Air Conditioning service. Diagnose, clean and performed annual AC maintenance and tune-up for service plan on Heil Cooling System. Cleaned condenser coil on outdoor air conditioner unit, check Freon pressures, cleared drain lines, oiled necessary moving parts, on 5 year old central HVAC system with R-410a. Heating and cooling maintenance complete which will help lower cooling cost for this residential customer. Cooling system is now ready for spring and summer weather.