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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V-Strip Weather Strip Update: Two Years Later

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November 21, 2014

An important factor in the airtightness of a building, and its energy efficiency, is the amount of infiltration allowed through closed windows and doors. Typical old double-hung windows are especially prone to infiltration. [continue reading]

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Reflective-Insulation and Radiant-Barrier Systems

Author: Luke Rogers
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December 30, 2013

A reflective-insulation system consists of a low-e surface, like aluminum, which is installed facing an enclosed air space. Enclosed air typically has an R-value of about R-1 per inch, but by reducing the radiant-heat transfer ... [continue reading]

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Unvented Attics: Encapsulating with Spray Polyurethane Foam

Author: Brett Dillon
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November 01, 2013

The idea behind venting to remove moisture is to allow it to escape out. Unfortunately in humid climates, it's much more complicated. [continue reading]

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Good Bones: Structural Framing Tips for Better Energy Performance Under the Latest Codes

Author: Glen Robak
premium CONTENT
June 30, 2013

It is virtually impossible to achieve the standards of the 2009 International Energy Conservation Code (IECC) by accident, let alone those of the 2012 IECC, which is even more stringent. The 2012 IECC reaches into almost every part ... [continue reading]

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Storm Windows Save Heating Energy

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April 30, 2013

Interior and exterior window attachments are compared in-depth through research and field evaluation. [continue reading]

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Exterior Air Sealing

Author: Bill Asdal
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January 02, 2013

A Case Study on Shadowbrook Townhomes in Harding, New Jersey [continue reading]

Spend a Weekend Weatherizing Your House: You Will Reap the Benefits for Years

Lee Wallender

Spend a Weekend Weatherizing Your House: You Will Reap the Benefits for Years

If you could tackle a few easy tasks that would keep you warm and snug all winter – and save ...

BPI's Home Energy Auditing Standard Published as ANSI Standard

Mike Kandel

BPI's Home Energy Auditing Standard Published as ANSI Standard

The Building Performance Institute, Inc. (BPI) is proud to announce that BPI-1100-T-2014: Home Energy Auditing Standard has been published ...

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