Building Science Blog Site

[ramps]

Energy Vanguard  has a huge amount of excellent building science and especially air tightness info. Sadly it is US based which means annoying imperial units, and often discussions on US regulations and standards. Some here might never the less appreciate the often technical in depth discussions.

http://www.energyvanguard.com/blog-building-science-HERS-BPI/bid/57467/A-Blower-Door-Can-t-Tell-You-How-Much-Mechanical-Ventilation-You-Need