Performed preventative maintenance on a Lennox AC system. Model number: XC13N030-230-03. Serial number: 5817J09182. Upon arrival the system was off. Turned the system on at the thermostat. Went to the unit and watched it run. Turned the unit off at the switch. Removed the panel to the evaporator coil. Inspected the coils for any dust build up. Poured water into the condensate trap and watched it drain properly. Poured water into the condensate pump and watched it pump out properly. Removed the panel to the furnace. Checked the electrical connections to make sure they were properly secure. Checked the blower motor and fan for any dust build up. Replaced the 16x25x1 filter. Took an amp draw for the blower motor. Running within the manufacture’s specs. Placed the panels back on the unit and watched it run. Went outside to the condenser and watched it run. Checked the coils for any dirt build up. Removed the panel and brushed out any spiderwebs. Checked the contactor and capacitor. Both ar