What is the Difference Between Air Sweep and Roto-Brush Air Duct Cleaning?

The Air Sweep and the Roto-Brush method are the two methods used in air duct cleaning. The Roto-brush method is a more thorough cleaning, can take several hours and therefore costs more. The Air Sweep method usually takes about an hour.

The main difference is that instead of using just air pressure to dislodge the dust and debris, the roto-brush actually uses a Pneumatic Brush that cleans air ducts. This does require removing all the resisters and the brush goes down into the air ducts. The air sweep method uses the Air Wand that fits between the fins of the resister. This makes removing the resisters unnecessary which saves time, therefore costing less. It is similar with the main trunk lines – the roto-brush method requires cutting large holes in the air ducts and the air sweep method only requires drilling small holes.

The roto-brush method is beneficial when it has been a very long time, like 10 years or more, since your last air duct cleaning. If air duct cleaning is performed on a regular basis in your home, there is not much build-up of dust and debris, therefore the Air Sweep Method is sufficient.

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