Is vital to a healthy facility and home, especially in the Pacific Northwest where so many molds, pollen, and allergens are prevalent. Every time the cooling and heating system runs, airborne contaminants are pulled into the air ducts and circulate through the home or office building.
The purpose of the dryer vent is to release moisture and hot air outside. The moisture can sometimes create wet spots inside the tube. Built-up lint can get caught in these wet spots and create microbial growth.