It is a common myth that people think that they cannot have their air ducts cleaned if they live in a mobile home. This is half true. Most companies that offer air duct cleaning, use what is called “negative air” machines. This is equipment that sucks out debris while the duct is being agitated heavily. This type of equipment can be pretty rough and is not rec… More on this story here.
https://www.eurodita.com/mobile-home-duct-cleaning/