
Spotlight Article:
Forward Motion: Career Path Options with the New Home Energy Professional Certifications
The green building community is sold on the value of certifications. For the worker, professional credentials demonstrate a degree of knowledge and skill. They help employers screen applicants and help energy efficiency program administrators set ...
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Managing Moisture
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Q I enjoyed reading your article on the home you recently built in Ohio (“Design, Construction, and Performance in Ohio,” Jan/Feb ’07, p. 36). I am an architect practicing in the Pacific Northwest (... [continue reading]

Dreaming of Windows
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Q We are building a new passive-solar home and have had difficulty finding commercially available low-U, high solar heat gain coefficient (SHGC) windows. The specs quoted for the windows in the Home ... [continue reading]

Greening Your Ventilation
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Since today’s houses are now tightened for air conditioning as well as heating, there is less and less natural ventilation in our homes. This means that additional forms of mechanical ... [continue reading]

Copper and Cast Iron
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Q I live in a 1920s Wardman row house in Washington, D.C. The house has a cast-iron radiator heating system. I hired a local contractor to do some bathroom renovations. It was necessary to ... [continue reading]

What Were They Thinking?
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Plumber’s Bummer This picture was taken from inside a mobile home. The plumber had run the water lines inside the ductwork to prevent freezing. However, he failed to seal the ductwork back. We ... [continue reading]

Greening the HVAC System: A Logical Process
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There is a mantra that has been generated in the imaginations of most folks who want to build or remodel a home with green guidelines. The mantra goes: “I want my green home to ... [continue reading]



Scott Donnelly
GreenExpo365 Host
Keeping a home cool in the summer yet warm in the winter is a tough request. The choice of quantity ...


Doug Garrett
Code Conflict Between 2012 IRC and 2012 IECC
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...
























