CAME OUT ON A ESTIMATE ON EQUIPMENT. INSTALLED A 4TON HP/AH CONVERSION W/ T-STAT. MADE SURE EQUIPMENT WAS INSTALLED PROPERLY. MADE SURE WORK AREA WAS CLEAN WHEN FINISH. CHECK THERMOSTAT, CHECK AIR FILTER, CHECK DRAINAGE, CHECK ALL ELECTRICAL CONNECTIONS, CHECK GAS PRESSURE AND FOR PROPER VENTING. EVERYTHING IS RUNNING GREAT.