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Troubleshooting a Noisy Furnace: Causes and Solutions

By April 12, 2023April 29th, 202352 Comments

A noisy furnace could be caused by various issues, such as loose components, worn-out parts, or a malfunctioning blower motor. To fix it, you should first identify the source of the noise and then address the underlying problem. It’s recommended to hire a professional HVAC technician to inspect and repair your furnace for optimal safety and efficiency. Here are a few things you can do to determine the problem.

  1. Check the air filter: A clogged air filter can cause the furnace to work harder than it should, resulting in increased noise. Replace the filter if it’s dirty.
  2. Tighten loose parts: Check if any screws or bolts are loose and tighten them.
  3. Lubricate moving parts: If the furnace’s blower motor or other moving parts are making noise, they may need lubrication. Use a lubricant recommended by the manufacturer.
  4. Check the ductwork: Inspect the ductwork for any leaks or blockages that could be causing noise. Repair or replace as necessary.
  5. Call a professional: If the above steps don’t solve the problem, it’s best to call a qualified technician to inspect and repair the furnace.

Remember, safety is crucial when dealing with furnace issues. If you’re not sure what to do, talk to a licensed professional at Seattle Heating & Cooling. Give us a call at 206-848-8080 to speak with an HVAC specialist.


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