299A. Super Windows Part 1 - LiteZone R22 glass units most efficient in the world

GREEN ENERGY FUTURES CKUA PODCAST PART 1 - We take a tour of the LiteZone plant where they are producing the most energy-efficient windows in the world. These glass units have two panes of glass and anywhere from one to eight films producing unheard-of insulation levels ranging from R 6.8 to R 22. Green Energy Futures CKUA Podcast.