Jump to: can you run a dehumidifier all the time?

Basements can often be a problem room in regards to mold growth because they have little exposure to heat and sunlight from outside.

They often have the issue of trapping moisture inside because of this.

As most people know, a dehumidifier can regulate humidity in rooms such as the basement and other shut-off areas of the house.

However, in the winter months, having your dehumidifier running depends on some very important factors.

2 Factors to Consider When Choosing Whether or Not You Should Run a Dehumidifier in the Winter

Here are some things to keep an eye out for as you debate whether you need a dehumidifier in your room over the winter.

1. Where You Live

Be careful if you live in cold weather climates. Since the purpose of a dehumidifier is to attract moisture, the coils can possibly freeze if the weather gets too cold.

However, in rooms that are above 60 degrees Fahrenheit, such as a heated basement and the like, a dehumidifier would work just fine. Just be careful when the temperatures start dropping and keep an eye on your device while in use.

2. Your Relative Humidity

You should pay attention to your humidity levels as you debate about whether to use a dehumidifier in the winter months.

If your relative humidity levels stay high even in the later months of the year, it might be a good idea to run your device.

If your humidity levels remain above 50 percent quite often, your room will benefit from running a basement dehumidifier and keeping the mold from developing.

Don’t know your current humidity levels or your current dehumidifier doesn’t have a meter? You can get a handy hygrometer that will help you monitor the humidity levels and help you calibrate your settings correctly. 

how to tell humidity levels

3 Things to Keep in Mind If You Choose to Run a Dehumidifier in the Winter

Here are some major things to consider if you do choose to run a dehumidifier in the winter months.

1. Monitor Your Device Regularly

You must keep an eye on your device whenever you decide to run it. If the temperature or humidity levels drop below the ideal level, you will want to turn it off.

If you can set an automatic humidity threshold, the most logical amount is 30 percent humidity. This will keep the room dry but not overly so.

2. Monitor the Room Temperature

If you happen to notice that the room is cold, but you are still developing high humidity, a heater can be run for a few hours each day. This will help regulate the temperature in the room, making it a little easier to control the relative humidity.

3. Keep an Eye Out for Mold

If you still notice signs of mold growth even with taking the above measures, make sure to kill it immediately using natural fungicides like white vinegar, hydrogen peroxide, or rubbing alcohol.

Then you have to dry the room completely, often accompanied by uses of your dehumidifier, to make sure the mold has not spread.

More Tips on How to Use Dehumidifiers

Need some more helpful tips? Check out our guide on how to choose your dehumidifier settings and 6 basic steps on how to use a dehumidifier properly.

As we near the end of the year, keep these suggestions in mind. Check out Eva-Dry’s inventory at www.eva-dry.com. There you will also find great suggestions to keep your home’s humidity levels regulated as well.

If you have any questions, feel free to contact us anytime! We are here to help you!

Can You Run a Dehumidifier All The Time?

The answer depends on a few factors:

  • whether your dehumidifier is electric or desiccant
  • what your average relative humidity is where you’re using your dehumidifier

Electric dehumidifiers can be left for a long time before their tray is full of water, but as long as you come back to check on them every day or every other day, it’s usually fine. Small electric dehumidifiers will eventually burn out from 24/7 use– typically after six months or more. They’re simply not built like most medium-to-large size dehumidifiers that are built for that purpose.

Eva Dry’s desiccant dehumidifiers are actually rechargeable. Once the beads are too wet to keep being used, you can plug them in to dry out the desiccants inside. Then, unplug the dehumidifier and put it back where it was before.

Dropping The Relative Humidity Too Low

If you frequently stay in the room where you’re placing your dehumidifier, running your dehumidifier all the time might actually make the room too dry. This isn’t normally the case– this tends to only happen when using the dehumidifier for more than eight (8) hours results in the relative humidity staying at less than 15%.

Staying in a room where humidity is this low isn’t dangerous, but it can irritate the throat and dry out your sinuses. Typically, you want to keep the relative humidity at 20-25% for most rooms. Just don’t forget to check the relative humidity before leaving it on overnight.

Author bayshore

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