Dehumidifier Setting – How to Set a Dehumidifier?

What is the best way to set up your dehumidifier?

It all depends on what you want to do. If your goal is to remove excess humidity levels from your home, then you will need to get rid of humidity.

To do this, you need a dehumidifier that can work on high levels of moisture. This will make it easier to remove more water from the air.

Setting the thermostat higher will make it blow more air, which helps with ventilation and can also help you prevent mold from growing.

Dehumidifier Humidity Settings: What Are They and Why Do They Matter?

A dehumidifier is a machine that takes water out of the air. It depends on the room’s humidity level, so you will need to set it at the right number for your room. If it is too dry or too humid, then mold and bacteria will grow in basements and other parts of your house.

Humidity Level in Your Home

There is no perfect humidity setting level. But there is a range of what the right humidity level is. We want it to be in that range. The humidity should be at a level where your body can’t cool itself as well as when it’s lower.

A dehumidifier can help dry out the air. It is not important to get the humidity just right. You should bring it down to a level that feels more comfortable, like around 30%.

Optimal Dehumidifier Humidity Setting

Many dehumidifiers can tell you the humidity level in a room. If your dehumidifier doesn’t have this feature, you can buy a hygrometer.

If you do not want to use the humidity levels on your dehumidifier, then you may need to adjust it up or down. You should set it at around 40%-50%

How to Set Humidity on Dehumidifier

Your dehumidifier has a button to control the humidity. It should say “Humidity Level” or “Dryness Setting.” Newer models let you choose how much relative humidity you want in the air. Older models may have more vague names for this button, like “Fan Speed.”

If you have an older dehumidifier, you might need to experiment with the settings. Low, medium, high or a numbered scale will do. It is generally easy to set your desired relative humidity level by using the controls on your dehumidifier.

For more information, visit the dehumidifier manufacturer’s website to access a manual.

Read more: How do you set up a dehumidifier?

Basement Dehumidifier Settings

A basement should have a relative humidity of between 30 – 50%, so set your basement dehumidifier’s humidity setting below 50. This can inhibit mold growth and mildew which can be the causes of bacteria.

How to adjust your basement dehumidifier settings:

   •   Check basement humidly: Most basements average around 50 -65% humidity level in summer.

   •   Adjust dehumidifier Setting: Set the dehumidifier to under 50% humidity.

   •   Monitor Basement Humidity Level: Test using a hygrometer.

   •   Fine Tune Dehumidifier Setting: Adjust the dehumidifier setting to reach ideal range or below 50%.

The average humidity in a basement is 50-65%. The safest number to consider is 50% so that you will not get too much moisture.

Basement Humidity Level and the need for accurate setting

Running a dehumidifier setting incorrectly can cause it to run at high speeds. This can lead to your house becoming too dry, or the opposite if you don’t set it high enough.

Finding a balance between speed and humidity will help you. Some dehumidifiers come with a hygrometer built in to help it work. But these are for people’s homes, not the basement.

We suggest that you buy a hygrometer to measure the humidity in your basement.

Dehumidifier setting to prevent mold growth

Mold can get into your house if the humidity is too high. So we recommend a dehumidifier with a setting of 30%-50%.

Sometimes, water vapor in the air can lead to mold growth. Keep your humidity (the amount of water vapor) inside too low. The best way to do this is with a dehumidifier that you can set at between 30% and 50%.

The low humidity from the dehumidifier can also keep pests away, like cockroaches. It can also keep dust mites away.

Further Reading

What Should a Dehumidifier Be Set At in a Crawl Space?