HVAC maintenance plan. Cleaned and serviced the furnace and AC condensing unit. Tested all mechanical parts. Replaced faulty ignitor and flame switch on the furnace. Tested gas valve voltage, blower motor amperage, and capacitor. The temperature rise test was within range. Checked gas pressure. Installed the furnace filter that the customer provided. AC maintenance. Cleaned and serviced condensing unit. Tested all mechanical parts. Replaced both capacitors due to being below acceptable levels. Also replaced contactor due to terminals being corroded. Both systems are working normally as they should be at this time.