1. Thorough inspection of the HVAC unit.
2. Is the HVAC system fully operational prior to cleaning?
3. Services to be provided:
- Clean Supply Ductwork
- Clean Return Air Ductwork
For Metal Ductwork:
1. Are interior ductwork surfaces free of visible debris? (Select several sites at random in both the return and supply sides of the system.)
For Fiberglass, or Fiber-lined, Ductwork or Ductboard:
1. Is all fiberglass or lining material in good condition (i.e., free of tears and abrasions: well adhered to the interior of the duct)?
Remove, Clean and Reset:
- Supply Registers
- Return Air Grilles
2. Are the registers, grilles, and diffusers visibly clean?
3. Are all the registers, grilles, and diffusers properly reset?
4. Access and Clean:
- Supply Air Plenum
- Return Air Plenum
5. Is the supply plenum (directly downstream of the air handling unit) free of moisture stains and contaminants?
6. Is the return air plenum free of visible dust and debris?
7. Install Access Panels as Needed
8. Are access panels properly sealed according?
9. Clean Airstream Side of Heat Exchanger
10. Clean Secondary Heat Exchanger
11. Was proper access made to the heat exchanger?
12. Remove, Clean and Reinstall
- Blower Motor, Housing & Assembly.
13. Are the blower blades clean and free of oil and debris?
14. Is the blower compartment free of visible dust and debris?
15. Clean Evaporator Coil. Drain and Pan
16. Which cleaning method was used?
Type 1 Contact vacuum, brush, or air wash
Type 2: Use coil cleaning chemicals and water
17. Are both sides of the cooling coil visibly clean?
18. If you point a flashlight into the cooling coil, does light shine through? It should if the coil is clean.
Duct Cleaning Process
19. Are the coil fins straight and evenly spaced (as opposed to being bent over and smashed together)?
20. Is the coil drain pan clean and draining properly?
21. Replace air filter
22. Do filters fit properly and are they the proper efficiency as recommended by the HVAC system manufacturer?
23. Wash air cleaner
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