Do I Need to Run Dehumidifier in Basement

Basements are more exposed to a constant source of moisture from the external environment; therefore, your dehumidifier should run very frequently. Molds tend to become a problem at a relative humidity of 60% and above. Therefore, we recommend that you keep your basement dehumidifier within a range of 40% to 60%.

Should you leave a dehumidifier on all the time?

To ensure the health and structural integrity, you need to run a dehumidifier in winter months too. But do not run your dehumidifier for too long. Take a hygrometer to every room to measure indoor temperature and humidity levels. Depending on the humidity level, you can switch on/off the dehumidifier in winter.

Do I need a dehumidifier in my basement in the winter?

During cold winter months, the air in your home is usually dry, which means a dehumidifier is not necessary. … Most dehumidifiers should not be operated in temperatures below 60° F, since the moisture removed from the indoor air can freeze when it condenses on the cooling coils, which can damage the unit.