Lennox Comfort Club Furnace And AC Maintenance Cleaned and inspected furnace cabinet. Inspected all electrical components. Found no issues. Preformed combustion analysis. Found normal issues. Inspected and cleaned drainage system. Furnace is working and heating well. No issues found. Replaced filter media. Cleaned and inspected condenser unit. Inspected all electrical components. No issues found. Refrigerant levels were within rated values. System is cooling well. No issues found. Overall system is in good condition with no cause for concerns.