Many homes in Canada are heated and cooled with forced air systems of various types. If your home is heated with a furnace or cooled with a central air conditioner, then you likely may have an extensive duct system running throughout your house even if you don't see most of it. What Is Duct Cleaning? This duct system is used to move air around your house thus it is responsible for delivering the heated or cooled air to the supply vents ( this controls the indoor temperature ), returning air from the rest of the house back to the furnace or air conditioner and venting air to the outside. Over time these ducts become dirty because of a number of contaminants such as: Mold, dust, pollen, allergens, obstructions ( toys, construction debris), rodents and their feces and pet dander.

Duct cleaning, therefore, is the process of removing these contaminants and objects from your duct system to improve the indoor air quality and the efficiency of the heating and cooling system. Specialized equipment is necessary to do a thorough cleaning of a duct system properly such as: gas or electric high suction vacuums, suction hoses, high volume air compressor, agitation tools ( whips, nozzles, rods, brushes, etc. ) Depending on your household circumstances such as if there are pets, doing home renovations, unfinished basements, rodent issues, the maintenance of the heating system will play a part as to how often the ducts should be cleaned. As a guide about every 3 to 4 years it should be cleaned depending on factors previously mentioned. more... See more text