Preventing Dampness Damage
The ideal relative humidity level for homes is between 45 and 50% with the highest relative humidity in basements - usually 70% to 100%. Basement humidity can cause damage to both your home and your health. What to do? Measuring and maintaining a healthy humidity level in your basement is easier than you think!

First, measure the humidity with a digital hygrometer. These are readily available for purchase at home improvements stores as well as Amazon with an average cost of about $10. Keep the meter plugged in to provide an ongoing moisture reading.

Because of their high humidity levels, basements are typically the areas that need moisture reduction. So, second, we highly recommend installing a dehumidifier to reduce that humidity. Here's a quick video to help you determine which size and type unit you need for a particular area in your home.


  • Reduce allergens and irritations. By reducing the humidity levels, you can greatly reduce allergens such as dust mites, mold and mildew which trigger allergic reactions. Dehumidifiers help reduce allergen and dust levels in your home, thereby reducing irritation to your skin and respiratory system, allowing you to breathe easier and feel more comfortable. Another benefit? Less dust equals less cleaning!

  • Reduce odors. Dehumidifiers help reduce odors that accompany mold and mildew in your home - getting rid of that "musty" or "rotting" smell.

  • Reduce destruction and corrosion. Dehumidifiers help reduce the possibility that you will develop mold on your clothing, furniture, linens and other items such as books and paper goods. You'll be less likely to find signs of rust or corrosion on things like computer equipment, electronics and tools.

  • Reduce energy and consumption costs. Dehumidifiers lower energy costs because they help your air conditioner run more efficiently. If you air dry clothes, your clothing will dry faster without that awful smell. And less humidity in your house means that breads and cereals will remain fresher longer without getting stale.
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