Can I add insulation above a drop ceiling in the laundry room? And if I can, what kind? Can it just be laid over the tiles?

— Arlene Staten Island, NY

Answered by Jim Kirby on October 10, 2011

How do we prevent temperature spikes with our on-demand water heater?

— Jack Herndon Seattle, WA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on October 10, 2011

When replacing metal ductwork do we also need to replace vent caps and does code require return ducts for all bedrooms?

— Toni Morse Pompano Beach, FL

Answered by Harold Remlinger, AIA, LEED AP, NCARB on October 5, 2011

Can I use ceramic cove heaters on the ceilings of my 30' by 35' garage? I use it for wood working.

— MICHAEL Bend, OR

Answered by Harold Remlinger, AIA, LEED AP, NCARB on October 5, 2011

Where should the vapor barrier be located with regard to insulation, for a home in a tropical environment that has no conditioned space?

— Yen Chin Keaau, HI

Answered by David Willson on October 5, 2011

Why is the envelope so important on a new construction with a geothermal system?

— Mike Y Saint Paul, MN

Answered by Robert Hartford on October 1, 2011

I would like to use a geothermal heat pump in my off grid house with tubing in the concrete floor.

— Vickie Westcamp Yuba City, CA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on September 28, 2011

I'm wondering about the best way to insulate a wood frame home built in 1893.

— jim west Helena, MT

Answered by Michael Holcomb on September 28, 2011

I am thinking of supplementing the fiberglass insulation in my attic.

— Jerry H. Hopkins, SC

Answered by Michael Holcomb on September 22, 2011

Please suggest energy efficiency fixes that are reasonably priced for my 1850s home.

— Amy S Hollidaysburg, PA

Answered by Danny Kelly on September 22, 2011

 

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