A dryer vent that exhausts into the interior of the building is of concern for a mold inspector.

A dryer vent that exhausts into the interior of the building is indeed a significant concern for mold inspectors. This is because the warm, moist air generated by the dryer can contribute to high humidity levels inside the building, creating an environment conducive to mold growth. When moist air escapes from the dryer and is released into the living space rather than outdoors, it may lead to condensation on surfaces, especially in cooler areas.

Moreover, the accumulation of lint and the moisture from the dryer can exacerbate the problem, potentially leading to mold infestations in hidden areas where conditions are favorable for growth. Effective ventilation practices require that dryer vents be directed outside to maintain a dry and healthy indoor environment.

Thus, understanding the implications of improper dryer venting is crucial for mold inspectors, as they assess buildings for conditions that promote mold proliferation.