Troubleshooting Failing Furnace

4 Sounds and Smells That Signal a Failing Furnace

December 26, 2020

You depend on your heating system to deliver warm air at a moment’s notice. Without constant warm air flowing through your home in Bozeman, MT, you risk feeling discomfort and distress. But if you hear these sounds or smell these odors, it’s a sign that you a failing furnace and should contact a professional heater repair company.

Screeching Sound

Do you hear a screeching sound coming from your heating system? It’s likely that your furnace has a slipped, loose or frayed blower belt. The other possible causes of the screeching could be dry shaft bearings that need oiling. To prevent further damage to your heater, schedule an inspection right away to resolve the problem.

Scraping Sound

In most cases, a metallic scraping sound indicates a severe problem. Therefore, you should turn off your furnace and request a repair immediately. The issue could be a damaged blower wheel, shaft detachment, broken motor mount or stressed belt. The best course of action is to have a professional visit your home to fix the furnace.

Rotten Egg Smell

If you walk by your furnace and notice the smell of rotten eggs, you have a serious problem and need to take immediate action. Turn your furnace off, open the windows and schedule an emergency repair. It’s likely that you have a broken heat exchanger, which can pump unsafe levels of carbon monoxide into your home that can put your health at risk.

Burning Smell

Do you smell something like burning plastic in your home? It could be that you have scorched electrical components or wires in your furnace. The other possibility is a bad fan motor, which could mean that you need a new furnace.

Don’t wait for your furnace to fix itself. Contact Comfort Systems of Montana for 24-hour emergency heating repair service. We’ll inspect your failing furnace and recommend the right solution for your situation and budget.

Image provided by Thinkstock

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