Duct work located in the Worcester Maryland attic pulls the hot air in during the summer and cold air during the winter. Duct leaks create extra work for Heating and Cooling shortening the life of the equipment along with cost more to operate. Dust around registers are typical signs of duct leakage. Duct Repair by Dr. Energy Saver Delaware will reduce your heating and cooling bill while also reducing the amount of duct and outdoor allergens entering your home.