Comparing Eight Cold-Climate PH Envelopes

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Comparing Eight Cold-Climate PH Envelopes

Passive Houses with different wall systems are studied to see what their life cycle energy and carbon savings are compared to conventionally built homes.

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Passive House Gets Active

Author: Steve Mann
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March 03, 2011

The 2010 North American Passive House Conference covered topics including the building science behind the Passive House standard, applying Passive House principles to various building types (new construction and retrofits, residential and commercial), the certification process, and lots of case studies. [continue reading]

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Interview with Passive House Pioneer

Author: Mary James
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March 03, 2011

(Passivhaus Institut) Mary James, author of two books on Passive Houses, conducts an exclusive interview with Wolfgang Feist, scientific director of the Passivhaus Institut (PHI) in Darmstadt, Germany, and now also professor of building physics ... [continue reading]

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Neighborhood Efficiency, Energy Salvation

Author: Roger Hahn
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March 01, 2011

During his 14-year career with the Salvation Army, Captain Ethan Frizzell has followed the Army’s traditional leadership-development path, moving routinely up the ladder from leadership positions that serve relatively small populations to those ... [continue reading]

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Energy-Efficient Homes

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January 05, 2011

Houston may be a standout in the market, but it seems that energy efficiency programs and DOE standards are lifting all homes to better efficiency. [continue reading]

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Showdown in New Orleans

Author: Roger Hahn
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January 04, 2011

The occasion was the 2009 Historic Green spring-break gathering of students and professionals in New Orleans. Organized around the goal of creating “the nation’s first zero-carbon neighborhood,” the annual ten-day event provides ... [continue reading]

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Energy Star for Homes 3.0

Author: Steve Mann
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January 03, 2011

Energy Star is probably the most widely recognized energy efficiency brand in North America. A recent study cited it as the second-most trusted consumer brand, right behind the Good Housekeeping seal. Critics of that study ... [continue reading]

Online Reviews Can Make or Break Business

Macie Melendez

Online Reviews Can Make or Break Business

Consulting online reviews has become an integral part of the modern consumer’s buying process. A recent study from ...

Become a Citizen Scientist

David Grieshop

Become a Citizen Scientist

Reality-LLC is my consulting firm based in southern Arizona.  Water is a precious resource here—as it is ...

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