Building Envelope

Making energy-efficient changes to the exterior of your building can reduce your energy consumption and save you money on your electric bill.


Window Film

Window film helps to reduce cooling costs in a building by reducing the amount of solar heat entering through windows. Manufacturers make a variety of films for all types of glass. In order to qualify for the rebate, the type of film selected must meet specific criteria for solar heat gain and shading coefficients. Rebate are not available for shaded or north-facing windows.