roto brush duct cleaning
I am looking to purchase a RotoBrush duct cleaning system. Does anyone have any input?
I'm not sure how good there unit is but to be a certified cleaner the duct system is supposed to be under a negative pressure. I can't remember where I read it at but It was probable at the NADCA sight. http://nadca.com/en
If you don't really care about actually cleaning the duct, and the object is to clean out the clients bank account, then Roto Brush is good for you.
It can't really do the job. The vacuum is too weak
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I can't help you with that system. I can only say examine your motives for wanting to get in to duct cleaning. At my old company customers would ask about it. I actually would get an incentive for recommending a certain company. I never got that bonus cause I never recommended it. Instead I gave customers a link to facts on duct cleaning and a study by the EPA on IAQ before and after a cleaning (often worse after).
I think it's rare that it is actually needed.