Illinois Home Inspector Practice Exam 2025 – Your All-in-One Guide to Exam Success!

Question: 1 / 535

What is the primary strategy for controlling mold in the home?

Control humidity levels

Controlling humidity levels is key to managing mold growth in the home because mold thrives in moist environments. By keeping humidity levels between 30% and 50%, you significantly reduce the chance for mold spores to settle and grow. This involves using dehumidifiers, improving drainage around the foundation, and fixing leaks promptly to prevent excess moisture. While increasing ventilation, regularly cleaning surfaces, and using air filters can contribute to a healthier environment, they do not address the root cause of mold proliferation as effectively as controlling humidity. Lower humidity directly limits the moisture available for mold growth, making it the most crucial strategy in mold prevention.

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Increase ventilation

Regularly clean surfaces

Use air filters

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