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noises

Your Marietta, Georgia, home has dozens of noises you’re likely accustomed to hearing. While you may tune out the sound of your ice machine churning away, or a familiar tree scraping the window, other household sounds are sure to catch your attention. If you notice odd furnace sounds, such as clanging, squealing, or chirping, take action to prevent major damage to your system or negatively affect your home’s indoor air quality.

Screeching or Chirping

These noises typically come from the furnace itself and signal the need for a professional repair. Motor problems generally cause the screeching noises.

Squeaking or chirping sounds usually result from an out-of-alignment fan or blower wheel. Ignoring problems in these areas could lead to an expensive system replacement later. When you contact one of our HVAC service technicians early, your furnace may only need a minor repair.

Clanging

Clanging noises are often connected with the furnace, typically occurring shortly after the system turns off. However, the furnace pipes, not the furnace itself, is likely the noise source.

After the furnace turns off, the pipes will rattle as they cool. If you’re positive that the clanging is coming from the furnace, contact one of our technicians to figure out whether the system has loose parts.

Squealing

Like your car, your furnace also has motor belts. If you’ve ever had a squeaky belt in your car, you’ll recognize this sound immediately.

A squealing sound coming from your furnace can signal your system needs a new belt. Regular maintenance will often help you head off belt troubles before they reach this point.

Bumping or Thwapping

A rhythmic bump or thwap-thwap-thwap sound from your furnace likely mean the blower blades have caught some debris. Although tempting, you shouldn’t repair this issue yourself. Contact one of our service technicians to help you figure out what’s causing this sound in your system.

If you’re having trouble with your furnace, call E. Smith Heating & Air Conditioning at 678-369-8866. One of our service professionals can help you diagnose any issue quickly.

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