performed a clean and check on air conditioning unit. Conducted a temp drop tested all electrical components including contactor and capacitor. Capacitor was a older and rusted but customer will wait to replace. Checked the charge on the unit and cleaned the coil. Cycled system in cool and everything is in working operations right now. Also performed a clean and check on gas furnace. Conducted a temp rise. Performed a combustion analysis. Tested and checked all electrical components and safety devices. Checked the blower assembly for loose bearings and cleaned the flame sensor. Cycled system in heat and everything is in working operations right now.