Air conditioner maintenance service call. I cleaned, washed out, and serviced condensing unit. Tested capacitor, contactor, fan motor amperage,and compressor amperage.everything was in accurate working condition. Checked R410a refrigerant. Refrigerant was 1~1\2 lbs low. Added refrigerant and leak sealant to system. System is 6years old. * Performed free inspection. Tested sump battery and battery is in good health. Giving customer estimate for new water heater. Hot water heater is 8yrs old.