Technician arrived to home, handed home questioner and started in furnace on attic. Technician changed filter, blower wheel looked clean, plenums in good condition, insulation level r30, drain lines have slight buildup mentioned to homeowner, electrical readings in range aswell as wires in good condition. Technician moved to condenser unit, washed coils in and out and waxed units shell. Refrigerant levels In range, capacitor in range, unit did have a compressor saver, contactor in good condition. Overall system cooling and heating efficiently.