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Five Furnace Noises You Need to Understand
When your furnace is running smoothly, you may grow used to its comforting, low hum. A furnace that’s working properly doesn’t call attention to itself, but a furnace with a problem can squeal, chirp, boom, and rattle.
When your furnace makes odd noises, it’s telling you something is wrong—don’t ignore it!
Here are some common indicators that you need to call your local HVAC contractor for assistance:
Screeching or Squealing
High-pitched screeching is often caused by a loose or damaged blower belt or a malfunctioning blower motor. A technician will need to adjust or replace the belt or motor.
Chirping
Chirping sounds can happen at the beginning of the cold season and may not be an issue. Wait a while, and if the chirping doesn’t subside, it could be caused by a faulty fan belt. Routine maintenance is necessary.
Booming
A loud boom or bang can be an indication of a delayed gas ignition. This happens when gas in the furnace builds up rather than igniting immediately. When the gas finally ignites, it causes a small explosion! Delayed gas ignition can damage your furnace—call a technician.
Rattling
Rattling can indicate that panels or components are loose within your furnace or that parts of the motor or fan are wearing out. If the rattling continues and worsens, your furnace is telling you that needs attention—now! Call your local HVAC contractor for routine service before you’re left without heat.
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Stack Heating, Cooling & Electric has been serving the greater Cleveland area since 1976. We value our customer relationships and look forward to working with you! Give us a call today to schedule your appointment with a professional local electrician or HVAC contractor.
Founded in 1976, Stack Heating, Cooling, Plumbing & Electric has been a trusted provider of home comfort solutions in Northeast Ohio for decades. What began as a family-run business specializing in steam and hot water heating has expanded into a full-service company offering expert HVAC, electrical, and plumbing services.
Committed to quality, innovation, and customer satisfaction, Stack operates from its state-of-the-art facility in Avon, where ongoing technician training ensures top-tier service. With a reputation for reliability and expertise, Stack continues to provide homeowners with efficient, high-quality solutions to keep their homes comfortable year-round.
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