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Five Types of R-Value
There’s a lot more to insulation than the number on the package
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The Water Efficiency Rating Score (WERS)
The Green Builder Coalition’s new tool is ready
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More About Global Warming and Insulation
It’s not as straightforward as many seem to believe
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Can Your Water-Resistive Barrier Take UV Exposure?
A recent report shows alarming degradation of water resistance in some WRBs after exposure to ultraviolet radiation
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The BTU-tiful History of the BTU
The British Thermal Unit gives us a handle on an abstract concept
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The Misleading Numbers Behind the Global Warming Impact of Insulation
An article purporting to quantify this effect has misinformed many in the green building community
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What Is the Ideal Relative Humidity in Winter?
The answer depends on the likelihood of accidental dehumidification
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Unvented Gas Appliance Industry Fails to Impress ASHRAE
A research study they paid for and presented at the residential ventilation standard committee meeting hurt their case
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Don’t Let Your Garage Make You Sick
There’s bad stuff in the air in your garage — here’s how to keep it out of the house
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The Pros and Cons of Skylights
Consider both when designing or fixing a home