Can I run supply or returns in conditioned attics? What about ERVs?

So I’m building a new house in Houston, TX (5200 sqft – two story, with a conditioned attic). My goal is to air seal the house to passive standards (0.6… So I’m building a new house in Houston, TX (5200 sqft – two story, with a conditioned attic). My goal is to air seal the house to passive standards (0.6…Read MoreGreenBuildingAdvisor