Be sure wet or damp materials dry quickly, within 24-48 hrs after a leak or flood.

Keep indoor humidity low, ideally between 30%-50% relative humidity.

Vent all bathroom and clothes dryers to the outside

Use air conditioning, dehumidifiers, or ideally a 3 in 1 ventilation system

Clean and repair roof gutters regularly

Keep air conditioning drip pans clean

Inspect and take steps to prevent leakage around windows and doors

Add insulation around windows, pipes, exterior walls, or floors to reduce condensation.