Energy Efficient Home

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
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CO2 in Air – Why is my Air Stale and Stuffy?

CO2 in the air
CO2 in the Air – Why is My Air Stale and Stuffy? Carbon Dioxide and Its Relation to Your Interior Air Quality. CO2 in the Air. Why is my air “Stale?” Many of my clients often complain of either specific symptoms, general malaise, or “just not feeling right” when in a building they spend a
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How to Measure EMF

ElectroMagnetic EMF Spectrum
How to Measure EMF: The Art of Knowing What You Are Studying There are a lot of people concerned about electromagnetic fields (EMF) and electromagnetic radiation (EMR or also known as radio frequency (RF)).  People want to know how to measure EMF. So much so, that they purchase detectors and meters for themselves and attempt to
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B Corp Certification for Business

B Corp Certification
B Corp Certification for Business In April HBS became a Certified B Corporation and joined an elite club of businesses throughout the world. B Corp business assessments and third-party B Corp Certification are administered through B Lab, a non-profit. There are myriad of third-party rating systems for sustainable businesses… but only two in our region seem
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Asthma and Buildings

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
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Green Point or LEED?

Green Point or LEED
Green Point or LEED? For homeowners trying to make sense of the many green building rating systems out there, it can be confusing and frustrating–Green Point or LEED? This blog is an attempt to shed some light on the issue. Here in California we are fortunate to have the “GreenPoint Rated” (GPR) system published and overseen
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Healthy San Francisco Earth Day!

Healthy Building San Francisco
Healthy San Francisco Earth Day! We had a lovely, healthy San Francisco (420) day – April 20th!  Our Healthy Building San Francisco Earth Day booth was in the center of Civic Center Plaza with a great view of happy, healthy people AND San Francisco City Hall! See a few Thermal Portraits below… Healthy San Francisco
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Green Business Certification

san francisco green business
Green Business Certification This blog covers a few green business certification programs making a real difference in the world. Products are Organic Certified, FSC-certified, Green-Seal Certified, Cradle-to-Cradle Certified, etc.  Then there is LEED Certification and GreenPoint Rating for buildings. But what about a sustainable business certification? I’ll discuss Bay Area and San Francisco green business programs.
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Healthy Building Science New San Rafael Office!

Healthy Building Science Ribbon Cutting
Healthy Building Science New San Rafael Office! Early this year we expanded into a larger office in San Rafael, CA. The expansion comes on the heals of a wonderful 2012 and new staff acquisition for lead and asbestos surveys. In attendance at the new office celebration and ribbon cutting were San Rafael Mayor Gary Phillips
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Healthy Building Materials and Appliances

RoHS Compliant Healthy Appliances
This blog expands on an earlier post about the 25 Principles of Building Biology and the Healthy Home Standard Checklist. Here we’ll dive deeper into the Indoor Air Quality Checklist, and focus on best practices for healthy appliances and building materials. This is part 3 of 3 – IAQ Checklist. Here is what Building Biologists thought were the
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