HVAC services are not things that many people know a lot about. This can be problematic when it breaks down.
If your HVAC system us giving you issues, tour your home before calling a technician. This will help the repairman determine where the problem is.
Know what you need before you select an HVAC contractor. It will be hard for an HVAC contractor to give you with an estimate on the phone if they have not seen your current system. It will be more hard if you over the phone without the information readily available.
Clean your fan …