FACT: It is important to dry water damaged areas and items within 24-48 hours to prevent mold growth. ... Without water, molds die but the spores do not. If water returns, the spores regenerate growing colonies of mold.

Does dryness kill mildew?

Mold will not completely die, but it will dry out. Humidity levels between 30%-60% are preferable in the prevention of mold growth. Warm air absorbs more moisture than cold air. ... The best way to fight and prevent mold from affecting your home is through complete removal.

Does removing moisture kill mold?

Mold stays “dormant” in the air or on surfaces even when there's no excess moisture to help it grow. ... So, to answer your question, dehumidifiers do NOT kill mold, but they do prevent it by reducing humidity. If you have a mold problem in your home, don't wait. Mold spreads as long as it has a water source.