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Understanding the British Thermal Unit
The BTU 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
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My Top 10 Building Science and Energy Efficiency Ideas of 2015
A year-end review of the articles and ideas that made me think
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Is Your House Too Leaky Because of Fiberglass?
Dirty fiberglass indicates a problem. Who’s to blame?
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Preventing Accidental Dehumidification
A lesson for winter on dew points and condensing surfaces
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Not All Energy Savings Are Equal
The duck curve is throwing a monkey wrench into utility operations
