Green Energy Efficiency Questions

Where can I find out how much pollution will be reduced by being more energy efficient?

— Duane College Park, MD

Answered by Tammy Schwolsky, LEED AP, GPR, HPwES on April 30, 2010

Should I replace metal duct in a 1950s home with the current flex duct? Or is cleaning better?

— Michael Whittier, CA

Answered by Rick Goyette on April 29, 2010

How can I keep the dryer heat in the house without the dust?

— Nelson Nafziger Parkesburg, PA

Answered by Rick Goyette on April 29, 2010

Do I need to tear out drywall on walls shared by another building for thermal bypass inspection? And is there any EE reason to do a test?

— John Milligan Indianapolis, IN

Answered by Tammy Schwolsky, LEED AP, GPR, HPwES on April 28, 2010

I am considering Visions 3000 with Zo-e-shield for vinyl replacement windows, but I can't find evaluations. What do you think?

— Dawn Gardner Flagstaff, AZ

Answered by Florian Speier on April 27, 2010

Should I put 2" DOW insulation board on the outside or inside of my semi-conditioned crawl space?

— Doug Keaty Albuquerque, NM

Answered by Danny Kelly on April 24, 2010

I keep hearing that I should get a home energy audit. What should I expect to pay and expect to get?

— Marcia Hammond Oakland, CA

Answered by Steve Saunders on April 14, 2010

Are there CFLs or other energy-saving light bulbs that work on a dimmer-regulated light fixture?

— Alisa Moore San Francisco, CA

Answered by David Bergman on April 7, 2010

I am a renter. Besides replacing my windows, what other options do I have to make my existing windows more energy efficient?

— Michael Scott Phoenix, AZ

Answered by Kati Curtis, LEED AP ID&C, CID on April 6, 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

I want to replace my windows, and I would like to know what options I have. Which materials are the greenest?

— Frank Lee Phoenix, AZ

Answered by Christian Kienapfel | AIA Architect | RA | LEED AP | Dipl.-Ing. Architekt (Germany) on April 1, 2010

What is the best way to heat a big open floor? Ductless units or a radiant baseboard unit?

— B Stewart Washington, DC

Answered by Andrea Foss on March 29, 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

Should I consider installing a whole-house hydronic radiant floor heating system with an electric water heater heating the water?

— Calvin Seattle, WA

Answered by Scott Scherer on March 23, 2010

I hear there are heat-insulating paints that contain tiny ceramic balls. How effective are they?

— Tokunbo Osindero Floral Park, NY

Answered by Andrea Foss on March 23, 2010

 

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