
Spotlight Article:
Overcoming Obstacles to Advanced Air Sealing
We all know the basics of energy efficiency. Air seal high in the building, then low, then insulate. Seems simple, right? Stop the air from leaking into or out of the building. Save money. Increase ...
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Testing Duct Testers
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]

First Things First: Insulating Wall Cavities
A large portion of my work as a project manager at Wisconsin Energy Conservation Corporation (WECC) is teaching weatherization workers the dynamics of energy movement in buildings, how to measure it, treat houses effectively, and, ... [continue reading]

Measuring Window U-Factors with IR Thermometers
IR thermometers make finding surface temperatures fast and easy, but can that be applied to window U-factors? [continue reading]

Bag It and Forget It!
In 2010, I started looking for an inexpensive yet practical way to install a " plug" in the floor cavities between the first and second floors in balloon-framed homes. [continue reading]

Successful Warm-Weather Infrared Inspections
While infrared cameras are relatively easy to operate, it is the task of interpreting the image that turns out to be the most challenging aspect of this technology. [continue reading]



Building Performance Journal Editors
Our Blog Has Moved
Thanks for your interest in contributing a blog to the Building Performance Journal (formerly Home Energy magazine). We’re ...


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.


