The HVAC system in your home consists of a number of elements. When one of those elements doesn't work properly, the entire system can begin to have issues. So, how do you diagnose when a problem is occurring? Is there anything you can do yourself to prevent a total break down? My blog contains tips that can help you identify and repair some of the common issues that homeowners will experience with their HVAC systems. What I have included should help the average DIYer keep the heat on during the cold winter nights and the air on when the summer temperatures are scorching.