This article was written by HVAC contractor and Building Science Whiz, Michael Housh. Thanks, Michael! For a while, I’ve fallen into this camp where I feel Manual J overshoots heating loads. First off, I would like to say that Manual J is only as good as the information you give it, but we often run […]

Over the last 30 years, there has been a big move away from conventionally framed roof structures towards engineered structures— specifically engineered trusses and load-bearing engineered beams like micro laminated and even steel. I have been in so many attics where the engineered roofing or other load-bearing structures have been cut to accommodate equipment, wires, […]

This tech tip is based on a recent podcast with Eugene Silberstein from ESCO Group. Even though we cover a lot of similar ground, this tech tip is unique and comes with several links that could help anyone who wants to start or improve an internal training program. If you haven't yet listened to “How […]