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The occasional ding, squeak, bump or pop emerging from your furnace or ductwork isn’t a big deal. But if your furnace is making regular or recurrent noises, and if those noises appear to be getting worse over time, it could be a real cause for concern.
There are three sounds in particular that you should watch out for, and if you’ve been hearing any of these you should have your HVAC system inspected for damage as rapidly as possible …
If you hear scraping, screeching sounds of metal-on-metal it’s possible something has happened to the blower wheel, such as:
Blower wheel problems are nothing to fool around with. If you hear persistent metal scaping sounds, you should shut off the furnace immediately and call in a repair professional right away.
Banging noises have two possible sources, the second of which is far more serious than the first:
Loud banging noises shouldn’t be ignored, and if you hear them you should cross your fingers and hope it’s just the ductwork.
There are three likely explanations for a squealing, whining furnace:
Squealing issues might not be as urgent as some others, but they will get worse if you don’t take steps to address them quickly.
If you arrange for an annual fall inspection of your heating system, a certified HVAC technician should be able to detect developing problems before they get out of control.
At ABE Heating and Cooling we are strong advocates of preventive medicine, and if you request a maintenance and inspection visit from us you can rest assured we’ll cover everything from top to bottom, leaving no stone unturned in our efforts to sniff out potential trouble.