
A quiet HVAC system is a healthy HVAC system. While some noises—like the sound of air moving through ducts or the furnace cycling on and off—are normal, certain sounds can signal a serious issue with your heating system. Ignoring these warning signs could lead to costly repairs, inefficient heating, or even dangerous carbon monoxide leaks.
If you hear any of the following sounds coming from your furnace or heating system, it may be time to call RJW Air Conditioning for expert heating repair services in Fayetteville, AR, and beyond.
Clicking: A Dangerous Warning Sign
If you notice persistent clicking noises coming from your furnace, it could indicate a cracked heat exchanger. This is a serious problem because a damaged heat exchanger can leak carbon monoxide into your home—a colorless, odorless gas that can be deadly.
What to do: If your furnace is clicking excessively, turn off your heating system and call a professional immediately to inspect your heat exchanger.
Rattling: Loose Parts or Carbon Monoxide Risk
A rattling sound might be as simple as a loose control board or a few screws that need tightening. However, in some cases, it can also indicate a damaged heat exchanger, which, again, puts your household at risk for carbon monoxide exposure.
What to do: If you hear rattling and aren’t sure of the cause, schedule a professional heating inspection to ensure your system is safe and efficient.
Clanking: Metal-on-Metal Damage
A clanking sound—like metal hitting metal—could point to an issue with your furnace’s fan wheel. If the fan wheel is misaligned or broken, it can lead to severe system damage, requiring expensive repairs or even a full heating system replacement.
What to do: Shut off your heating system and call an HVAC technician to diagnose and repair the issue before it gets worse.
Screeching: Blower Motor Issues
A high-pitched screeching or squealing sound usually means there’s a problem with the blower motor. This can be due to a failing motor bearing or a worn-out belt, preventing warm air from properly circulating throughout your home.
What to do: If your heating system is screeching, don’t wait—contact an HVAC expert to prevent a total system breakdown.
Booming: A Gas Ignition Problem
A loud boom or bang when your furnace starts up is often caused by delayed gas ignition. When gas builds up before igniting, it can create a small explosion inside your furnace. Over time, this can crack your heat exchanger, increasing the risk of carbon monoxide leaks.
What to do: If your furnace makes a booming noise, turn it off and call a professional right away. Regular maintenance can help prevent this issue by keeping your burners clean and functioning safely.
Why You Shouldn’t Ignore Unusual Furnace Noises
Strange sounds from your heating system are often early warning signs of bigger problems. Addressing them quickly can:
Prevent expensive repairs
Improve energy efficiency
Extend the lifespan of your furnace
Keep your home safe from carbon monoxide leaks
At RJW Air Conditioning, we specialize in expert heating repair, furnace maintenance, and emergency HVAC services in Fayetteville and surrounding areas. If your heating system is making unusual noises, don’t wait until it breaks down—contact us today for a thorough inspection and professional repairs.
Stay warm and stay safe with RJW Air Conditioning!
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