#1 in Irmo
Carrillo Heating & Air LLC
Irmo, SC
(803) 606-1297
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Rattling is often loose panels or debris, squealing can be a belt or motor bearing, and banging may be a duct or blower issue. Unusual noises are worth a call.
If it's loud, new, or getting worse, shut it down and call. Running a failing component can turn a small fix into a big one.
Often, yes — loose parts and dirty blower wheels are routine tune-up findings. If the noise is from a motor, it may need replacement.
Treat it like a warning light. A quick service call now is cheaper than a dead compressor later.