Homecare Inspection 2 systems. Checked electrical connections, checked coils, checked IAQ, checked safeties, replaced customer supplied filters, cleaned flame sensors, checked blower wheels and cabins, checked temp rise, flushed drains, tested condensate pump, tested thermostat operations. Found bad contactor, bad thermostat and no drain switch for main floor system. Ac running all the time due to stuck contactor and bad thermostat sending false signal for cooling. Quoted repairs, replaced thermostat and contactor per customer request. Tested all system operations after repair everything working as it should at this time, ac only runs when needed.