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While not always, you may notice an abnormal noise coming from the system, your heating or cooling system running non-stop, or warm air/cool air coming from the vents during the opposite season. Abnormally high utility bills are also a common indicator.
Problems can be caused by a number of different factors. The most common include:
- Normal wear and tear associated with age. As your heating & cooling system is nearing the end of its life cycle you may see an increase in maintenance bills. This is a good indication that it is time to replace your system.
- A failed part due to any number of reasons. Routine maintenance on your heating & cooling system can sometimes head off these types of problems. You can catch them before they become major problems.
- Improper or poor maintenance. Lack of maintenance also decreases the efficiency of your system and makes it more costly to run.