Sick Building

Thursday, 04 July 2013 by
What is a Sick Building?

What is a Sick Building? There is often confusion over the definition of a sick building. We hear questions like, “Is my building sick?,” and, “How do I know if my building is sick?” Therein lies much of the confusion. Buildings don’t get sick, people do! Sick Building Syndrome (SBS) Determining if occupants suffer from






Energy Efficient Home

Wednesday, 19 June 2013 by
Energy Efficient LEED Home

A Comfortable and Energy Efficient Home through Science – Part 1 I am a big believer in using principles of science and an understanding of the sun’s movement through the sky to enhance your comfort while also making it a more energy efficient home. I am going to devote the next few blogs to giving






Asthma and Buildings

Friday, 10 May 2013 by
Asthma and Buildings

Asthma and Buildings – California and US Trends in Asthma Buildings are too often neglected in the asthma equation. Asthma is sometimes defined as a symptom of poor indoor air quality, and other times defined as a Building Related Illness. This blog references the recently released report, “Asthma in California: A Surveillance Report,” compiled by






LEED EMF ID Credit Application

Tuesday, 12 March 2013 by
LEED EMF Credit Denied

LEED EMF ID Credit Application The USGBC/LEED recently denied an Innovation in Design (ID) credit application for Magnetic Field (EMF) Reduction. This post includes the official LEED EMF ID Credit Application. The following text is in the traditional formal of an ID credit application and request for a Credit Interpretation Ruling (CIR). Unfortunately the USGBC






Building Biology 25 Principles

Tuesday, 05 February 2013 by
Building Biology 25 Principles

No one rating system can isolate every possible environmental angle, and the International Institute of Building Biology founders were certainly most interested in human health, but it is hard to imagine a more comprehensive healthy building checklist than what’s provided in the Building Biology 25 Principles. It is quite difficult to incorporate every principle into






Building Biologist in the US

Helmut Ziehe is the Building Biologist who brought Building Biology to the United States. Helmut learned Bau-Biologie in Germany from the “mothership.” In Germany he was trained as an environmentally-conscious architect at the Technical University of Berlin, followed by a Master’s Degree from the London School of Architecture. Helmut mastered 5 languages during his life






tips for a healthy home

Tips for a Healthy Home – Keep It Dry Keep Water Out Excess moisture is at the center of many problems relating to durability and indoor air quality. If we build structures that won’t rot or support mold growth, we will both increase the longevity of those buildings and reduce the health risks of living






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healthy building inspections

“Healthy Building Inspections” transitions to “Healthy Building Science” Blogging. I admit this is my first time. It’s hard to know where to begin. The previous few posts were created by our web designer who cut and pasted links from our old site into a few blog entries so the data wasn’t lost. Later this year






Building Biology Resources – 2011

Wednesday, 30 November 2011 by
Building Biology_San Francisco Bay Area

The Institute for Building Biology & Ecology (IBE) is truly a remarkable organization. In the 70’s they brought very forward-thinking German design/build/testing protocols to the US. Since then the organization has flourished and many of the top environmental consultants in the country have gone through their training and certification program. There are not too many good Building






Asthma and Allergy Resources It can be challenging to find asthma and allergy resources that are easy to understand and helpful. We often find ourselves in homes with children (and adults) with asthma, and they are unaware of what we consider “the basics” of managing indoor irritants and asthma triggers. Some basic self education is definitely






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