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Quick Answer: What size dehumidifier do I need for my crawl space?

A good rule of thumb for picking out a humidifier for a crawl space is the smaller the space is, the smaller the dehumidifier should be. For a crawl space that’s about 300 square feet, you’ll want a 20-30-pint sized dehumidifier. For a 500 square foot space, you’ll want a 25-40-pint dehumidifier.

How do I choose a crawl space dehumidifier?

To ensure proper humidity control, we recommend sizing your project by cubic volume rather than square area. To do this, measure width, length, and height of the space and multiply (W x L x H) to determine cubic volume. Be sure to include any offset spaces and areas under adjacent rooms in your calculations.

How do you know what size dehumidifier to buy?

Other factors can influence the humidity of the room, so consider the following when sizing a dehumidifier:

  1. If your home is in a humid climate, add 10 pints to the recommended capacity.
  2. If multiple people live or spend time in the room, add 5 pints.
  3. If the room has multiple windows or doors, add 5 pints.
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Can I use a normal dehumidifier in crawl space?

You may be wondering, “Can I put a regular dehumidifier in my crawl space?” The answer is ‘No’. A crawl space dehumidifier will work well in combination with vapor barriers. Together they will be attacking two main sources of humidity: ground and air.

How many square feet does a 50-pint dehumidifier cover?

40 or 50-Pint Dehumidifier – This is the size recommended for areas up to 2000 square feet that feel damp and smell musty all the time, or in which moisture can be seen on the walls, or in which you’ve dealt with mold growth in the past.

How do I calculate the square footage of my crawl space dehumidifier?

For example, if your crawl space is 75 feet long and 25 feet wide, you would first multiply (75) x (25) to get 1875 square feet. Next, measure the height from the ground to the bottom of the flooring space( if it varies, use the average).

What does a 70 pint dehumidifier mean?

A 70 pint unit is more likely to be able to control humidity on the lower or lowest of its fan speed settings. Since the fan, not the compressor, is the main source of noise this reduces the overall noise output of the dehumidifier.

Can I use a basement dehumidifier in a crawl space?

High moisture levels in the basements and crawl spaces also damage the structural integrity of the whole house. Install a dehumidifier specially designed for crawl spaces. Only by using dehumidifiers can you reduce the humidity level to around 55% RH, which is ideal for excellent indoor air quality.

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Will a dehumidifier dry out my crawl space?

A large room dehumidifier is enough for a small crawl space, but for a larger one, you may need to rent a commercial grade model. Set the dehumidifier for between 30 to 45 percent and let it run for several hours, then check on the space. A wet crawl space could take a total of eight to 10 hours to dry.

How do I get rid of moisture in my crawl space?

How to Keep Your Crawl Space Moisture Free

  1. Make Sure Your Foundation Is Insulated. Basement waterproofing should be the first step to take if you want to keep your crawl space moisture-free.
  2. Get a Dehumidifier.
  3. Drain Your Crawl Space Better.
  4. Cover the Floor of Your Crawl Space.
  5. Use A Fan.

Is a 50-pint dehumidifier enough for basement?

40 to 50-Pint Dehumidifiers They are ideal for a damp basement or room, with clear indications of excess moisture, such as visible mold growth, damp stains, and musty odors.

What size dehumidifier do I need for 1000 sq ft basement?

Select a small one that can hold 10 pints of water for a 500-square-foot space; add 4 pints of capacity for every additional 500 square feet. So, to determine the size of humidifier for a 1,000-square-foot basement, you’d need to add 4 pints for a total 14-pint capacity.

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