Crawlspaces and attics need PROPER ventilation. They need ATMOX ventilation.
The principle of the ATMOX System:
Use the outside air only when it is drier to improve the crawlspace or attic conditions.
Learn more about ATMOX Crawlspace Applications for moisture control.
Learn more about ATMOX Attic Applications for moisture control and heat reduction.
ATMOX is not just another ventilation system.