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PRK Services, Inc. Blog

These 3 Furnace Noises Indicate a Serious Problem

Furnace problems are much more prevalent during winter, when the strain on the system is greatest. If you’re using a furnace to keep warm this winter, make sure that you stay vigilant for signs that your furnace is in need of repair. One of the easiest ways to do that is by listening for any odd noises that may be coming from the system. Let’s go over 3 of the more common furnace noises that indicate an issue with the furnace.


If you’re using a gas furnace, and it’s making a booming sound on startup, it means that you probably have a clogged burner assembly. The burner assembly is the part of the system that ignites the flow of natural gas to produce heat. Carbon particles collect on the assembly over time, eventually clogging it and causing it to fire later than it should. When it does ignite, it burns through a lot of gas at once to make the booming sound. Professional cleaning should fix this issue.


Grinding sounds coming from your furnace are likely due to the air handler. Air handler motors contain lubricated bearings, designed to make the system run more smoothly. As the bearings wear down, the friction on the motor increases and generates that sound. If the bearings are not replaced, the air handler will eventually overheat and burn out.

Short Cycling

Short cycling is when the furnace turns on and off every few minutes. It’s a serious issue caused by the furnace continually overheating, usually due to a bad air handler or clogged filter. If not fixed, it can actually cause the entire system to break down. So, call for repairs immediately if you hear this happening.

PRK Services, Inc. offers comprehensive furnace repair services in Argyle, TX. Call today for an appointment.

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