Fireplaces are nice for looks, but when it comes to efficiency there are few that are efficient. Because of the inefficiencies in fireplaces during the blower door all the seams are taped to prevent soot from the fireplace from entering. The blower door is used to locate air leaks within the home and because the fireplace is a direct hole to the outdoors most of the heating and cooling leaves your home year round even with the damper is closed. Dr. Energy Saver Delaware has the perfect solution for this fireplace issue. Stop the drafts while maintaining a functioning fireplace.