If your system is not making any strange noises, if it is cooling and heating sufficiently, if it works quickly to cool down or heat up, and if your utility bills have been steady, then you probably have a well-functioning system in your home or business. However, if the opposite to any of these factors is occurring, calling the experts at Air-Bon to come check out your system is highly recommended. We will always be able to identify the problem and come up with a cost effective solution.