Furnace repair call. Found furnace with burnt control board. Found worn flame sensor, weak blower capacitor and dirty blower wheel. Recommend upgrading system to a more reliable, more efficient one. Replaced control board, blower capacitor and flame sensor. Signed customer up for one system] Comfort Club Membership and completed 1 system furnace repair and preventative maintenance. Changed filter. Dusted out furnace cabinet. System is heating at this time.