When is duct cleaning warranted?

Duct Cleaning required if you see..

1. Visible Mould in your ducts
2. Excessive dirt in return vents
3. Dusty Air from duct outlets
4. Inspects or rodents invaded your duct system
5. Leakage of your duct air
6. Blocked Air Flow
7. Respiration or health problems in family

If you see above signs you must need air duct cleaning