 Unfortunately, there are all too many people offering to clean your ducts. They don't have the experience or the equipment to do the job as well as it needs to be done. If you're going to do it, wouldn't you want to do it right? System Clean is your duct cleaning choice if you want just that, done right. The DNA of System Clean goes back to 1998 here on The Home Fix Show. That's almost 25 years.