The buildup of moisture can lead to the growth of molds on the walls and inside your appliance. Appliances which use water in their operation, such as washing machines or dishwashers, are susceptive to moisture leakages and buildup. Moisture can also damage the cooling mechanisms of freezers and refrigerators. In addition, inhaling air infested with excess moisture threatens your health. To mitigate this issue, you need to contact a technician upon noticing excess moisture on your appliances.