Now is the time of year when it’s a good idea to start thinking about preparing your home heating system for the onset of the heating season. For most homeowners, that will simply mean scheduling professional maintenance services. For some people, though, it’s going to mean replacing their heating system altogether. If you’re not sure whether or not your heating system can survive another season, you should call a technician and have them evaluate your heater in-person. In the meantime, the following are some pretty clear indications that it’s time to have your current system replaced.