Use downspouts to direct rainwater away from the house. Make sure your gutters are working properly.
Slope the dirt away from your house foundation. Make sure the dirt is lower 6 feet away from the house than it is next to it.
Repair leaking roofs, walls, doors, or windows.
Keep surfaces clean and dry – wipe up spills and overflows right away.
Do not keep wet clothes in the laundry basket or washing machine. Leave washer door open to dry.
Don’t leave water in drip pans, basements, and air conditioners.
Check the relative humidity in your home. Stop using your humidifier if the relative humidity is more than 50%. If the humidity is high, don’t keep a lot of houseplants.
Wipe down tub/shower walls with a squeegee or towel.
Cover window wells if they leak.
Cut down on steam in the bathroom while bathing or showering. Run a fan that is vented to the outside, or open a window.
Run a fan vented to the outside when cooking.
If you have a dryer, make sure it is vented to the outside.
Use a dehumidifier or air-conditioner to dry out damp areas.
If you use a humidifier, rinse it out with water every day. Every few days, follow the manufacturer’s directions for cleaning it.
When you use your air conditioner, use the “auto fan” setting.
Throw away wet carpeting, cardboard boxes, insulation, and other things that have been very wet for more than 2 days.
Increase airflow in problem area – open closet doors and move furniture away from outside walls where mold is growing. Move your furniture around once in a while.
Keep people with asthma or allergies away from damp areas of your home.