Low Emittance Doors/Windows

Low Emittance Doors/Windows
Building materials considered low emittance include window glass manufactured with metal-oxide coatings, housewrap materials, reflective insulation’s and other forms of radiant barriers. The Solar Heat Gain Coefficient (SHGC) (http://www.energycodes.gov/support/shgc_faq.stm) can be used to measure how well a window blocks heat from sunlight.