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Shafer Heating & Cooling, LLC Blog

A Booming Furnace Is a Bad Sign

Your furnace might make a minor sound here or there as a part of regular operation. But a loud and sudden booming sound should be a major red flag that something is wrong inside your furnace. The longer the sound continues, the worse the damage to your system will be.

If you’re looking for an expert in furnaces in Hillsboro, you’ve reached the right place. Our team can help with your furnace problems, big or small. And when it comes to a booming sound, that’s a big problem. You can keep reading to learn more about why a booming sound from your furnace is dangerous and what we can do about it.

Why is My Furnace Booming?

If you have a gas furnace, there is a combustion chamber where gas releases and a flame ignites to create heat. This is a very precise process that has to happen with measured and controlled actions. If too much gas releases into the chamber or the flame ignites at the wrong time, it can result in a small explosion inside of the chamber. Too much gas means more pressure and an explosion puts a lot of strain on all of the related components.

Risks of Furnace Booming

The first time you hear a booming sound you need to call and schedule service for your furnace. A small explosion happening inside of your heater is bad even just one time. But if it happens continually it can crack your heat exchanger and allow gas to leak out into your home. You may not even realize there is a problem right away.

Aside from health concerns and fire hazards, this is also a problem because your heat exchanger cannot be repaired. Once your heat exchanger develops a crack – even a very tiny one – it has to be completely replaced, which means replacing your entire heating system.

Since gas is odorless you have to pay attention to other signs of an issue. Sometimes a cracked heat exchanger can allow exhaust air to leak out too, and that does have an odor. Check your furnace monthly and look for anything out of the ordinary like signs of damage.

Prevent a Cracked Heat Exchanger

The best way to keep your furnace working at its best so you don’t face any unusual problems is regular maintenance. This includes both homeowner and professional maintenance. You have tasks to complete on your own, including changing out the air filter, checking the outside exhaust, and generally paying attention to any unusual changes in operation. 

But it’s also good to have our team look at your furnace once each year to identify the early signs of problems so that we can address them and prevent a cracked heater and other major issues. If you haven’t already scheduled heater maintenance yet this year, now is a great time. 

Shafer Heating & Cooling, LLC: You are just one call away from the comfort and savings you deserve!

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