Green attic insulation Questions

The air flow on the central air is barely cool even at low temperature. What might be wrong?

— Tom Swanton, OH

Dennis Cheslik

Answered by Dennis Cheslik

GreenTex Energy Savers

July 30, 2010

The air flow on the central air is barely cool even at low temperature. What might be wrong?

— Tom Swanton, OH

Answered by Dennis Cheslik on July 30, 2010

Would you recommend foam insulation for a tight attic space?

— Ronnie West Hempstead, NY

Answered by Danny Kelly - KMC Green Team on July 16, 2010

A domestic hot-water pipe in our kitchen wall freezes in very cold weather. Solutions?

— gary t Hackensack, NJ

Answered by Danny Kelly - KMC Green Team on July 13, 2010

I live in a Santa Fe style house, the kind with a flat roof and no attic crawlspace. Is there a way to improve attic insulation?

— Bente Jensen Palm Desert, CA

Answered by Tammy Schwolsky, LEED AP, GPR, HPwES on July 11, 2010

Is three inches of batt insulation enough for my attic?

— Martin Bennett Bowie, MD

Answered by Steve Saunders on July 1, 2010

My roof has two layers of 4-inch foam insulation with a 2-inch gap between them. Do I need to vent this gap to stop condensation?

— Kerry Fenn Fort Lauderdale, FL

Answered by Bill Bradbury on June 1, 2010

Should I use open or closed-cell foam insulation only on attic and gables, not walls? I do not want water problems.

— Gail Johnson Crowley, LA

Answered by Hamid Kashani - AIA on May 28, 2010

Should we use open cell or closed cell SPF insulation on the underside of our attic roof in southeast Louisiana?

— William Jordan Slidell, LA

Answered by Rick Goyette on May 20, 2010

I'm remodeling my house and I feel like I am missing out on incentives. What are the hot new incentives out there?

— Frank Lee San Diego, CA

Answered by Rick Williams on April 5, 2010

What's the best way to seal a 30-year-old AC duct system in an attic?

— Glenn Summers Melbourne, FL

Answered by Andrea Foss on March 23, 2010

My soffits are covered with insulation. Do I remove all insulation over the soffits or push it back and put sleeves in?

— wendy ashby Davenport, IA

Answered by Erik Henry on March 7, 2010

Adding attic insulation

— Matthew Tannehill

Answered by Andrea Foss on January 21, 2010

I'm converting my attic into a non-vented conditioned space. Should I use open cell or closed cell foam to insulate?

— Gary Lichtenstein

Answered by Steve Saunders on January 14, 2010

What is the most energy efficient way to get rid of ice dams on a slate roof? The roofer suggests heating cables. Isn't there a better way?

— Joel Shoner

Answered by Rob Moody on January 14, 2010

Do you recommend closed cell foam or open cell foam for the undersurface of the roof deck?

— Brad Priester

Answered by David Cook on January 14, 2010

 

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