Is there such a thing as green air duct cleaning for a condo a/c system?

— Leslie Cedar Pompano Beach, FL

Answered by Edward Wright on May 30, 2012

How best to heat an Arizona two-story home?

— Ted Queen Creek, AZ

Answered by Rich Franz-Ünder on March 21, 2012

Should I get a heat pump with or without a RCC?

— peakproducts Germantown, TN

Answered by Rich Franz-Ünder on March 21, 2012

How should I insulate my duct work?

— Shauna Napa, CA

Answered by Michael Holcomb on January 6, 2012