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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Air Sealing in Low-Rise Buildings

archive CONTENT
September 01, 1995

Multifamily buildings vary widely. They range from houses divided into three apartments to 500-unit high rises. So a weatherization project must be tailored to fit the personality of the building. [continue reading]

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Selecting Windows for Energy Efficiency

archive CONTENT
July 01, 1995

An understanding of some basic energy concepts is essential to choosing appropriate windows and skylights. [continue reading]

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Urethane Foams and Air Leakage Control

archive CONTENT
July 01, 1995

Urethane foams can make a major contribution to improving the energy efficiency of buildings when they are used as an air leakage control material or as a component of an air barrier system. [continue reading]

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Moisture and Mobile Home Weatherization

archive CONTENT
July 01, 1995

Most newer manufactured homes in the Pacific Northwest, as well as many older mobile homes, have a vapor retarder on the inside of the wall cavity--typically right behind the gypsum board. However, many older mobile homes, especially those built before the 1980s, were manufactured with a vapor retarder on the outside of the wall cavity--generally right behind the metal (or sometimes wood) siding. [continue reading]

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Is an R-19 Wall Really R-19?

Author: Leo Rainer
archive CONTENT
March 01, 1995

Just because a wall has R-19 insulation in it does not mean it's an R-19 wall. Using the R-value of the insulation between the studs (the "cavity R-value") as an overall wall R-value is similar to using the center-of-glass value for a window--it ignores the effect of framing. [continue reading]

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PRISM Does Windows

Author: Ted Rieger
archive CONTENT
March 01, 1995

A new and improved version of the most widely used computer software for analyzing retrofit energy savings from utility billing data is now available. [continue reading]

Sudden, Unexpected Blessing

Jim Gunshinan

Sudden, Unexpected Blessing

When I received an email from Larry Zarker of BPI, informing me that I had been inducted into the BPI ...

Energy Use Patterns in Off-Grid Houses: It's All About the Energy Budget, Right?

Shawna Henderson

Energy Use Patterns in Off-Grid Houses: It's All About the Energy Budget, Right?

I grew up on the West Coast of Canada, and I have had the good fortune to spend lots of ...

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