Washed condenser coil Checked all electrical connections and safeties Wiped down all indoor heads Blew out drain lines and poured water to ensure proper draining Tested all heads in high heat and cool Checked volts and amps Visually inspected evap coils, blower compartments and filters Washed all filters with water. All heads were putting out 115-121 degree air in high heat mode and were putting out 45-50 degree air in high cool mode. Unit are operating properly Recommend getting all blower wheels cleaned due to dirt and dust buildup beginning to accumulate.