No cool in loganville. Check and find system freezing up due to low charge. Find 24 year old Trane air conditioner unit. Find system have small leak at evaporator coil in crawlspace. Find gas furnace operating with high co level. Sign 1 cci plan and complete heating pm check. Change filter. Recharge ac unit with R22 and replace APCO UV Bulb. Customer want to wait on combustion calibration service to help reduce co levels.