Cooling safety inspection and maintenance. Turned the thermostat to cooling then verified system operation, pulled out 90% dirty filter advised the client that the filter should be replaced more often which can cause prematurely equipment failure. Inspected the blower assembly, the evaporator coil and the uv light. Flushed the condensate drain line and cleaned the condenser coil, found clogged dryer vent and old rusty venting showed the client, the client wants to think about. Flushed the water heater and performed maintenance. Job complete