Humidity can be set on a humidifier to anything between 30 percent and 50 percent, with a level between 45 percent and 50 percent considered ideal. When humidity is over 50 percent, bacteria and mold can accumulate. When... More »

A humidifier should be set between 45 and 50 percent relative humidity. The variance in humidity levels is based on how dry or how moist a person wants the air to be. More »

To set the humidistat on a humidifier, determine the proper relative humidity for the home and switch the dial to that setting. You need a humidifier, such as those mounted on furnaces or a standalone unit, and a relativ... More »

Maintaining an indoor relative humidity of approximately 45 percent is the ideal level for the summer months or warmer climates. Colder climates or the winter months require even lower levels, approximately 30 to 40 perc... More »

The recommended level of humidity for a home is between 40 percent and 50 percent in warm weather. In wintertime, a humidity level of between 30 percent and 40 percent is recommended. More »

The ideal humidity level for a basement is between 30 and 50 percent. The prime growing conditions for unwanted mold and spores start at around 60 percent. More »

The ideal humidity range for the inside of a building is between 30 percent and 60 percent, depending on the temperature and time of year. Humidity outside the recommended ranges causes discomfort, property damage and he... More »