Use this guide to find out what the ideal basement humidity level is and how to measure basement humidity.
Invest in a hygrometer to find out if there is a problem before serious signs appear.
Moisture may also seep into the basement from new concrete foundations as the concrete gradually dries in new homes.
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Why Is Basement Humidity a Problem?
High basement humidity can causemusty odors, mold growth, wood rot, rusting, andmoisture accumulation.
When the ambient humidity is above 50 percent, the air will feel thick and muggy.
Just keep in mind that the air can dry out quickly when heating the home.
Use these methods to increase the basement humidity levels.
Try one of these methods to decrease the basement humidity level.
Use a dehumidifier to help reduce the basement humidity level until it is within a normal range.
During the summer, it’s recommended to set the basement dehumidifier between 40% and 50%.
In the winter, set the basement dehumidifier to between 30% to 40%.
The dehumidifier should not need to run constantly to control the humidity levels in the basement.
Mold Course Chapter 2: Why and Where Mold Grows.US EPA.
