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 »

Fern houseplants require constant warmth and a humid environment in order to thrive indoors. Ferns originate in tropical and sub-tropical areas and require a steady temperature of 60 to 70 degrees Fahrenheit during the d... More » Home & Garden Gardening & Landscapes Houseplants

The ideal indoor humidity level for a home falls in the range of 35 to 50 percent. This range provides the optimal comfort and health. More »

People are most comfortable whenever the relative humidity level is around 45 percent says HowStuffWorks. A level of 100 percent humidity means that the air is saturated with water vapor and unable to hold more. When thi... More »

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 »

To maintain the correct humidity level in a basement, place a dehumidifier in the basement, and connect it to the existing main stack, feeder drain or utility sink. If the dehumidifier doesn't measure the level of humidi... More »

A dehumidifier with a built-in humidistat is generally set at a relative humidity level between 30 and 50 percent. If winters are cold and heating systems are needed, a level between 30 and 40 percent keeps windows from ... More »