Air Quality and Duct Cleaning

Monday, 11 February 2013 by
NADCA ACR Duct Cleaning Standard

Air quality and duct cleaning are big concerns for some… and big business for others. It seems like every cheap mailer we receive has a scary picture of a rat infested attic and they’re selling duct cleaning services as a way to improve indoor air quality. Is air quality affected by duct cleaning? The simple

Tagged under: ,

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

Efficient vs Healthy Building

Recently appeared in the NorthBay Biz Journal, GreenScene by Alex Stadtner A battle has been raging in the design-build community for decades. Much is at stake, yet few are paying attention. Here’s the blow-by-blow from a battle that affects everyone. Ringside. Energy Efficient versus Healthy Building. A hush before the bell rings… When “green building” is mentioned

Building Inspector Environmental Checklist

Every building inspection should include a minimum scan for these Top-10 common environmental problems. These factors are simple to evaluate, often only involving using your nose and eyes, and can literally save lives. This building inspector environmental checklist is adapted from the Building Biologist’s Healthy Home Standard. There is no reason every home inspector cannot


Indoor Environmental Assessments – The 3 C’s Indoor environmental professionals (IEPs) are a well-rounded lot. They are trained in building science, construction techniques, mechanical systems, and how to perform healthy building inspections. As with every profession, IEPs rely on guidance documents with definitions and criteria for discussing scenarios they commonly encounter. Indoor Environmental Assessments –

Tagged under: ,
GreenBuild VOC Sampling - Alex Stadtner

Comparing Air Quality Results from Green Festival and GreenBuild San Francisco For those curious about indoor air quality… we are comparing air quality results from Green Festival and GreenBuild San Francisco. This is a very limited sampling method and sample size, so take these results with a grain of salt. But you must admit it

GreenBuild Air Quality Testing

San Francisco Air Quality Results from GreenBuild Hopefully those who were breathing at GreenBuild are still curious to what was in the air! Below are the air quality results from GreenBuild San Francisco – 2012. San Francisco air quality varies greatly from building to building. Would this building have met LEED standards? This is admittedly a

Green Festival VOC Pie Chart

Air Quality Results from Green Festival San Francisco We’ve been swamped so the release of the air quality results from Green Festival San Francisco has taken longer than expected. Hopefully those who were at the Green Festival are still curious! I don’t have enough time to provide too much commentary or interpretation of the results…

Air Quality Testing San Francisco - GreenFestival

Air Quality Testing San Francisco – Green Festival For the two days we wore passive vapor monitor badges at the Green Festival-SF. This blog about Air Quality Testing San Francisco – Green Festival provides a summary of the air quality sampling methods, lab analysis,  and lab results. Air Quality Sampling Methods Vapor monitors offer an

Tagged under:
toxic building materials

Toxic Building Materials in Residential Construction A reporter from Angie’s List Magazine just asked for my opinion on toxic building materials in residential construction… and while writing my response I realized there was some valuable information to share. Hopefully Angie’s List Magazine will decide to run the piece. Here is my response to some great