If your home’s existing heating/cooling system is more than 12 years old, you could be on borrowed time. If you have recently experienced an issue with the operation or performance of your system, you’ve probably faced one of two options – either repair the component that is causing the problem, or replace the system altogether. That’s why we have compiled a list of the most important factors that every homeowner should consider before deciding whether to repair or replace a problematic heating or cooling system...

