Performed cooling tune up. Checked all major components and system operation. Flushed drain line. Cleaned condenser coil. Replaced filter with one provided by customer. Found gas leak at furnace gas valve, repaired it and checked with soap bubbles to verify there are no more leaks. Applied Teflon treatment to blower and evaporator coil. Installed EZ trap water safety system. The system is operating properly at this time.