Keep in mind; consider your air system as the lungs of your house. Think about the type of business that you desire to manage your house’s lungs and your indoor air quality within your house. Have the total air system occasionally checked for polluted duct and have it correctly preserved so your Heating and Air System can offer your household with great air quality for many years to come. Certified duct cleaners will follow rigorous requirements set by the National Air Duct Cleaners Association. Enabling an unqualified service provider to clean your ducts could be even worse than not having them cleaned at all. More particles could be separated and launched into your house or your HVAC system could be harmed.
On the other hand there are many more air duct cleaning companies that will properly clean the air system and air ducts and use commercial negative air duct cleaning vacuums with at least 2,000 CFMs of vacuum power and utilize proper agitating tools to move the contaminates within the duct work to be captured with HEPA filters and contained by the air duct cleaning vacuum equipment.
Chances exist that lint that has in fact been restricting the exhaust vent over a prolonged time period can cause overheating which in turn can cause a fire. The establish of lint that occurs over a prolonged amount of time is not merely a fire threat, it is also a clothing dryer problem that gradually steals the energy efficiency of the clothes dryer and gradually cost you significantly more money.