My air conditioner seems to be making more noise than usual

I have always been sensitive to excess noise.

I was raised in the back country and never experienced proper noise pollution until visiting Tampa, Florida for the first time at eight years old.

I remember hearing the vast array of street noises like different instruments playing harmoniously together in a symphony. Only this wasn’t harmony of any kind and instead sounded like a chorus of dissonant clamor. The sirens from police and EMTs, the shouting from every direction, and the car horns and brake noises—it all overwhelmed my young mind. I have had years to adjust which has helped tremendously, but I still have problems with sound from time to time regardless of my environment. Recently, I am having concerns with the noises coming from my central air conditioner. Typically the only sounds I ever heard it make are the gentle gusts of air the billow out the air vents whenever the machine starts to cycle. But now I’m hearing a mix of ringing and scraping noises whenever the machine runs for its full cycle. I have read through troves of DIY information on the internet, and despite having a general understanding of the problem, I just don’t trust myself with working on my heating and cooling system. Instead, I’m going to make use of my maintenance contract with my HVAC supplier. I just need to call their office to schedule an appointment. Once the appointment is scheduled, a technician typically swings by in just 1-3 business days. Sometimes if I’m lucky they arrive the very same day I call. Before I had a maintenance contract, the same service call took at least twice as long to fulfill.
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