AC precision tune up. Clean and tune up AC; cleaned condenser coil, checked all outdoor electrical components, tested indoor air flow, checked refrigerant levels, and tested overall AC operation. Installed Diamond screen to prevent small animals from getting into the exhaust pvc pipe and damaging the furnace and Surge protector to prevent power surge and damage the electrical components. Homeowner’s membership ended last month; signed up for the annual membership today. Recommended locking cap to meet Minnesota code, Drain pan treatment to prevent biological growth and help keep the drain line clear, Start assist kit to provide a boost in power when the ac starts up and help extend the life of the compressor and motor starter due to part being pitted and burnt. Recommended new AC system due to age and condition.