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A New Passivhaus Standard for North America
Katrin Klingenberg explains why the superinsulation standard developed for Central Europe is inappropriate for North America
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Do Foil-Faced Building Products Block Cell Phone Reception?
The Energy Nerd tries to track down answers to longstanding questions about radiant barriers and cell phones
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Alaskan Glaciers Are Rapidly Melting
This summer brings worrisome signs of global climate change: shrinking glaciers, record-breaking heat waves, and unprecedented droughts
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The Connection Between Obesity and Climate Change
Overweight people are disproportionate contributors to global climate change
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New Green Building Products — July 2012
A housewrap that encourages drainage, a new liquid-applied water-resistive barrier, polystyrene inserts to improve the R-value of ICFs, and a better way to install manufactured stone veneer
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How to Insulate a Basement Wall
If you want to avoid moisture problems and mold, choose your insulation materials carefully
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Understanding Energy Units
Don't confuse energy and power — it's important to know the difference between Btu and Btu/h, as well as kW and kWh
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Joe Lstiburek Discusses Basement Insulation and Vapor Retarders
An all-day seminar with Dr. Joe yields two news stories, a six-digit idea, and plenty of quotable opinions and conclusions
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Broken Ventilation Equipment Goes Unnoticed for Years
When an ERV falls in the forest, is there anyone around to notice it’s broken?
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Belgian Passivhaus is Rendered Uninhabitable by Bad Indoor Air
Inward solar vapor drive and damp earth tubes conspire to ruin an expensive new superinsulated home