Indoor humidity levels that are too high, or too low, also can affect the well-being of occupants, and the durability of the home or building itself. It keeps you warm and cozy in winter and helps save you money on heating bills. At The American Lung Association has identified mold as a major allergy trigger. Serious medical conditions, including breathing difficulties, memory and hearing loss, and bleeding in the lungs, have been linked to particularly virulent strains of mold. To prevent mold growth in your home, it's important to keep the air fresh and the humidity down, particularly if you live in a damp state, such as Texas, Louisiana, Florida or Oregon.
Low humidity helps prevent growth of mold.