Purify and Clean Your Home From Smart Home Spring/Summer 2005 Vacuum and dust weekly to reduce the number of pollutants in carpeting and furniture upholstery. Invest in a quality air purifier for your home, which will eliminate contaminants that become airborne after cleaning. Quick tip: Use a vacuum cleaner fitted with a high-efficiency filtration system in the exhaust. And turn on your central air system to catch airborne particles while you’re vacuuming.