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An Introduction to the Duck Curve
As solar electricity increases, the daily balance of supply and demand is changing dramatically
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Boilers Don’t Boil
Nearly all boilers used for residential heating just make hot water, not steam
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Solving a Crawl Space Water Mystery
Sometimes it takes some sleuthing in the rain to find how water gets into the crawl space
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Winterizing Tips That Work
If you really want to prepare your home for winter, ignore the standard advice and do this instead
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How the Stack Effect Can Defeat Your Winterizing Efforts
Some of the standard tips for winterizing a home may give you a warm and fuzzy feeling but won't give you a warm and cozy house
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Enterprise Green Communities and Passive House
The green building program for affordable housing gives points for PHIUS certification
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The Department of Energy Chooses a Definition for Net Zero
They also have a preferred name for buildings that produce as much energy as they use
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Control the Flows Through the Building Enclosure
The fundamentals of controlling heat, air, and moisture
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The Science of Air Flow in Flex Duct
A Texas A&M study shows how much of a hit you take when you let flex duct sag
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A Few Pressure Testing Tips and Tricks
Blower door and duct leakage testing can be easier if you use these techniques
