Triple Plays

One key to the home’s efficiency is a tight building envelope that keeps the heat inside. Triple-paned windows by Optiwin (check out the three reflections of the flame below) and well-sealed frames do the trick. 

optiwin.com  Photo 7 of 8 in Inside One of France’s First Passive Houses

Inside One of France’s First Passive Houses

7 of 8

One key to the home’s efficiency is a tight building envelope that keeps the heat inside. Triple-paned windows by Optiwin (check out the three reflections of the flame) and well-sealed frames do the trick.