Prior to you decide if you should get your air ducts cleaned, you necessitate knowing a little about how they work and why they bring together dirt.
A good number of homes are heated by means of a furnace and a duct system that distributes warm air into diverse rooms.
This arrangement is made up of both "return" ducting that convey cold air hooked on your furnace and "supply" ducting that distributes warm air all the way through your home.You can straightforwardly tell the difference between return and supply ducting as a result of going down to your underground room and inspecting the sheet metal ducting by and large found hanging from the floor joists on top of the ceiling.
The return duct is by and large a big rectangle that is attached in the direction of the underneath of your furnace, at the same time as the supply duct arrives out from the top of the furnace.
The supply duct is by and large made up of a big "trunk" duct on top of the ceiling, along with smaller metal ducts that branch off hooked on every heated room.
You'll find them time and again covered by a metal grate on top of the flooring or the wall.Seeing as your duct work is open en route for your household air, it can easily bring together dirt, hair, pet dander and other debris from your dwelling.