Tag: super window



super windows

299. LiteZone R22 super windows are a game-changer for green homes

Net-Zero and passive houses may have 16-inch thick walls and R50 insulation, but what to do about the windows? After years of development, Greg Clarahan says he has the answer – super windows with unheard-of R22 insulation values. This could be a game-changer for green homes.