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Weather-Stripping Windows with V-Strip
An in-depth window study on six homes compares the effectiveness of plastic vs. metal weatherstripping.
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Steel Framing: How Green?
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Steel Framing: How Green? Q: Is the use of steel framing for residential construction turning into a trend that we must now take seriously? Isn't energy efficiency very tricky when using steel? ... [continue reading]

Sealing Up Your Home's Leaks
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Your house's walls and windows-what building professionals call the building envelope or shell-are supposed to prevent air from moving through them. [continue reading]

Snowy and Icy Indicators of Wasted Money
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With the recent huge increases in energy costs, figuring out how best to conserve energy and improve comfort in a home has become an urgent issue. [continue reading]

How to get Shading Right
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Recent improvements to window technology make substantial air conditioning energy savings possible. However, shading remains a time-tested method to accomplish the same end. [continue reading]

The Concrete Facts
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Q: What is autoclaved aerated concrete (AAC)? Why have I only heard about it recently, when apparently it has been around for years? When should a builder such as myself decide to use this material? ... [continue reading]

Crawlspace Condensation
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Crawlspace Condensation Q:I was called to a doublewide mobile home to investigate a problem with a 4- year-old duct system (the original duct system was ... [continue reading]



Scott Donnelly
GreenExpo365 Host
Keeping a home cool in the summer yet warm in the winter is a tough request. The choice of quantity ...


Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...



























