Do I need a ridge vent if I have an attic fan?

— Chrissy Moorestown, NJ

Answered by Polly Osborne, FAIA, LEED AP on September 25, 2013

Should we replace the cast iron boiler in our 1968 home?

— Kathy L Mount Holly, NJ

Answered by Sean Lintow Sr on September 25, 2013

How do outside air vents work?

— Marlene Sargeant East Lansing, MI

Answered by Joshua Lloyd on September 12, 2013

What is suitable insulation for my exterior basement walls (foundation)? I have to sheet rock them.

— George T. Arteaga Huntington Station, NY

Answered by Joshua Lloyd on September 12, 2013

How can I have the bedrooms in my house insulated?

— Takesha McClane South Bend, IN

Answered by Jason Kliwinski on September 9, 2013

Is an Energy Audit really worth it?

— Thomas Bangalter San Diego, CA

Answered by Jason Kliwinski on September 9, 2013