NO ELECTRICITY IS NEEDED 

• WARM, ADJUSTABLE HEAT – Keep living or work spaces heated with a direct vent wall heater with room thermostat that lets you monitor your heat dispersion, BUILT-IN THERMOSTAT (Low - High Dial) - 11,000 BTU
• EXCLUSIVE GLASS CERAMIC WINDOW – A true market exclusive accessory, ONLY available on 11,000 Btu and 20,000 Btu indoor propane gas units
• STYLISH & CLEAN ENERGY – A sleek fireplace design, our direct vent gas heater produces safe, clean energy that’s economical and aesthetically pleasing.
• QUICK & EASY INSTALLATION – Connect our propane wall heater direct vent to a gas fitter and it will heat your living space effectively with low maintenance required.(The wall's thickness cannot be less than 4-1/2” (11.5 cm) nor can it exceed 12-5/8” (32 cm).)
• CERTIFIED QUALITY – Heavy-duty grill made with die-cast aluminum and glass ceramic window for more safety, Product is certified for use in the USA and Canada.