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HVAC to Whole-House Performance Contractor?
Guidelines and best practices for making the profitable transition into whole-house work.
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Duct Improvement in the Northwest Part II: Mobile Homes
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Although the thermal shell of the typical mobile home has changed radically over the last 30 years, the air distribution system has not. The walls have gone from 2 x 2 framing with an R-4 fiberglass batt to 2 x 4 or 2 x 6 walls with a high-density R-21 batt (codes vary from state to state). [continue reading]

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]

Air Sealing in Occupied Homes
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There are few areas of residential construction that are so commonly misunderstood as air movement within and through houses. [continue reading]

Oh, How I Wish You Could Have Seen ISH!
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If you've ever pulled into a gas station in Europe, you know these folks are serious about energy conservation. [continue reading]

Air Conditioner Shading Shows Minimal Savings
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A study by the Florida Solar Energy Center (FSEC) on the effects of shading outdoor air conditioner condensers indicates that energy savings benefits are modest at best--less than 5%. [continue reading]



Brittney Sheffield
How Third-Party Utility Providers Work
Many people know that there are ways to save on your utility services, however there are plenty of people who ...


























