Weather-Stripping Windows with V-Strip

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Weather-Stripping Windows with V-Strip

An in-depth window study on six homes compares the effectiveness of plastic vs. metal weatherstripping.

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Out The Window with U-Guessed-It Values

Author: Jim Obst
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July 01, 1993

Thermal performance in a window is expressed as a "U-value," a measure of heat transfer through it--the greater the heat loss, the higher the U-value. [continue reading]

Water Heaters Get an Efficiency Makeover Courtesy of DOE

Marianne DiMascio

Water Heaters Get an Efficiency Makeover Courtesy of DOE

From the rustic 1850s pump shower to the 1920s Humphrey automatic to today’s modern ...

Number of Certified Passive House Square Meters Reaches One Million Mark

Benjamin Wünsch

Number of Certified Passive House Square Meters Reaches One Million Mark

Building owners throughout the world are increasingly turning to the Passive House standard. This past autumn, the number of square ...

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