One of the easiest ways to identify a furnace malfunction is by paying attention to the sounds your unit makes. There are some quiet sounds that are a normal part of everyday operation. But loud or persistent noises can be a red flag that something is going wrong inside your furnace.
Some sounds are more serious than others, but they all deserve immediate attention so they don’t have a chance to worsen. You can keep reading to learn more about the sounds that indicate you need to call and schedule heater repair in Frederick, MD.