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Airtight Wall and Roof Sheathing
Arguments in favor of exterior air barriers
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Researchers Predict U.S. Furnace Industry Is Doomed
Electronic gadgets will soon meet all U.S. needs for space heating
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Choosing Triple-Glazed Windows
Balancing U-factor and solar heat gain
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Forget Vapor Diffusion — Stop the Air Leaks!
Building codes are finally beginning to recognize that air barriers matter more than vapor barriers
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Vapor Retarders and Vapor Barriers
Answers to persistent questions about vapor diffusion
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The Energy-Efficiency Pyramid
Modeled on the ‘food pyramid,’ the conservation pyramid is a guide for energy retrofit work
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Air Conditioner Basics
Answers to common cooling equipment questions
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Duct Leakage Testing
For an energy-efficient forced-air system, seal seams with mastic and test with a Duct Blaster
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Energy-Efficient Garage Doors
Unfortunately, advertised R-values are meaningless
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It’s OK to Skimp On Insulation, Icynene Says
A manufacturer of open-cell spray foam advises building officials to approve insulation that doesn’t meet minimum R-value requirements