The Search for Thermal Comfort

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The Search for Thermal Comfort

In the beginning there was woman and man, naked; I assume. The body’s core temperature is stable at about 98 °F. In an outdoor environment with a temperature between 65 to 102 °F, a ...

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Testing Duct Testers

Author: Paul Raymer
premium CONTENT
June 29, 2012

According to DOE’s Building America program data, typical residential ductwork efficiency is about 67%. That means that if you install a 90% efficient furnace, your system efficiency would be just over 60%. Another way to look ... [continue reading]

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Smart Utility Bill Disaggregation

Author: Steve Mann
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April 30, 2012

Energy auditors use a simple, well-known approach called a utility bill disaggregation to analyze a home's overall energy use. Here's a quick summary of that technique as detailed in Krigger and Dorsey's Residential Energy: [continue reading]

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Blowing Smoke

Author: Paul Raymer
premium CONTENT
April 30, 2012

Long ago, when I started in this business, I wished for a pair of glasses that I could put on to see how the air was moving. (Now I wear glasses all the time just ... [continue reading]

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Measuring Mechanical Ventilation Airflow

Author: Paul Raymer
premium CONTENT
January 03, 2012

As the house gets tighter, the effectiveness of the ventilation system becomes increasingly critical. [continue reading]

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Under Pressure

Author: Brett Dillon
premium CONTENT
January 03, 2012

Our industry is under pressure to improve the skills and knowledge of our workforce. These improvements will increase the quality and rigor of the service we provide the various programs and our clients. [continue reading]

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Safe Air at Home

premium CONTENT
September 01, 2011

At Pure Energy, we are finding more and more IAQ problems caused by pollutants that are supposed to be outside the living space, but are being drawn into the living space by unbalanced house pressures. [continue reading]

Confessions of an Insulation Installer: What I Love About Wool

Travis Weeks

Confessions of an Insulation Installer: What I Love About Wool

Last month, we (the crew at Performance Insulation) completed a project on Bainbridge Island, about a 30-minute ferry ride from ...

RaterFest! Or How I Spent My Summer Vacation

Shawna Henderson

RaterFest! Or How I Spent My Summer Vacation

The setting is stunning, 8,000 feet up in the Rockies. Colorado in September, aspen, screaming blue skies, bright clear nights. Who ...

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