Completion Notes - Maintenance 1.0 $0.00 $0.00 Arrived on site for maintenance. Customer led me to air handler that is upstairs inside of a bedroom closet. Customer led me to three thermostats one downstairs which is a remote control and two thermostats on the wall upstairs. Turned Unit on on all thermostats and the temperature down. Change the filters of the unit one in a return register downstairs and one on the beginning of the stairs in the ceiling. Watch the unit with just water. Open the panel for the line set and cleared it out. Check the temperature difference inside the house and the temperature difference was 18°. Customer acknowledge you update information of the unit and signed off.