Interview with Craig Drumheller: Insights to Buried Ducts in Attics
The 2018 edition of the International Energy Conservation Code (IECC) has been published, and it includes new provisions regarding HVAC ducts buried in vented attic insulation. The code changes, proposed by Craig Drumheller from the National Association of Home Builders (NAHB), allow ducts to be buried in attic insulation, and when using the performance path, provides credit for the improved duct efficiency. We sat down with Craig to dive into some of the details of his proposed code change, and how it can influence duct system design and energy savings. Can you give us a brief explanation of your…