Performed combo maintenance on a 2020 Lennox system. Heating sensors and switches were cleaned and tested. Filter was very dirty and changed today. Condensate lines are clear. Combustion blower and primary blower are clean and amping in range. Heating temperature rise is good at 34 degrees. Outdoor unit was deep cleaned. Outdoor components are reading in range. Refrigerant levels are good. Service panel and compressor bay cleaned. Electrical protection was installed to the condenser and furnace. System is operational at end of appointment.