The Most Common Dryer Vent Filter Debate Isn't As Black And White As You Might Think
http://andresgror015.website2.me/the-new-blog-9015/10-wrong-answers-to-common-clean-dryer-duct-pureairwayscom-questions-do-you-know-the-right-ones
It is a daily activity HVAC and night, usually for decades at a time ahead of being replaced. Any job undertaken by the supplier should be completed all-around the office hours.