The low large one is probably a “makeup air” vent, which allows combustion in the utility room to draw fresh air for its needs. It could also just be ventilation to prevent staleness.

How do you get rid of humidity in a basement?

5 Tips to Reduce the Humidity Level in Your Basement

  1. Open the Windows. A great way to get air circulating in the room is to open up the windows whenever you’re down there. …
  2. Keep It Clean! Storing too many items in your basement will create clutter. …
  3. Seal Up Any Gaps. …
  4. Turn Up the Heat. …
  5. Get a Dehumidifier.




How can I lower the humidity in my basement in the summer?

Putting a dehumidifier in the dampest part of your basement can dramatically reduce its humidity levels. A dehumidifier has a fan that draws in air — that air then runs into cooled coils that remove its moisture and deposit it in an attached tank or down a drain.

How can I get humidity out of my basement without a dehumidifier?

How to Keep Basement Dry Without a Dehumidifier

  1. Set Houseplants Near Windows. …
  2. Hang Baking Soda In Plastic Bags.
  3. Use Fans in the Room. …
  4. Purchase Carpeting Mats. …
  5. Place Damp Rid in Your Basement. …
  6. Install a Vent Fan. …
  7. Add Extra Drainage and Waterproofing.

Does humidity come from the basement?





Humidity is caused by evaporation of water into the air. If there are no apparent leaks or puddles of water in your basement, here are some of the common reasons why your basement is humid: Because of the wet foundation walls.

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 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.

How do I keep my basement dry?

The Best Steps to Take to Keep Your Basement Dry

  1. #1. Keep Water Away from Your Foundation. …
  2. #2. Seal Your Interior Walls & Floors. …
  3. #3. Use a Dehumidifier. …
  4. #4. Insulate Your Cold-Water Pipes. …
  5. #5. Patch Holes/Cracks Early. …
  6. #1. Look for Signs of Water Damage. …
  7. #2. Look for the Moisture Source. …
  8. #3. Keep an Eye Open for Mold.

Will a fan in the basement help reduce humidity?



A fan itself won’t really help with the humidity levels in your cellar, but it will help with getting air moving into the room from other areas such as the rest of the house and outdoors. Having a fan on a low speed regularly in your basement will improve airflow – thus moving the wet air out and the dry air in!

How do you dry out a basement?

Use fans and a dehumidifier
To start drying, use a dehumidifier in the center of your basement. This will be a big help for removing moisture, but you can use large fans if you don’t have a dehumidifier. Turn on the air conditioning in your basement — that will help too.

Where should dehumidifier be placed in basement?

In conclusion, the best place to keep a dehumidifier most definitely is the downstairs basement or upstairs close to the stairs. This is because the basement is the most humid place in your house. If there is any other moist condition upstairs, its source must be resolved rather than placing a dehumidifier.

Should you run a dehumidifier in the basement in the 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 setting should a dehumidifier be set at?

What setting should a dehumidifier be on? The best setting for a home dehumidifier is between 30 and 50%, though most people will find comfort at a 45% humidity level. There are challenges when there is too much humidity in the air, as well as when there is not enough humidity in the air.

Should a dehumidifier run constantly?

Should a Dehumidifier Run Constantly? No, there is no need to keep the dehumidifier running constantly. It’s generally enough to run the unit when the humidity level is 50% or higher. A good rule of thumb to remember is to maintain a comfortable 30-50% humidity level for most homes.

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

The key to drying a basement fast is using high-volume fans and dehumidifiers. The fans help water evaporate, while the dehumidifiers pull it out of the air. When used properly, they can dry a wet basement in as little as 12 hours.

Should I run dehumidifier in basement in summer?



Do you need to run a dehumidifier in basement during winter and summer? Regardless of the season, if the relative humidity is higher than the recommended level of 60%, you should run a dehumidifier. Nevertheless, some seasons have more dry air than others, and humidity might be lower than some other seasons.

How do I know if my basement needs a dehumidifier?

Signs You Need a Basement Dehumidifier

  1. Bugs: Creepy crawlers often prefer damp, dark conditions. …
  2. Smells: Perhaps the most obvious sign that moisture is a problem in your home is a damp, musty odor. …
  3. Rust: …
  4. Damage to Home and Possessions: …
  5. A Cold, Clammy Feeling:

What are the disadvantages of a dehumidifier?

Pros & Cons of Dehumidifiers

  • Pro: Helps With Allergies. Excess moisture in the air promotes mold growth, and mold causes allergies in many people. …
  • Pro: Increases Comfort. …
  • Con: Noise and Heat. …
  • Con: May Increase Energy Bill. …
  • Con: Requires Regular Maintenance.