What is the best solar powered attic fan?

— Shelley Godwin Washington, IL

Answered by Danny Kelly on November 9, 2011

I would like to insulate my home from the inside. I am wondering if putting up beadboard could help insulate.

— Karen Jo McFeters Jackson, MI

Answered by Danny Kelly on November 9, 2011

We have inadequate wall insulation. What is the best approach to insulate our walls?

— Valerie Upton Knoxville, TN

Answered by Michael Holcomb on November 2, 2011

Looking for an energy star alternative to replace a tank hot water heater. I live in New England.

— Daviod Blank Stamford, CT

Answered by Michael Holcomb on October 27, 2011

We need a new boiler. What is the most efficient one on the market?

— linda Higganum, CT

Answered by Scott Chrisner on October 27, 2011

Had a few insulation companies come in and they suggest foaming over my vents. They said ventilation in attics is a thing of the past.

— Michele Garden City, NY

Answered by David Willson on October 21, 2011

Should I cover a smallish tear/hole at the lower part of my furnace casing with aluminum tape, or is it not a concern?

— WENDY FISHER Pataskala, OH

Answered by David Willson on October 21, 2011

An energy audit advised sealing & insulating our heating ducts, w/ spray adhesive to apply insulation. Can you recommend a nontoxic spray?

— Renee San Leandro, CA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on October 20, 2011

How do I install roof baffles in the rafters of my garage? I am currently installing R30 insulation.

— Dan Summit Hill, PA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on October 20, 2011

Our new cabin is 38' long facing south to Lake Superior. We want to see EVERYTHING and maximize solar gain. How mch is too much glass?

— Bob Skow Saint Cloud, MN

Answered by Danny Kelly on October 19, 2011

 

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