CAME OUT FOR AN ESTIMATE ON EQUIPMENT. INSTALLED A 3T XX A/H 12YR P&L. MADE SURE EQUIPMENT WAS INSTALLED PROPERLY. MADE SURE WORK AREA WAS CLEAN WHEN FINISH. CHECK THERMOSTAT, CHECK AIRFLOW, CHECK AIR FILTER, CHECK ALL ELECTRICAL CONNECTIONS, CHECK GAS PRESSURE AND FOR PROPER VENTING. EVERYTHING IS RUNNING GREAT.