Today, I arrived on site to perform a tune-up on the HVAC system. Overall Equipment Condition: * Condition rated as fair. Indoor Unit Details: * Located in the closet. * Serves the whole home. * Antimicrobial filter replaced today, size 20x20. Indoor Coil Condition: * Rated as fair. Outdoor Unit Details: * Located in the back yard. * Outdoor coil condition rated as fair. Electrical Component Testing: * Blower Motor, Blower Run Capacitor, Compressor, Compressor Run Capacitor, Fan Run Capacitor, Contactor, and Electrical Wiring tested and working properly within manufacturer specs. Component Inspections: * Blower Wheel, Primary Drain Pan, and Electrical Wires secured in good condition. * No components found in poor condition. Additional Testing: * No carbon monoxide detected. Temperature Readings: * Return Air Temperature: 77.0°F. * Supply Air Temperature: 52.1°F. Condensate Drain System Maintenance: * Cleared drain line. * Cleaned out primary pan. * Tested safety switch. Addit