Complete 1 system a/c repair and preventative maintenance check. Checked electrical, mechanical components, dusted electrical cabinet, chemical washed unit, changed filter, cleared drain line. Found dirty blower wheel recommend to pull and clean. Found dirty evaporator coil recommends cleaning. Found a growth in the system recommend adding pureairx to improve indoor air quality. Recommend adding start assist kit to the outdoor unit. The system is operating and cooling at this time.