If you have wool or feathered bedding that cannot be washed, replace it with synthetic items that are machine washable.

Dust and mop your home at least once per week.

Steam clean your carpets and furniture at least 3 times per year.

Vacuum your home weekly, or more often in high traffic areas.

Try installing a humidity monitoring device in your home, such as a hygrometer. Consider using a dehumidifier or running the air conditioner to help control humidity levels.