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Touchstone Heating & Air Inc. Blog

Furnace Noises That are Warning Signs of a Problem

Your furnace is going to be under a lot of strain over the next couple of months, which means that problems will be more likely to occur. It’s important that you know the warning signs that your furnace is developing a problem. One of the easiest ways to tell that your furnace is having issues is to listen for any strange noises coming from it.


The air handler is the part of the furnace responsible for circulating air throughout the home during operation. This puts a lot of stress on the air handler motor, so to compensate it is equipped with a number of oiled bearings. Over time, these bearings will wear down and the friction on the furnace will increase. That causes a loud grinding sound while the furnace is on. If you hear this sound, make sure that you call for repairs right away. If the bearings are not replaced, the air handler motor will eventually overheat and burn out.


A deep booming noise is common in gas furnaces where the burner assembly has become clogged. Carbon particles build up on the burner assembly jets over time, as byproducts of combusting natural gas. The buildup will eventually become so severe that the jets in the assembly may not fire on-time. When they do fire, they will burn through a lot of gas at once and make a loud booming sound. Professional cleaning services will solve this problem, but make sure that you do it quickly. If the jets become completely clogged, the furnace will not be able to start.

Touchstone Heating & Air Inc. offers furnace repair services throughout Starke, FL. If you need furnace services of any kind, call today to schedule an appointment with one of our technicians. We’ll make sure that your furnace serves you well.

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