The point of building a house with extreme energy efficiency in mind is to, well … save money. The thing is that an energy efficient house – like a Passive House® -costs considerably more to build. Or, at least it did.
This year we found a way to build a home to Passive House® standards for the same cost as the custom home I usually build.
Until recently, the way builders achieved the Passive House® standard was to use a specially designed double wall construction. This is a very elaborate, very complicated, and very time consuming wall system to construct. It requires a much more labor and materials compared to conventional stick built procedures. Of course, this also means a lot more time and costs to building the home. Read the rest of this entry »