
Spotlight Article:
Vermiculite Attic Insulation, or What's in Your Attic?
Oh, the irony. Zonolite Attic Insulation (ZAI), was once marketed as a perfectly safe, inexpensive, do-it-yourself attic insulation for home improvement projects. Today, the presence of ZAI represents an expensive professional abatement job for a ...
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Further Wrestling with Recessed-Can Lights
How do you air seal IC-rated light fixtures that aren't accessible from above? Do the air sealing from below. [continue reading]

Attic Accesses: High Priority or No Big Deal?
Some calculations answer the question, How much does proper attic access insulation matter? [continue reading]

Raise the Roof?
The King County Housing Authority adds insulation and slope while removing ventilation to make a more energy-efficient and durable roof. [continue reading]

A Serious Challenge to a New Building Technology
Every new building technology comes with new problems along with its benefits, and structural insulated panels (SIPs) are no different. SIPs are made of rigid foam insulation sandwiched between ... [continue reading]

Affordable Cooling at its Peak
An inexpensive process for adding reflective coatings to rooftops saves energy and lives. [continue reading]

Roofs Reflect Better Savings
Reflective roofing represents one of the most significant energy-saving options available to homeowners and builders. [continue reading]

Snowy and Icy Indicators of Wasted Money
With the recent huge increases in energy costs, figuring out how best to conserve energy and improve comfort in a home has become an urgent issue. [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]



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.


