Cellars in my part of the world tend to be humid.
Many have open dirt floors, and the water in the
ground evaporates. Running the fan would draw
drier upstairs air through the furnace. Maybe your
part of the world doesn't have humid cellars.
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.