Resources

Corsi-Rosenthal Foundation - Official build instructions, FAQs, sizing guidance, and downloadable PDFs for building Corsi-Rosenthal air cleaners.

Clean Air Crew – Corsi-Rosenthal Guides - Excellent collection of illustrated build guides, filter selection advice, fan shroud information, FAQs, and videos explaining Corsi-Rosenthal air cleaners.

Corsi-Rosenthal Foundation - Official build instructions, design guidance, FAQs, and educational resources for Corsi-Rosenthal air cleaners.

Clean Air Crew – Box Fan Filters - Excellent educational resource covering Corsi-Rosenthal designs, filter selection, fan shrouds, FAQs, and independent testing.

ASHRAE – Filtration and Air Cleaning Position Document - ASHRAE’s position paper summarizing current knowledge on filtration and air-cleaning technologies, including when different technologies are appropriate and the importance of proper application.

EPA – Guide to Air Cleaners in the Home - A practical consumer guide explaining portable air cleaners, HVAC filters, Clean Air Delivery Rate (CADR), MERV ratings, filter sizing, and the role of filtration as a supplement to source control and ventilation.

EPA – Air Cleaners and Air Filters in the Home - The following publications provide information on portable air cleaners and on HVAC and furnace filters commonly used in homes.