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Permeability of Oriented Strand Board
A look at whether the claims around OSB's permeability ratings prove true in practice
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The Passive House Conference in California Is Where It’s At!
PHIUS will host the 9th annual North American Passive House Conference next month
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Using the Pen Test for Control Layers
It’s an invaluable tool for architects and contractors
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The Achilles’ Heel of Zoned Duct Systems
The way that many zoned duct systems handle excess air can create a few problems
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Is It OK to Close Air Conditioner Vents in Unused Rooms?
In most cases, the answer is no
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How Duct Leakage Steals Twice
Where duct leaks occur matters as much as how much leaks
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Energy Efficiency Requires More Than an App on Your Smartphone
A lot of IT companies are looking to cash in on the home energy efficiency market, but they're missing something essential
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Four Ways to Find the Size of Your Air Conditioner
If you want to determine the cooling capacity of an older installed air conditioner, here are your options
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A Blower Door Is the Hydraulic Jack of Building Science
Blaise Pascal discovered the physics that connects the blower door and the hydraulic jack
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What Architects Need to Know About Attic Kneewalls
If you want your building enclosure to perform well, you need to start with good design details – especially for kneewalls