Attics & Crawl Spaces
Attics and crawls are not appendages but integral organs of the system
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]
Several new wall systems are gaining popularity, due to increasing interest in energy efficiency, alternatives to dimensional wood framing, and building sustainable structures. [continue reading]
What's the best way to inform window buyers about a product's energy characteristics? As with appliance energy labels, there is considerable debate over how to give people an accurate and useful representation of the product without overwhelming them with confusing numbers (see "New Appliance Labels Emphasize Energy Use," HE Jan/Feb '96, p. 7). [continue reading]
Retrofitting a house with high- performance windows can produce significant energy savings and improved comfort. However, when the right window is installed incorrectly--or worse yet, the wrong window is installed incorrectly--energy savings will be few, structure and furnishings may be damaged, and the occupants' safety may be jeopardized. [continue reading]
Space conditioning is the biggest piece of the residential energy pie, and thermal shell improvement is a homeowner's best opportunity ...
Energy supplies and efficiency in new home construction took an interesting turn when researchers at Oak Ridge National Laboratory (ORNL) ...