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Sleuthing a Basement Moisture Problem
What caused that nasty looking spot on the ceiling tiles?
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Animal, Vegetable, or Mineral? (Part I)
Is there a simple way to determine if something is alive, ever was?
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Fiberglass Is Still Home Builders’ Number One Insulation Choice
Here's what you need to know about it
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Understanding Rainscreens
These construction details can improve the durability of exterior walls by allowing rain and moist air to escape from behind your home's siding
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The Best Velocity for Moving Air Through Ducts, Part 2
There's more to duct sizing than low resistance to air flow
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What is a Vapor Perm?
And who decided that 1 grain of water moving through 1 square foot of a material in 1 hour at a vapor pressure difference of 1 inch of mercury was the right measure?
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The Best Velocity for Moving Air Through Ducts, Part 1
A look at Manual D, physics, and best practices for duct sizing
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How Often Should You Change the Filter?
Every 30 days, when it looks dirty, or according to some other criteria?
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Soffit-to-Ridge Venting, Part 2
Refinements to the testing protocol and field testing
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The Problem With Skin Flakes in Your Air Conditioner
If you have a urine-like smell coming from the AC, skin flakes may be the reason