Evolution® Packaged HYBRID HEAT® Dual Fuel System
Our Top Technology for Year-Round Total Comfort
It's an Evolution in energy-smart heating and cooling and the quietest, most efficient system we offer: a packaged solution that delivers cost-effective heat pump power, then switches to gas furnace heat when needed.
Models: 677D
- 15 SEER
- 12 EER
- 8.0 HSPF
- Up to 81% AFUE
- ENERGY STAR® approved
- Puron® refrigerant
- 2-5 tons cooling capacity
- 40,000-130,000 BTUH heating capacity
- 72 dB (quiet as a vacuum)
- Perfect Humidity™ system for perfect comfort
- 2-speed scroll compressor
- Uses Evolution® Control
- Evolution diagnostics
- Loss of charge switch
- Galvanized steel cabinet
- Louvered grille
- 10-year parts limited warranty upon registration; Stainless steel heat exchanger lifetime parts limited warranty upon registration; Copper coil 5-year parts limited; Tin plated coil 10-year parts limited warranty





