Arrived onsite for heating maintenance 2 gas fired furnace 1 in basement and 1 in the attic. Attic Furnace unit: Ask customer to turn heat on and confirmed operation. Changed filter. Brushed and Wiped down furnace blower cabinet and gas burners. Burners fired and are in good working order. No visual impingement detected. Checked electrical. Cleared condensate lines. Cleaned the flame sensor. However the flame sensor has carbon build up and browning. Recommend replacing. Will provide an estimate. System is operating as it should. Basement Furnace unit: Ask customer to turn heat on and confirmed operation. Changed filter. Brushed and Wiped down furnace blower cabinet and gas burners. Burners fired and are in good working order. No visual impingement detected. Checked electrical. Cleared condensate lines. Cleaned the flame sensor. Will provide an estimate. System is operating as it should.
