HVAC Repair near Spruce St. I was called to a commercial building where the occupants were complaining about a noisy HVAC system. After inspecting the unit, I found that the blower wheel was out of balance and needed to be adjusted. I also found that the belts were worn and needed to be replaced. I adjusted the blower wheel and replaced the belts with new ones. I tested the system to ensure it was working quietly and efficiently. The occupants were satisfied with my work and thanked me for resolving the issue.