Dampers help to minimize the loss of warm and or cold air from going up the chimney costing you more money. Dampers are also the last line of defense for keeping unwanted animals out of your home. A-1 Safety Chimney Service, Inc. not only replace existing fireplace dampers but also offers upgrade options such as Lock Top Dampers, Energy Top Dampers, Seal Tight Dampers, etc. these are all roof top dampers. Give us a call today to schedule your appointment (630)827-0600.