Performed routine furnace tune-up on Bryant system. Conducted comprehensive inspection including heat exchanger evaluation, combustion analysis, gas pressure verification (HI/LO stage), flame sensor and burner examination, and blower motor assessment. System operating normally with no immediate concerns identified. Cleaned pressure switch and confirmed proper thermostat operation. Air filter in moderate condition. Documented system components with photos of main humidifier unit, ductwork, and associated electrical connections.