The KING Electrical KING Electrical W1215 fan-forced wall heater is ideal for heating small rooms of for spot heating. Instead of using a bulky, unsightly space heater, simply install this unit directly into your wall. The W1215 gives you 2-Wattage options 500-Watt and 1000-Watt, allowing you to heat up to 100 Sq. ft. The unit saves valuable space and it looks like the register from a standard central heating system. The Heaters "Smart limit protection" shuts it off if its overheats.