HVAC Repair Service: A troubled homeowner reached out concerning an uncommon noise from their HVAC system. To diagnose this issue, I conducted a thorough system evaluation. During the inspection, I determined that the source of the noise was a worn-out blower belt. I replaced the worn belt with a new one, and after the replacement, I confirmed that the HVAC system was running smoothly and quietly, effectively resolving the noise problem while ensuring optimal performance. Following the system's confirmation of top-notch performance, I explained to the homeowner the benefits of our maintenance plans to maintain this level of excellence.