Residential HVAC Mythbusting
Two nagging duct questions answered
Wall insulation clearly saves heating energy, but does it save cooling energy as well? [continue reading]
Do homes with vented attics use less cooling energy than homes with unvented, conditioned attics in hot climates? With little formal research available to answer the question, common wisdom and most building codes have favored venting. [continue reading]
Depending on the design, an evaporative cooler can use as little as 10% of the energy consumed by refrigeration air conditioning systems. [continue reading]
Until recently, most residential two-stage evaporative coolers were of the down-discharge variety and were generally installed on the roof. [continue reading]
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]
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]
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]
The Greater Cincinnati Energy Alliance (GCEA)—a U.S. Department of Energy (DOE) Better Buildings Neighborhood Program partner—...
Shortly after taking office in 2009, President Obama launched the Open Government Initiative, an effort to increase transparency, participation, and ...