Can you recirculate water in domestic hot water system loop when no water is being used for example from a sink. Closed loop.

— Richard Ryan Philadelphia, PA

Answered by Daniel Glickman on March 28, 2012

What can I use to replace the vapor barrier on my 30 year old home?

— Kym Herferth Houston, TX

Answered by Andrea Palmer on March 27, 2012

Are there Energy Star clothes dryers?

— Michael Anthony Olathe, KS

Answered by William Fry on March 27, 2012

How do I insulate windows in a sun room and should I keep it heat/cooled when not in use?

— Charlotte Morris, AL

Answered by Rhonda Stanton on March 24, 2012

I would like some input regarding a non-vented attic space for a project in Orlando, FL.

— ryan young Orlando, FL

Answered by David Toder on March 22, 2012

I am looking at either a PV system or solar hot water. Which has the biggest ROI?

— Terry Luttrell Harsens Island, MI

Answered by Paul Rosen on March 21, 2012

Is the Redy Temp Hot Water Recirculation System worth the additional cost? It is expensive.

— Del Fussell Parker, CO

Answered by Polly Osborne, AIA, LEED AP on March 21, 2012

How best to heat an Arizona two-story home?

— Ted Queen Creek, AZ

Answered by Rich Franz-Ünder on March 21, 2012

Should I get a heat pump with or without a RCC?

— peakproducts Germantown, TN

Answered by Rich Franz-Ünder on March 21, 2012

What do you think of using only the house fan at night to circulate air when neither heat nor AC is needed?

— Beckie Gaithersburg, MD

Answered by Colleen McLean on March 19, 2012

 

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