mini ERV locations

Hello, I’m building a new home in southeast Alaska zone 7.  Ive got 3in of polyiso with taped seams on the outside with no interior vapor barrier.  ventilation and humidity… Hello, I’m building a new home in southeast Alaska zone 7.  Ive got 3in of polyiso with taped seams on the outside with no interior vapor barrier.  ventilation and humidity…Read MoreGreenBuildingAdvisor