Summer can be the most humid months, with 80 to 90 percent humidity outside. Indoors, humidity levels of about 30 percent to 50 percent are considered comfortable. Indoor humidity levels higher than 50 percent can cause mildew, condensation, mold, pest damage and allergies.
Is 80% humidity bad for electronics?
Most humans prefer indoor conditions to be between 30% and 50% humidity. This is also the ideal range for electronics. In environments where the humidity is higher than 50%, electronics are susceptible to damage.
Is 80 humidity high for plants?
Houseplants do best at a relative humidity of 70 to 80 percent, a level that is often difficult to maintain in the home. Any increase in humidity will help plants, however, especially if the dwelling is heated by a wood or coal stove or fireplace.
Can crawl space cause high humidity in house?
However, it's actually true that open crawl space vents increase the amount of moisture in the crawl space, rather than decreasing it. Open crawl space vents allow cool air and warm air to meet, which increases the relative humidity in that area, typically above 100%.Mar 4, 2015
Why is my crawl space so humid?
When it's damp outside, the crawl space air is vented with damp air! When it hits the cooler air of the crawl space, it increases the relative humidity by about 2% per degree! This means your crawl space humidity goes up by about 22 degrees. This causes condensation along the surfaces inside the crawl space.
What humidity is too high for crawl space?
That's a difficult question to answer. However, 60% humidity in the crawl space should probably be the top end of your ideal crawl space humidity level. Most people aim for around 55% to avoid any unforeseen problems.
How do I lower the humidity in my crawl space?
- 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.
- Get a Dehumidifier.
- Drain Your Crawl Space Better.
- Cover the Floor of Your Crawl Space.
- Use A Fan.