Concerns of lights dimming and brightening and HVAC system not working. Identified power issues from utility. Initial observations: Meter display was blank. Phase A to Neutral feeder was 124 Volts. Phase B to Neutral feeder was 67 Volts. Phase A to Phase B was 127 Volts. After a few minutes, the readings became closer to normal. 123 and 119 from phases to neutral and 242 across phases. This reading only lasted a few minutes, then read 123 volts from phase A to neutral and 0 volts from phase B to neutral. Called power company to open a fault ticket. Homeowner decided to have power company to diagnose power feeder issue. No sparking: arcing, or overheating is observed at this time. Left both air handler breakers and breaker to AC in the OFF position.