Called Aire Serv today after an issue with the AC not cooling.
Clayton stopped by an hour after my call and checked the system top to bottom. Told me what the cause was, and verified the system was in good working order. The price was very reasonable and service was quick and professional.
It ended up being my fault all along (change your air filters folks), but Clayton was happy to share his knowledge. Next time I need HVAC service, I'll give Aire Serv a call.