Humidity
What is the appropriate level of humidity for the inside of a structure?
Humidity in the air can supply enough moisture to allow for mold growth. The ideal indoor humidity level should be between 30 and 50 percent. Besides impeding mold growth, a low level of indoor relative humidity (RH) can discourage pests and dust mites from taking up residence in a building.
A building's humidity level is impacted by many things, such as the following:
- Humidifiers
- Steam radiators
- Dryers
- Stoves
- Cooking
- Showering
Essentially, any activity or appliance that leads to a temperature increase or decrease will impact the RH in a building. Condensation is formed when humid air comes in contact with a cold surface. If there is visible condensation, it is often a sign of high humidity.
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