60 Inch Maxwell Commercial Industrial Air Curtain Hot Storm Series With Electric Heater 220v This not NOT an air conditioner. Maxwell MAFH air curtain series stabilizes indoor environment by producing powerful high-speed air flow dividing the inside and outside environments into 2 independent temperature zones. Durable galvanized steel casing retains its attractive appearance throughout its life.. Effictively repels flying insects, dust, and pollutants. Protects against the effects of smoke and noxious fumes Offers easy adjustable directional air flow louver and convenient two-speed hi-lo fan operation to improve indoor air circulation in summer and acts as an auxiliary heater in winter. Powerful low noise air flow maintains temperature separation up to 14 feet door height. Features temperature and power surge protection. Automatically restarts in case of power failure. Includes remote control, installation hardware, 5 ft. power cord, user's manual, installation manual, manufacturer warranty.