
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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Crawlspace Condensation
Crawlspace Condensation Q:I was called to a doublewide mobile home to investigate a problem with a 4- year-old duct system (the original duct system was ... [continue reading]

Frozen Pipes Dilemmas: The Hard Cold Facts of Insulation Effectiveness and Building Tightness
When the air temperature inside the heated space is cold enough to freeze plumbing, clearly there's a problem. [continue reading]

An Insulation Roundup
In the confusing world of insulation materials, telling the difference between fraudulent claims and the real thing is not easy. [continue reading]

Cheating - The Insulation Industry's Dirty Secret
Major problems exist with the way some attic insulations are manufactured, labeled, and installed. An experienced insulation contractor, diagnostic technician, and building science educator sizes up the ongoing problem of cheating and offers specific recommendations to prevent it. [continue reading]

Radiant Barriers: Performance Revealed
In the summertime, radiant barriers give attic insulation a clear advantage in cutting the demand for cooling energy. [continue reading]

Storm Windows Save Energy
Although new, high-performance windows are the ideal, simply putting up storm windows in the wintertime can be a very effective alternative. [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.


