AC Systems. x2) furnaces units W/ Evap coils. x2) condenser units. Today, I arrived on site to perform an A/C systems tune-up and cleaning. Here's what I did: Checked the blower motor and thermostats for proper operation-okay. Air filter: replaced. x2) 12x12x1 x2) 14x24x1 Checked and cleaned the exterior jacket and interior cabinet-okay. Found the blower wheel-okay. Checked the ductwork-okay Washed and cleaned the indoor Evap coil. Checked and cleaned condensate pump and drain line, treating it with anti-algae. Monitored the refrigerant operating pressures-okay. The refrigerant type are 2x) R410A. Inspected the safety devices and found them to be operating properly. Inspected the electrical disconnect box for safe installation-okay. Inspected and tightened electrical wiring connections-okay. Tested and inspected the contact, which is not burned Inspected the electrical for exposed wiring-okay Inspected and tested the capacitors-okay. Inspected the fan blade-okay. Cleaned the condenser