I have a soyfoam insulation estimate for the first floor walls of my 40 x 80 sq ft home built in 1976. Is $4250 worth it?

— Blair Frank Cedar Rapids, IA

Answered by Cynthia Phakos on December 6, 2010

I want to convert to solar energy. Where do I start?

— david johnson Stroudsburg, PA

Answered by Anthony Addesso on November 9, 2010

We are remodeling our home. What pipes and wiring will we need in the future to install solar PV and water-heating (when we have the $)?

— Doug Oakland, CA

Answered by Pete Gang, AIA, LEED-AP BD+C on November 8, 2010

I just installed solar PV on my townhouse. Do I qualify for LEED points?

— Kevin Minogue Palm Beach Gardens, FL

Answered by Danny Kelly on November 7, 2010

Are solar panels a viable replacement for propane heating?

— par Mountain View, CA

Answered by Lee Hall on August 29, 2010

We are remodeling our home. We want to add solar panels and efficient windows and not spend a lot of money. What's the best way to do this?

— Melissa McCumber Gary, TX

Answered by Anthony Addesso on August 24, 2010

Do you recommend solar shingles? Is the technology advanced enough for durability and problem-free installation?

— Leigh Poquoson, VA

Answered by Randy Potter on June 10, 2010

I have an old solar panel from 1984 on my roof. It is no longer connected. Could it still be good?

— Cecilia Hartley Mesa, AZ

Answered by David Edwards PhD on June 1, 2010

Would it be a good idea to add solar power to a 1700 sq. ft. home in Arkansas?

— Debby Boling White Hall, AR

Answered by Earthship Biotecture on May 25, 2010

Do I need a professional to install a PV solar system or can I do it myself?

— James Perry Indio, CA

Answered by Hamid Kashani - AIA, LEED Green Associate on May 22, 2010

 

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