Affordable Single Family Passive House Construction Techniques

Hi all-I’m designing a passive house single family home in northern Zone 4a, which is a mixed climate, and I need some feedback on cost effective assemblies please, specifically roof… Hi all-I’m designing a passive house single family home in northern Zone 4a, which is a mixed climate, and I need some feedback on cost effective assemblies please, specifically roof…Read MoreGreenBuildingAdvisor