Especially in the Frederick, Potomac, Ijamsville, and the Bethesda, MD areas, air ducts collect particles. In fact, it may disturb you to know that the air ducts in your home can circulate up to 35 pounds of dust, hair, mold, bacteria, and chemicals every year. If you own a remodeled home, construction debris can cause the amount of unhealthy debris in your home to double. That means up to 70 pounds of air duct gunk could be circulating in your family home! Do not leave this professional task in the hands of an amateur - Real Clean Air... read full review »