Energy Efficiency Done Right is a energy efficienct product supplier. Our primary products are the In'Flector and Solar Selective Window Insulators. Our window insulators, when installed on an existing window will make it more energy efficient than a new low e window replacement! In'Flector is a See Through Radiant Barrier Window and Skylight Insulator than is both a solar rejector and a solar collector. In cold weather a 4' X 4' In'Flector Insulator can provide up to 2,096 Btu of heat per hour-the equivalent of a 600 watt electric heater!