Common HVAC Noises: What You Need to Know

Blog Highlights:

  • If your HVAC system starts to make loud noises, this might be an indication of a problem
  • Clanking and loose parts can lead to bigger issues and costly damage if left unaddressed
  • If you notice a persistent hissing noise your HVAC system probably has a leak

Blog Highlights:

  • If your HVAC system starts to make loud noises, this might be an indication of a problem
  • Clanking and loose parts can lead to bigger issues and costly damage if left unaddressed
  • If you notice a persistent hissing noise your HVAC system probably has a leak
Salt Lake City AC Repair Technician

Blog Highlights:

  • If your HVAC system starts to make loud noises, this might be an indication of a problem
  • Clanking and loose parts can lead to bigger issues and costly damage if left unaddressed
  • If you notice a persistent hissing noise your HVAC system probably has a leak

A properly operating HVAC system will make some noises. A quiet humming or the sound of air through the vents is to be expected. However, if your HVAC system starts to make loud noises, such as clanking, hissing, or rattling, this might be an indication of a problem. Even if it isn’t a symptom of a big issue, it can become disruptive and annoying especially on top of all the other nosies in Salt Lake City and Park City.

Clanking

An HVAC system will make some noise, but if you start to hear any unusual clanking this is more than likely a sign that something is wrong. In most cases, it signifies that some part or parts are loose. The blower motor fan could have been knocked out of position, blades may have become loose, or some pipe or other mechanism may be out of position.

In the case of clanking, it is important that you turn off your system and contact an HVAC technician immediately. Clanking and loose parts can lead to bigger issues and costly damage if left unaddressed.

Hissing

If you notice a persistent hissing noise your HVAC system probably has a leak. Air is escaping from somewhere. The hissing may come from behind the walls, which indicates there is a leak in your ducts. Annoying, inefficient, and a drain on money, it is important to have a professional take a look for a final diagnosis.

Occasionally, you may hear a a soft, lighter hissing noise. This type of hissing might indicate that your filter was installed incorrectly or is the wrong size. Check your filter to make sure there are no gaps between it and the HVAC system so that air can’t escape around the edges. If the hissing stops, you’ve fixed the problem; if not, schedule an appointment with your HVAC technician.

Rattling

Rattling can be hard to decipher and could be an indication of several things. If the rattling seems to be coming from the internal part of the system, the furnace or other components in your home, turn the system off and contact your HVAC technician as soon as possible.

If you notice rattling coming from the outdoor unit, it is likely that some kind of debris has fallen through the grate and is stuck within the unit. In this case, turn off the power to the system and remove the debris. Call your HVAC technician if you notice any damage caused by the debris.

If in any doubt, it is always best to call a professional HVAC technician. Listen to your HVAC system, it may be trying to tell you that it needs help. HVAC systems need to be taken care of regularly and properly maintained in order to work efficiently and save you money in the long run.

Hearing an unusual sound coming from your HVAC system? We at Tingey will identify the problem and make sure your system is running smoothly. Call us today!

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