I'm building a home and want to have a passive solar greenhouse added to the south side. What configuration tips can you give?

— RP Williamson Denver, CO

Florian Speier

Answered by Florian Speier

Zeitgeist Sustainable Residential Design

July 30, 2010

I'm building a home and want to have a passive solar greenhouse added to the south side. What configuration tips can you give?

— RP Williamson Denver, CO

Answered by Florian Speier on July 30, 2010

When insulating interior basement walls, do you need to insulate below the frost line? Or does the soil act as a natural insulator?

— paul Sellersburg, IN

Answered by Florian Speier on July 30, 2010

What is a reasonably priced hard-surface flooring with low VOCs?

— mairiyn stefani Royal Oak, MI

Answered by Randy Potter on 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

My AC service contractor wants to sell me a new unit with environmentally friendly Freon. What does that mean? Should I buy it?

— Ellen Stover Tampa, FL

Answered by Steve Saunders on July 28, 2010

What do you know about a water softener product called Scale Blaster?

— Yesim Erke-Magent Allentown, PA

Answered by Matthew O'Toole on July 28, 2010

Has anyone ever used the Easy Water no-salt water conditioning system?

— Thank You, MArk Gamba Whippany, NJ

Answered by Matthew O'Toole on July 26, 2010

My daughter has gone to college, so her room sits unused. Should we close it off and close the AC vents?

— Earl Bollinger Covington, LA

Answered by Tammy Schwolsky, LEED AP, GPR, HPwES on July 26, 2010

When we purchase a home I would like to upgrade to solar. What does it take and how much does it cost?

— Sonya Watkins Jasper, IN

Answered by Evan Little on July 26, 2010

Is it possible to find granite countertops that do not emit gamma radiation?

— kathy Powell West Palm Beach, FL

Answered by Polly Osborne, AIA, LEED AP on July 22, 2010

Is it better to use a gas or electric heater to back up a solar hot water heater?

— Marge Stevens Corvallis, OR

Answered by Rich Franz-Ünder on July 22, 2010

We are concerned about possible offgassing from spray-foam insulation for a home under construction.

— Kara Palley Passaic, NJ

Answered by Rick Goyette on July 21, 2010

Can I get LEED-H credit if I use thermo-treated wood for a deck and the raw material certified by FSC?

— Wendy State College, PA

Answered by Rick Goyette on July 21, 2010

We would like to design a flat-roof home that is green. What do we do with the ductwork?

— Elizabeth Houston, TX

Answered by Rich Franz-Ünder on July 20, 2010

I am insulating the walls in my duplex for sound. I need advice on what will be most effective.

— Margo Lillig--Gruesser Albany, CA

Answered by Rich Franz-Ünder on July 20, 2010

 

Have a Question?

Ask our knowledgable panel of professionals

Ask A Question