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
In order to determine how air filters help to remove particles in a space, it is important to understand that filter effectiveness is not the
By Jim Rosenthal, CAFS In the Fall of 2022, the EPA did chamber testing on DIY air cleaners to determine their effectiveness on reducing wildfire
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
Tex-Air Filters has moved its headquarters, factory and Fort Worth warehouse to 5933 Eden Drive, Haltom City, Texas 76117. This 52,000 square foot facility was
Here is another version of the Mini Corsi-Rosenthal Box. It takes about 10 minutes to build. It has a small “footprint”. It is quiet –
The first Corsi-Rosenthal Box was built in August of 2020. It was presented as an “open source” concept so that as many people as possible
By Jim Rosenthal As we have seen in numerous tests, Corsi-Rosenthal Boxes with MERV 13 filters have been shown to outperform HEPA Air Cleaners in
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
By JIm Rosenthal The most frequently asked question we receive on the Corsi-Rosenthal Box is: “When do you change the filters?” Of course – the
By JIm Rosenthal One of the best things about being involved in this Corsi-Rosenthal Box project is to see the tremendous amount of ingenuity, creativity,
The most enjoyable part of being a part of this “movement” to create DIY air cleaners is seeing the energy, creativity, knowledge and spirit to
