“How well does the Bissell -air400 work (432 sq. ft.) in a home with a central air system that circulates all air through the entire house? ... Mick”
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It works great! We recommend having windows closed while running the machine. Be sure air can circulate freely around the machine, so place it at least a foot away from walls or furniture. In a 400 sq. ft. room the machine filters the air 3 times per hour. You can adjust the speed setting based on the what the display feedback is showing.
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