Basement Furnace: turn heat on and confirmed operation. Brushed and Wiped down furnace blower cabinet and gas burners. Burners fired and are in good working order. Changed filter 16x25x1 provided by climate plus. Checked electrical.. Measured 60 degree temperature rise. Blower fan has layers of grime and dust which is affecting efficiency. System is operating as it should however should consider upgrading for reliability and more efficiency.
