The ideal humidity level for a house is between 40% and 60% according to research
. This range is recommended for maintaining comfort and discouraging the growth and spread of mold. However, the ideal humidity level can vary depending on the season, clothing, and individual comfort levels. In the winter, a humidity level between 30% and 40% is typically ideal for keeping the home warm and comfortable, while in the summer, a level between 50% and 60% is recommended
. Humidity levels outside of these ranges can lead to various issues, such as dry or itchy skin, damage to wood furniture, and the growth of mold and mildew
