If your dryer is in the basement and the basement is underground, run duct up the exterior wall and out the rim joist. Set the vent a minimum of 12 inches above the outside ground. Pro tip ...

Q: Is it safe to vent the exhaust from my dryer into my basement instead of outside ... depending on the season, such as icy windows and attics and moldy walls and closets. In addition, unvented ...

The dryer must vent to the outside and not into the attic, crawl space or basement. The damp air alone can cause other problems like mold and rot in a crawl space and the same or other issues if ...