2 system ac tune up complete. Changed upstairs filter. Found upstairs drain line clogged. We will come back to re route drain line for $325. Found main level blower motor controller running weak, recommend repair. Found blower wheel to be dirty, recommend cleaning. Upstairs condenser has a performance enhancement kit that isn't operating within manufacturer specs, recommend replacing performance enhancement system. Chemically washed condenser coils and applied rust proof waxing. systems operating at this time. Customer upgraded tune up to a 2 system maintenance plan.