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Green Dreamin'
What do you get when you cross a deep energy retrofit with an 1880s Victorian-style home?
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Drawbacks Of Powered Attic Ventilators
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Powered attic ventilators, already suspected of using more energy than they save, can also create excess moisture, structural problems, discomfort, and combustion safety problems for home occupants, according to a recent study. [continue reading]
Researchers Approach Builders on Duct Location
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It is common practice in California to put ducts outside the conditioned space, in attics and crawlspaces. These duct systems are typically 50%-70% efficient due mostly to air leakage and heat transfer losses, while sealed conditioned-space duct installations have efficiencies over 90%. O [continue reading]
Assessing The Integrity Of Electrical Wiring
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Dense-pack cellulose insulation is a very useful and cost-effective technique for lowering both conductive and convective heat losses in a variety of housing types. [continue reading]
Beauty and the Beast Upstairs
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The same features that are often added to the top story of homes to give them distinctive architectural beauty can also make them rather beastly to heat or retrofit. [continue reading]
Ventilating Attics to Minimize Icings at Eaves
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Icicles and ice dams form at the eaves of some roofs in cold regions. Water that ponds behind ice dams may leak into the building since most steep roofs are configured to shed water, not hold back standing water. [continue reading]
Saving Energy with Reflective Roof Coatings
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Architects have traditionally used light surface colors to cool off buildings in hot climates, but until recently there was little research on the measured cooling-energy savings of reflective roofs. [continue reading]
Sizing Up Skylights
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Skylights, like windows, are distinctive features of homes that greatly influence their aesthetics. [continue reading]
Attic Insulation R-Values-Who's Fluffing?
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In the highly competitive home building industry, successful builders learn quickly that to stay in business they must keep construction costs down. Unfortunately, some builders cut costs by skimping on energy features. [continue reading]
Scott Donnelly
GreenExpo365 Host
Keeping a home cool in the summer yet warm in the winter is a tough request. The choice of quantity ...
Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...
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