Evolution Series Fan Coil Model: FE4A Key Features Improve system efficiency by 2 SEER Cooling savings up to 16% Heating savings up to 10% Environmentally friendly Puron® Refrigerant Puron Refrigerant specific Thermostatic Expansion Valve metering device Smart Diagnostics Evolution™ control board Advanced user interface Improved humidity control Advanced temperature control Click here to read more. Preferred Series Fan Coil Model: FK4D Key Features Environmentally sound Puron® Refrigerant or R-22 refrigerant systems Refrigerant specific Puron Refrigerant or R-22 Thermostatic Expansion Valve metering device Can improve overall system efficiency by up to 2 SEER Cooling savings up to 16% Heating savings up to 10% Variable speed fan Improved humidity control Enhanced indoor air quality Optional electrical resistance heat 5-year limited warranty Click here to read more. Legacy Line Fan Coil Model: FC4D Key Features Environmentally friendly Puron® Refrigerant or R-22 refrigerant Refrigerant specific Puron® Refrigerant or R-22 Thermostatic Expansion Valve metering device Foil-faced insulation High efficiency fixed speed fan Enhanced indoor air quality Optional electrical resistance heat 5-year limited warranty Click here to read more.

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