Leak Detectors: Experts Explain the Techniques
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
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]
One Size Fits All: A Thermal Distribution Efficiency Standard
When it comes to residential duct systems, even the experts can't agree on the proper definition for energy efficiency. For example, how could one possibly compare an hydronic system with an air system? [continue reading]
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