When winter temperatures settle in across Pennsylvania, your furnace becomes one of the most important systems in your home. Most of the time it runs quietly in the background, but when unusual noises start, they can be hard to ignore. Understanding what those sounds might mean can help you determine whether a simple adjustment is needed or if it’s time to call for professional service.
Here are some of the most common furnace noises, what they typically indicate, and when to schedule a repair.