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During winter, the furnace is one of the most common heating systems used in homes. Though it provides warmth and comfort, sometimes a furnace might produce an unpleasant smell. When your furnace smells like burning, it can be a sign that there is something wrong. In this article, we will explore the possible reasons why your furnace smells like burning and what you can do to fix it. We will also provide tips on keeping your furnace running smoothly and preventing any future problems.

 

Dust and Bacteria Buildup

One of the most common reasons for a furnace to smell like burning is dust and bacteria buildup. Over time, these particles can accumulate on the furnace’s heating elements. When you turn on the furnace, the heat from the elements will cause the dust and bacteria to burn, causing that burning smell. You must clean the furnace’s heating elements to eliminate the odour.

 

Clogged Air Filter

Another common reason for a furnace to smell like burning is dirty filters. The furnace’s filters are responsible for trapping dirt, dust, and other particles from entering the home. However, over time, these filters can become clogged with debris. When this happens, the furnace has to work harder to push air through the filters. It can cause the furnace to overheat, leading to a burning smell. You will need to clean or replace your furnace’s filters to eliminate the odour.

 

Electrical Burning

A furnace often shuts off by itself when it begins to overheat. If it doesn’t, this indicates that the safety feature on the device is malfunctioning, and you should have it replaced immediately. You and your family are in danger of an electrical fire if this safety feature isn’t operating. If you smell electricity burning from your vents, have an expert technician look for burning electronic parts.

 

Burning Oil Smell

An oxidized scent of burning oil from oil furnaces may permeate the home. Prevent your furnace from overheating in this situation by changing the oil filter. If you have replaced it and the scent still exists, get in touch with heating experts so they can identify and fix the problem. Avoid switching off the furnace until all repairs have been made; otherwise, it risks catching fire.

 

Gas Leak

If you smell gas, it could signify a furnace leak. One furnace smell that could also cause alarm is the smell of gunpowder. It could indicate that there is a gas leak in your furnace.

 

You should immediately shut off the furnace and open all the doors and windows to ventilate the area. Then, call your gas company to come and check for leaks. Do not turn on any lights or appliances, as this could cause a spark and start a fire.

 

Conclusion

If your furnace smells like burning, it can be a sign that there is something wrong. Dust and bacteria buildup, clogged air filters, electrical burning, and gas leaks are all possible causes. You will need to clean or replace the furnace’s heating elements, filters, or electronic parts to eliminate the smell. You should immediately shut off the furnace and call your gas company if you smell gas. It is always best to consult a furnace expert to diagnose and fix the problem.

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