
Spotlight Article:
Pimp My Blower Door Kit: Blower Door Makeover
In these tough economic times, it's appropriate to invest time in repairing and maintaining things, to make manufactured goods last longer and to save money. Besides, it feels good to repair something yourself, and working ...
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Infiltration: Just ACH50 Divided by 20?
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Many researchers have sought to develop a correlation between a one-time pressurization test and an annual infiltration rate. [continue reading]

Leak Detectors: Experts Explain the Techniques
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This article is an effort to bring together the ideas of several innovators who have invented methods of diagnosing duct leakage. [continue reading]

Two Favorite Test Methods, By the Book
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The American Society for Testing and Materials (ASTM) has decided to improve protocols for two popular test methods for testing duct leakage in residences--the "blower door subtraction" technique and the "flow hood" technique. [continue reading]

In Search of the Missing Leak
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With the use of blower doors, weatherization programs have improved cost-effectiveness by prioritizing air sealing work, developing effective inspection procedures for determining if work was done properly, and assessing the impact of air sealing on indoor air quality and moisture problems. [continue reading]

Introduction to Blower Doors
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Air flow through a building can have a powerful impact on comfort, expense, and air quality. Blower doors provide a way to quantify air flow and the resulting heat loss, along with a way to pinpoint specific leaks. [continue reading]

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