How should I add insulation to my 87 year old house?

— Maria Wichita Falls, TX

Answered by Lucas Johnson on April 3, 2012

Who would I contact to get my attic properly ventilated?

— James Belanger Oakland, ME

Answered by Elizabeth DiSalvo on April 3, 2012

What can I use to replace the vapor barrier on my 30 year old home?

— Kym Herferth Houston, TX

Answered by Andrea Palmer on March 27, 2012