Chimney dampers are designed to open when the fireplace is in use and closed when not in use. When it is open, the smoke can draft up the chimney and to the outside. When the chimney is not in use, we close the damper to prevent cold air from coming down the chimney.
A Step in Time Chimney Sweeps is a professional chimney sweep company in Virginia, USA. We offer chimney sweep services like chimney cleaning, chimney inspections and chimney repairs.