Public Health Department
Public Health of Madison & Dane County is your best resource for finding up-to-date information about:
Improving indoor air quality
Home air quality
Improving ventilation in your home - from PHMDC (Public Health of Madison & Dane County)
Corsi-Rosenthal boxes are low-cost, high-performance air purifiers that you can make yourself using 4 filters and a box fan.
List of how-to tutorials, including video links
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