In this video, learn how to install insulation in walls and ceilings, including fiberglass batts and insulation in roof trusses. Discover the purpose of rafter baffles or rafter vents and how to ...

Q: Help! My home feels cold in the winter and too hot in the summer, and I think I need to add insulation. But how much insulation do I need? A: According to the Insulation Institute, around 90 ...

The National Energy Technology Laboratory (NETL) reported in its January 2010 Tracking New Coal-Fired Power Plants report (PDF) that a total of 22 coal-fired units are under construction in the U.S., ...