Skip navigation



Serving Southern Brazoria County

Listen for These Furnace Noises That Indicate a Problem

As we move further into heating season, you’re going to start relying on your furnace more and more often to stay comfortable. That means more wear and tear on the system, which means more opportunities for problems to develop. If you want to keep your furnace in the best possible condition, you’re going to need to make sure that you identify any problems early so that they can be repaired. One of the best ways to do that is to listen for any strange noises coming from the system. Let’s take a look at some of the more common furnace noises that indicate a problem.


Your furnace distributes air throughout your home by means of a device called the air handler. The air handler is basically a motor attached to a fan. While the system is operating, the air handler is put under a lot of stress. In order to deal with this, the system is equipped with a number of oiled bearings to help it run smoother. Over time, these bearings wear down and the friction on the air handler increases. This produces a loud grinding sound. If you hear this sound, call for repairs as soon as possible. You don’t want the air handler motor to overheat and burn out.


If your furnace sounds like a cannon every time it starts up, it probably means that you have a dirty burner assembly. The burner assembly has carbon particles build up on it over time as more natural gas is combusted. Eventually, this carbon buildup causes the burner assembly jets to ignite later than they otherwise would. When they do, they consume the excess natural gas all at once and produce a booming sound. Have a professional clean off your burner assembly to fix the problem.

Switzerland Air offers comprehensive furnace repair services throughout Lake Jackson, TX.

Comments are closed.