Furnace cleaning: air filter system was clean and clear of all debris and signs of concern. Heat rise was 48. Air movement system was clean and clear of all debris and signs of concern or worry. All wiring was clean and secure. Flame gateway system was clean and clear. Flame sensor system was clean and clear. Cleaned off inside and outside of indoor unit with proper cleaner and wipes. System was up and running at normal operation at the end of the visit.