Performed comprehensive repair and maintenance on a Lennox Elite Series XC20 AC unit. Addressed a refrigerant leak and recharged the system with R-410A. Replaced a faulty capacitor and cleaned the condenser and evaporator coils to enhance efficiency. Checked all electrical connections and ensured the thermostat was functioning correctly. Regular maintenance helps prevent breakdowns and extends the lifespan of your AC unit. For expert AC repair and maintenance, contact us for professional and reliable HVAC services.