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Blower Door Cruise Control
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The use of pressure differential diagnostics to measure and interpret air leakage is changing the way blower-door users approach buildings. [continue reading]

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]

Selecting an Infrared Imaging System
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Many of us in the energy conservation business are "techno-junkies." [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]



Cortney Krauss
U.S. DOE's HPwES Program Releases Draft Sponsor Guide for Public Comment
The U.S. Department of Energy (DOE)’s national Home Performance with ENERGY STAR Program (HPwES) released the draft&...


Macie Melendez
Passive Proponent—Q&A with Brandon Weiss
President and founder of Chicago-based Weiss Building & Development, Brandon Weiss is a third-generation builder who credits time ...
























