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Many of today’s homes and commercial buildings throughout the District have several different types of these exhaust fans. In the past, a simple ceiling fan could provide sufficient air circulation in many rooms, but now, they are designed for more tha...

It is a good idea to keep your exhaust fan on low speed while you are cleaning, though. You should let the fan do its job at cleaning while you use the brushes to remove dust and mites. You should also let the fan run at its lowest speed for a few minu...