Your commercial refrigerator should run quietly and efficiently in the background. So when you start hearing strange sounds—buzzing, rattling, or clicking—it’s a sign that something may not be working correctly. Ignoring these noises could lead to expensive repairs or even product loss.
At Buffo’s Refrigeration, we help Nevada businesses identify and resolve these issues before they become serious. Understanding what each noise might mean can help you act quickly and protect your equipment.
Humming or Buzzing Sounds
A steady humming sound is normal when your refrigerator’s compressor is running. However, if the humming becomes unusually loud or constant, it could indicate that the compressor is struggling or that the condenser coils are dirty.
Cleaning the coils and checking the fan motor can often fix the problem. If the noise persists, it’s best to schedule a professional inspection.
Clicking or Tapping
Clicking noises usually occur when the compressor tries to start but fails repeatedly. This could mean a failing start relay, faulty control board, or electrical issue.
If you hear frequent clicking, unplug the unit and contact a commercial refrigeration repair technician. Continuing to run the system could cause further damage to the compressor.
Rattling or Vibrating
Rattling sounds often come from loose panels, unsecured condenser fans, or components that have shifted slightly out of place. In walk-in coolers, shelving or door hardware can also cause vibration noises.
Tightening any loose screws or panels can sometimes solve the problem. If the rattling continues, the fan blades or motor mounts may need professional adjustment or replacement.
Gurgling or Hissing
Gurgling and hissing noises often occur as refrigerant flows through the system. A faint sound is normal, but loud or persistent gurgling could point to a refrigerant imbalance or possible leak.
Because refrigerant must be handled by certified technicians, you should call Buffo’s Refrigeration to inspect the system safely and correct the issue.
Squealing or Screeching
A squealing noise usually indicates a worn or dry fan motor bearing. If left unaddressed, it can lead to motor failure and airflow problems.
Shutting the unit down temporarily and calling for professional service will prevent more extensive damage.
Knocking or Banging
Knocking noises often come from the compressor or condenser fan blades hitting an obstruction. Occasionally, it can also indicate compressor wear.
Check for loose debris or bent fan blades first. If nothing appears out of place, contact a technician to evaluate the compressor’s internal components.
When to Call a Professional
Not every noise means an immediate breakdown, but unusual sounds rarely disappear on their own. Continuous or worsening noises usually signal mechanical wear, airflow restriction, or electrical problems.
Professional inspection ensures the issue is diagnosed accurately and fixed before a small repair becomes a major expense. At Buffo’s Refrigeration, our technicians are trained to pinpoint the source of strange sounds quickly, perform precise repairs, and restore quiet, reliable performance.
Preventing Noisy Operation
Regular maintenance is the best way to prevent unusual sounds. Monthly cleaning, routine checks of door seals, and scheduled professional tune-ups all help reduce strain on moving parts. Preventative service keeps motors lubricated, fans balanced, and compressors operating efficiently.
By catching issues early, you protect your investment and maintain consistent cooling for your business.
Partner with Buffo’s Refrigeration for Reliable Service
For more than 20 years, Buffo’s Refrigeration has provided expert service for walk-in cooler repair, walk-in freezer maintenance, and commercial refrigeration repair throughout Nevada. We’re committed to keeping your refrigeration systems efficient, quiet, and dependable year-round.
Schedule Service Today
If your commercial refrigerator is making strange noises, don’t ignore them. Contact Buffo’s Refrigeration today to schedule a service visit or request a free consultation. We proudly serve Nevada and nearby areas with trusted, professional refrigeration solutions.
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