Everything* you need to know about adding insulation to the outside of old homes with cold bones
18 Videos, articles, and animations showing you how to get through Section 1 of the Energy Star Thermal Bypass Checklist. It is about the continuity between various components of the air barrier system and the thermal envelope.
Windows are big holes in walls that must be sealed against wind, water, and heat. This guide covers scope of work, how to install them, and why it matters.