No cool main level air conditioning system in Duluth. Find Trane system tripped breaker due to stress compressor and weak starter. Find 26 year old Trane system with burnt and damage wire and connector. Repair wire for customer, replace starter kit and capacitor. Find upstairs 14 year Trane system with weak starter kit and damage line wire and burnt capacitor wire. Replace starter kit and repair burnt wire for customer. Find office 3 year old Amana system operating within manufacturer spec. Replace media filter 16x25x5 and APCO UV bulb. Clean both Tran electric air cleaner. All 3 system operating at this time. Sign 3 CCI plan and complete 3 cooling pm check. Customer have $50 off discount