When a furnace has a broken part or is at the end of its lifespan, it may make loud noises like banging, thumping, squealing or rattling. Common causes of loud furnace noises in Ozark, MO, are dirty burners, failing motor belts or motors and dry bearings.

Dirty Burners

You may hear a loud bang every time the furnace turns on if the burners are dirty. Dirt in the burners hinders ignition and causes gas to build up. This buildup of gas causes a loud bang.Only licensed heating technicians can clean the burners to fix this problem. If you schedule preventive heating maintenance on an annual basis, you're unlikely to ever have problems from dirty burners. Technicians will clean the burners during your maintenance call.Other things you can do to prevent dirty burners are changing the air filter and vacuuming the vents monthly. These maintenance tasks reduce how much dust gets inside the system.

Failing Motor Belts or Motors

A squeaky or squealing sound from your furnace may indicate a frayed or loose motor belt. This is another problem you can prevent through scheduling annual heating maintenance. A maintenance call includes an inspection of the belts and other important parts of the system.Scraping noises from the furnace signal motor malfunction. You could have a broken motor wheel or a dislodged motor. Technicians licensed for heating repair in Ozark, MO, can diagnose and fix the problem.

Dry Bearings

Various moving components in your furnace need lubrication to function properly. Your furnace is more likely to experience problems beyond annoying noises when the bearings are dry.High-pitched furnace noises may mean your bearings are dry. You need to contact a heating company to inspect the furnace and fix the problem. During maintenance, technicians will lubricate dried-out parts to help prevent this problem, which is yet another reason why annual heating maintenance is important.Numerous problems can cause loud furnace noises with these three issues being some of the possible culprits. Contact Lorenz Plumbing Heating & Air Conditioning for a diagnosis of your heating system problems in Ozark, MO.Image provided by iStock

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