What is a Passivhaus? And why are they Amazing?

Interest in Passivhaus is now soaring. Here is my take on Passivhaus from personal experience. What is a Passivhaus? So, what is a Passivhaus? In a nutshell a Passivhaus is a super low energy, or zero energy building. Specifically, it aims to reduce a buildings heating and cooling energy consumption as close to zero as READ MORE