A thorough duct and system cleaning will remove the dust, debris, paperclips, toys, pet hair and whatever else has gotten into the system. A complete duct and system cleaning will increase indoor air quality and increase the airflow of the air handling system, making your heating and cooling equipment more efficient and longer lasting.
The inside of the ducts should look shiny and bright, similar to when the system was new. Many people like to know that this system is as clean as they keep the rest of the house. Some Maintenance Tips: High-efficiency filter. Prevent dirt from entering the system. Use the highest efficiency filter recommended by the furnace manufacturer and change it regularly. Check it monthly for dust build-up.