Cleaning your clothes dryer exhaust duct is an important service. This is a service that is often overlooked and CAN cause water damage. Possible fire hazard. Health risk. Higher electrical costs and even damage to your clothes dryer. When a dryer duct becomes plugged YOU are more likely to experience moisture or water damage. This moisture or water MAY or MAY NOT BE visible to YOU. We commonly retrieve 2 5 gallons of lint. And many times 2 4 gallons of water. From dryer ducts when we clean them.