The key indicators that my Air ducts need cleaning?
Supply and return vent covers are dirty
Dark filtration lines appear on the walls, ceiling, or carpet surrounding the vents
Dust accumulates quicker than usual, regular dusting becomes too regular
Variance in temperature or airflow from room to room
Increase in utility bills. An increase in energy is required for the HVAC system to function properly. This could mean that dirt and debris are blocking the coils and/or air ducts, which slows down the airflow.
Post-construction debris, drywall dust, sawdust, and other construction-related debris to build up and settle in your HVACs system.
Pet dander fly around in the house
You replaced your furnace or added ductwork recently