What is the best green insulation to use in our crawl space?

— L. Stephenson Palos Verdes Peninsula, CA

Answered by Bill Bradbury on January 31, 2012

Is there an eco friendly removable caulk product out there?

— Carol Gonzalez Laguna Beach, CA

Answered by Cynthia Phakos on January 6, 2012

How should I insulate my duct work?

— Shauna Napa, CA

Answered by Michael Holcomb on January 6, 2012

Should I be heating the basement of my home?

— hanora crandall Saint Cloud, MN

Answered by Michael Holcomb on January 6, 2012