Accurate dehumidifier settings for basement 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%. More accurately, set your dehumidifier to maintain an exact 50% humidity.

What is a good basement humidity level?

30 to 50 percent





Normal Basement Humidity Levels
A comfortable basement should maintain a humidity level of 30 to 50 percent — however, those may differ depending on your climate.

What number should a dehumidifier be on?

Optimal Dehumidifier Humidity Setting

So, what is the best humidity setting for a dehumidifier? To prevent mold growth and keep your home’s relative humidity at a comfortable level, we recommend aiming for 30%-50% humidity in your home.

What temperature should a dehumidifier be set at?

Ideal Dehumidifier Operating Temperatures. The ideal operating temperature for refrigerant dehumidifiers is between 70 and 90 degrees F.

Is 70% humidity in basement too high?





A relative humidity level of 70 percent or higher creates the perfect breeding ground for mold growth. Leaving basement mold unchecked could amount to unhealthy indoor air, causing sickness to your family and aggravated upper respiratory issues. Also, home-destroying mold could also cause costly foundation damage.

Will mold grow at 55 humidity?

Sometimes, humidity or dampness (water vapor) in the air can supply enough moisture for mold growth. Indoor relative humidity (RH) should be kept below 60 percent — ideally between 30 percent and 50 percent, if possible. Low humidity may also discourage pests (such as cockroaches) and dust mites.

Is 60% humidity too high for a basement?

Sometimes, humidity or dampness (water vapor) in the air can supply enough moisture for mold growth. Indoor relative humidity (RH) should be kept below 60 percent — ideally between 30 percent and 50 percent, if possible. Low humidity may also discourage pests (such as cockroaches) and dust mites.

What is a good humidity settings for basement in the winter?

Warmer summertime air comes into your home bringing its excess humidity with it. This excess humidity in basements is often well above the recommended 30-50% relative humidity levels. Excessively high humidity levels can easily lead to mold and other problems.

Should you run a dehumidifier in the basement all the time?



As you debate whether or not to use a dehumidifier in winter, you should always watch the humidity levels in your home. If your relative humidity levels stay high, it might be a good idea to run your device. In fact, if your humidity levels remain above 50 percent, your room will benefit from a basement dehumidifier.

What is a good humidity level for a basement in winter?

around 25 to 40 percent

During winter months, optimal home humidity levels should be around 25 to 40 percent. However, if the humidity levels drop too low, you can experience adverse effects on your health, causing things like nosebleeds, dry skin and more vulnerability to common winter-time sicknesses.

Should you run a dehumidifier in the basement all the time?



As you debate whether or not to use a dehumidifier in winter, you should always watch the humidity levels in your home. If your relative humidity levels stay high, it might be a good idea to run your device. In fact, if your humidity levels remain above 50 percent, your room will benefit from a basement dehumidifier.

Is 65 humidity too high in a house?

Research from the Building Science Corporation found that humidity of 70% or higher adjacent to a surface can cause serious damage to the property. The Health and Safety Executive recommends that relative humidity indoors should be maintained at 40-70%, while other experts recommend that the range should be 30-60%.

What should I set my dehumidifier at in winter?

Set dehumidifier to 50% and below to keep dust mites from thriving. Adjust to below 50% based on comfort level. use 45% as a general guide, as is suitable for many people. Reduce use in winter as humidity will drop with cold or when heat is in use.

How long does it take for a dehumidifier to dry basement?

6. How long will it take to get the moisture under control? As long as the dehumidifier you choose is large enough for the area it is working in, and there are no specific damp problems, then a dehumidifier will normally reduce the humidity to the chosen level within a few days to a week.

Should I run dehumidifier in basement in winter?



You should only run a dehumidifier in your basement in the wintertime if the room maintains a high relative humidity. To monitor the relative humidity in your basement, hang a humidistat (sometimes called a hygrometer) on the wall. It works like a thermometer, constantly measuring the relative humidity in the room.

What humidity level should I set my dehumidifier?

between 30 and 50 percent

Set the humidity level.
The optimal relative humidity level is between 30 and 50 percent, according to Energy Star (and 30 to 40 percent in colder areas during heating season). If the humidity is higher than that, it can breed dust mites, mildew, and mold, and trigger allergies.

How often should you run a dehumidifier in a basement?

So to recap, run your dehumidifier unit for at least 12 hours a day. This is a good rule of thumb. Again, it’s okay if you don’t stick to this schedule every day, but be aware that the more your family runs your dehumidifier unit the fresher and cleaner it will be all year long.

What is a good humidity settings for basement in the summer?



Indoor relative humidity (RH) should be kept below 60 percent — ideally between 30 percent and 50 percent, if possible. Low humidity may also discourage pests (such as cockroaches) and dust mites. The key part that we forget when it comes to basement dehumidifier settings is the temperature.