YouTube video by UC Davis College of Engineering

As wildfires rage across the country, smoke plumes from scorched structures pose a major health threat. Sneaky particles can creep through vents and other home openings, but buying high-quality HEPA f...

Using the U campus itself as a lab, researchers conclude inversion and dust pollution is kept out of buildings, but wildfire smoke can sneak inside if efficient 'air-side economizers' are in use.

Homemade air purifiers can filter air faster, making them an affordable alternative to more expensive commercial products.

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By Jim Rosenthal Much of the Eastern United States is covered with wildfire smoke from the massive fires in Canada. A very effective way to avoid this respiratory hazard is to keep the windows closed ...

Dedicated to providing cleaner safer air for all.

By Jim Rosenthal In a previous article I summarized tests conducted using Corsi-Rosenthal Boxes with MERV 13 Filters at very high Air Change Rates. It was determined that two Corsi-Rosenthal Boxes cou...

The December issue of the ASHRAE Journal included an article entitled “How Do Particle Filters Work?” The article has graphs of “Efficiencies over time for two filters.” They come from ASHRAE Research...