Commercial Duct Cleaning Process – 26 STEPS

1. Test and inspect the furnace and air system
2. Seal off vents with magnet covers for maximum isolation
3. Protect walls and floors
4. Turn off system
5. Inquire of air balancing and mark dampener
6. Create an access point in hot air trunk
7. Pre-inspection of the hot air system
8. Connect suction to hot air trunk (create negative air)
9. Place a protective mat in front of the vent, and vacuum register opening (as needed)
10. Adjust the register damper to allow maximum airflow
11. Using compressed air and whips, clean individual vents using compressed air (and negative air), blow out individual vents throughout the house
12. Re-adjust the damper and vent settings for the balance system.  Adjust airflow for balancing of system
13. Using an air snake, whips, or brushes, clean hot air trunk
14. Send reverse blowing skipper ball up individual hot air trunk for additional cleaning
15. Post-inspection of the hot air system
16. Pre-test furnace function
17. Create access point to the cold air return
18. Pre-inspection of cold air return
19. Connect suction to cold air return
20. Using compressed air, whips or brushes (and negative air) blow out individual cold air returns throughout the house
21. Using air snake, whips, or brushes, clean cold air return trunk
22. Post-inspection of cold air return Inspect cold air return trunk
23. Inspect and adjust the dampener
24. Seal up system
25. Turn the system on and test