vacuum)
  • 2-speed scroll compressor on 14 SEER model
  • Loss of charge switch
  • Galvanized steel cabinet
  • AeroQuiet™ Top
  • Uses Evolution&trade Control
  • Louvered grille
  • Evolution diagnostics
  • PerfectHumidity® for perfect comfort
  • Stainless steel heat exchanger with a lifetime limited warranty
  • 10-year limited warranty on compressor
  • 5-year limited warranty on entire unit


    • RATINGS
    Energy Efficiency  
    Quiet Level  
    Durability  



    Back to Gas Packs