MAINTENANCE TUNE-UP FOR A/C UNIT, 12 YR, 2YR. CHECK THERMOSTAT, AIRFLOW, AIR FILTER, DRAINAGE, ENERGY CONSUMPTION, COMPRESSOR DELAY SAFETY CONTROLS, VOLTAGE AND AMPERAGE ON MOTORS, AND ALL ELECTRICAL CONNECTIONS. INSTALLED3.5 HP/PREM ADC AND TANKLESS WATER HEATER. MADE SURE EQUIPMENT WAS INSTALLED CORRECTLY AND WORK AREA WAS CLEAN WHEN WORK WAS FINISHED. EVERYTHING WAS RUNNING GREAT.