3 Reasons to Rethink Crawlspaces in Passive House Design On NESEA’S BuildingEnergy course Passive House Design course discussion board… Takeaways: Typically, Passive Houses do not feature crawlspaces (a foundation that is five feet or less, and fully enclosed — or, not vented to outside) because: If the thermal boundary is at the… Continue reading “3 Reasons to Rethink Crawlspaces in Passive House Design”