Often times homes lose both heat and cool air from these areas and homeowners think the solution is to replace them with brand new and expensive ones. The truth is often times they do not need to be replaced. Dr. Energy Saver Delaware will audit your floors, doors, and windows. Usually the solution is to replace the weather stripping, caulk, and better insulate the floors. Dr. Energy Saver Delaware offers solutions for all these issues and can quickly complete the work.