Residential HVAC Mythbusting
Two nagging duct questions answered
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]
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]
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]
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]
Wrong question. The right question is what can we do to help builders design and construct more perfect walls without ...
It’s become more apparent over the last five to ten years that the amount of energy we’...