Building Science Live

Cup of Joe's

Cup of Joe - Betsy Pettit and Joe Lstiburek on How to Get to Net-Zero

To get to zero energy conservation takes us most of the way…and the last bit is the renewables piece.  We get 70 percent of the way to “net zero” with conservation….  Guess what…we changed…

Westford Symposium

Lessons From 70 Years Of Building Science Field Investigations (Hartwig Kunzel 2024)

Prof. Dr.-Ing. Kunzel is the Head of Department, Hygrothermics, Fraunhofer Institute for Building Physics, Germany. To say he is a legend is an understatement. He is the "godfather" of WUFI "Warme…

Building Science Briefs

What Does "Build Tight and Ventilate Right" Mean?

Things have evolved considerably since the Eisenhower and Diefenbaker years. Hutcheon taught us about air flow that decade but it took more than a half century to get it right. We needed air control…