Performed preventative maintenance on a Lennox AC system. Model number: XC13-042-230- 04. Serial number: 5810J05092. Upon arrival the unit was off at the thermostat. I turned the system on and went downstairs and watched it run. I 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 panels to the furnace. Checked all electrical connections to make sure they were properly secure. Checked the blower motor and fan for any dust build up. Checked the capacitor for the blower motor. Running within manufacture’s specs. Filter is still good for a couple more months. Took an amp draw for the 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 u