Inspecting the Dryer Exhaust

According to InterNACHI’s Standards of Practice, home inspectors are required to inspect the mechanical exhaust system for the clothes dryer. The clothes dryer must vent directly to the outdoors, unless it is a vent-less dryer equipped with a condensate drain.

Devices that allow moisture and heat to vent back into the home should not be used. Dryer exhaust ducts must terminate at the exterior of the building.