With many complex systems, one of the first clues when something goes wrong is that the sound the system makes has changed. If you’ve ever noticed a click, clunk, or rattle when you’re driving your car that it never made before, you understand what we’re talking about. Air conditioners do the same thing. When issues develop, more often than not, they cause the AC unit to make surprising noises. How can you tell what the noises mean? Read on, and we’ll tell you.
