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Direct Answer

If your garage heater is making banging or rattling noises, it could be due to a loose or damaged component, improper installation, or a malfunctioning thermostat.

Likely Causes

Some common causes of these noises include a dirty or clogged air filter, a faulty ignition system, or a worn-out fan motor.

Safe Checks

Before calling a technician, check the air filter and ensure it’s clean, and verify that the thermostat is functioning correctly.

Danger Signs

If you notice any signs of overheating, such as a burning smell or melted wiring, shut off the heater immediately and contact a licensed professional.

When to Call a Technician

If the noise persists after checking the air filter and thermostat, or if you’re unsure about the cause, it’s best to consult a licensed technician to diagnose and repair the issue.

Prevention

To prevent future issues, schedule regular maintenance with a licensed technician and ensure proper installation of your garage heater.

Final Takeaway

Remember, safety should always be your top priority when dealing with heating systems, so if in doubt, always err on the side of caution and seek professional help.