Upon arrival performed maintenance on 1 year old Lennox system. Checked refrigerant levels and washed outdoor coils. Coils had a lot of dirt and debree build up. Checked primary and secondary motor control. System does not have any protection from power surges. INdoor blower wheel is dirty and has a lot of build up. Circuit board and electrical connections good. Coil and ducting is in good condtion. System was reset tested and fully functional.