No cool in Grayson, arrived on site, found 2005 unit with clogged filter, corroded evaporator coil, weak blower motor capacitor, over amping and dirty blower motor assembly, only one form of water safty, condenser coil is clogged, weak duel run capacitor and over amping compressor and fan motors. Recommend replacing all capacitors, installing compressor assist kit to prolong the life of the compressor, surge protector to each piece of equipment, overflow water safty switch and signing up for maintenance to clear the drain line and clean the condenser coil. Replaced capacitors and installed compressor assist kit. Unit is operating normally at this time