The ideal humidity level for a home is between 40%-60% . However, the ideal level may vary depending on the time of year, what kind of clothes you’re wearing, and where your family is naturally comfortable. To discourage the growth and spread of mold, levels should be kept below 50% . In the winter, a level between 30 and 40% humidity is typically ideal for keeping your home warm and comfortable without leaving condensation on the windows. In the summer, that level can be higher, between 50 and 60% . However, the ideal humidity level for your home may change as the seasons change and outdoor temperatures fluctuate. Certain areas of the country, especially those in the South, typically experience higher humidity levels.

It is important to note that the perfect humidity for a home is subjective, and it will depend mostly on your comfort levels. You can use a device that can measure humidity, such as a hygrometer, to know your levels. However, older wall humidistats are often inaccurate with their readings. Most smart thermostats display the humidity level in your home, although they cannot control it. To maintain the ideal relative humidity levels in your home, you can install portable or whole-house dehumidifiers and humidifiers.