Professionally accredited author Shane Wolffe will show you how to cost-effectively build your home to be as much as 85 percent more energy efficient, even in extreme climates. Written for the average person, this book simplifies building principles that formed the foundation of the Passivhaus (Passive House) standard, a building standard that produces ultra-low energy buildings. These are principles pioneered and perfected in Saskatchewan, Canada - a province with one of the most extreme climates in the world, having temperatures ranging from -40 C (-40F) to 35 C (95F). If energy efficiency...