Better Measurements, Better Models: Advances in Measuring and Predicting Thermal Performance

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Better Measurements, Better Models: Advances in Measuring and Predicting Thermal Performance

As 2-D and 3-D modeling to predict building performance becomes more widespread, we need to consider what data are feeding those models. At this point, modeling software has become quite sophisticated, and many users don&...

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Two Favorite Test Methods, By the Book

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September 01, 1993

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]

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Selecting an Infrared Imaging System

Author: John Snell
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July 01, 1993

Many of us in the energy conservation business are "techno-junkies." [continue reading]

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In Search of the Missing Leak

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November 01, 1992

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]

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Introduction to Blower Doors

Author: David Keefe
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November 30, 1999

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]

Is Energy Efficiency an American Value?

Jim Gunshinan

Is Energy Efficiency an American Value?

Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.

Which Refrigerant Has The Lowest GWP?

Kristina Frunze

Which Refrigerant Has The Lowest GWP?

As you probably know, 2020 will see the Environmental Protection Agency (EPA) implementing stricter rules concerning refrigerants in the United States. ...

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