Clothes dryer exhaust ducts should not extend into or through which areas?

Clothes dryer exhaust ducts should not extend into or through ducts or plenums due to the potential for fire hazards and the risk of contamination. Ducts and plenums are typically part of a building's heating, ventilation, and air conditioning (HVAC) system, designed for air distribution. Introducing dryer exhaust, which contains lint, moisture, and potentially flammable fibers, can obstruct airflow and create a dangerous situation.

Additionally, dryer exhaust can degrade indoor air quality, as the lint can accumulate and pose a fire risk. Moreover, mixing the exhaust with other air streams in duct systems could lead to cross-contamination, increasing the potential for health hazards related to mold and moisture buildup. Keeping dryer vents properly contained and separate from these systems ensures safe and effective operation while maintaining air quality and safety in the building.