CAME OUT FOR AN ESTIMATE ON EQUIPMENT. INSTALL 4T FURNACE, 12Y. EARNED RENWED SERVICE AGREEMENT ON 2 UNITS. EQUIPMENT WAS INSTALLED CORRECTLY AND WORK AREA WAS CLEAN WHEN JOB WAS FINISH. CHECK BURNER OPERATION, HEAT EXCHANGER, BLOWER COMPONENTS, GAS PRESSURE, AND PROPER VENTING. CHECK THERMOSTAT, AIR FILTER, AIRFLOW, AND, ALL ELECTRICAL CONNECTIONS. EVERYTHING IS RUNNING GOOD.