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Two-Stage Evaporative Cooling
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Depending on the design, an evaporative cooler can use as little as 10% of the energy consumed by refrigeration air conditioning systems. [continue reading]
Advanced Two-Stage Design Hits the Market
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Until recently, most residential two-stage evaporative coolers were of the down-discharge variety and were generally installed on the roof. [continue reading]
Heat Pumps and Manufactured Homes: Making the Marriage Work
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In my job as the factory-built home specialist for North Carolina's Alternative Energy Corporation (AEC), I have been crawling under, in, and around manufactured homes for the last dozen years, looking for causes of, and solutions to, building energy problems. [continue reading]
Sizing Air Conditioners: If Bigger Is Not Better, What Is?
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Since the publication of "Bigger Is Not Better-Sizing Air Conditioners Properly" (HE May/June '95, p. 19), homeowners, builders, and contractors have questioned us about sizing and performance issues raised in that article. [continue reading]
Where Radiant Barriers Really Shine
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Manufacturers of radiant barrier materials claim that their products significantly cut cooling costs by reducing summertime radiant heat gain through attics and ceilings (see "Conservation Clips: Radiant Barriers Test Well," p. 45). A new study confirms that radiant barriers can indeed conserve cooling energy. [continue reading]
What Drives Cooling Savings in Mobile Homes?
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It's cooling season, and if statistics are any indication, utilities, energy technicians, and HVAC contractors will be spending more time than usual dealing with mobile homes this summer. [continue reading]
Cooling By the Stars
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An innovative way to cool houses has recently been tried at two sites in California. It's called night evaporative underfloor cooling storage (NEUCS). [continue reading]
Installing and Maintaining Evaporative Coolers
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Evaporative coolers cost only one-tenth to one-fourth as much to operate as refrigeration air conditioning and are much cheaper to buy ($400-$800). This makes them an excellent option, particularly in hot, dry areas of the country. [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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