
5 Sounds Your HVAC System Should Never Make
You probably recognize the typical low, blowing sounds your HVAC system makes. However, sometimes, it can make irregular sounds. When it makes a sound you haven't heard before or that doesn't seem quite right, you may choose to ignore it, perhaps thinking it will eventually go away. But this could be a big mistake. There are at least five kinds of sounds your heating and air conditioning system could make that indicate serious problems that you must not ignore:
Rattling
The most common reason for rattling is a loose nut, bolt or piece of wiring. It could also mean a buildup of twigs, leaves, or other debris in the outside unit. However, it could be a more serious problem. For example, the motor bearings might be going out. If you can't find the problem yourself after a quick examination, it's time to call for professional diagnosis and service.
Banging
You should call an air conditioning mainte...
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