«R» You Ready?­A unit called «R-value» is used to measure the energy of insulation: The next R-worth represents larger thermal resistance. For example, a single-glazed window has an R-worth of about R-1 [supply: Build It Photo voltaic]. Further panes of…

That is another frequent curtain rod, and it is used commonly for home windows with large openings. They can be mounted by the wall or up within the ceiling. They are simple to install, fashionable, and highly appear to be…