Furnaces tend to make some noise when they turn on and off, but if those noises start to get progressively louder, it may be time to replace your unit. These sounds may come in the form of popping, banging, humming, or screeching. This could be a telltale sign that you may need to replace a […]

Furnaces tend to make some noise when they turn on and off, but if those noises start to get progressively louder, it may be time to replace your unit. These sounds may come in the form of popping, banging, humming, or screeching. This could be a telltale sign that you may need to replace a furnace or some parts within the furnace. The reason for some of these sounds could be:

 

  • Rattling: Unsecured ductwork, loose screws or sheet metal can be the cause of this sound. It may also mean the lower motor is not properly balanced.
  • Popping: This sound can happen when parts within your furnace warm and cool in response to temperature changes within your system.
  • Humming: Your fan motor may produce electrical humming sounds, but the fan should never be loud or disruptive. If it is, your inducer motor or blower fan motor could be starting to fail.
  • Screeching or Squealing: These noises are a sign there is an overall issue with your blower motor or inducer motor. Possible issues could be a loose bearing, deteriorating belt, or an issue with the pulley that holds the belt.
  • If you have any questions or concerns regarding any of your plumbing or HVAC needs call Green Apple toll-free at 888-315-5564
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