I was impressed with the Service Technician who came to my home. Mr. Chestnut was customer focussed, efficient, on time and absolutely through. He also noted the wear and tear on the rollers. He cleaned , gave me instructions on how to operate the system and how to reset passwords and remotes. He did not just leave it to me and the manual. Very helpful for those of us who need hands on instructions. Thank you for delivering same day quality service at a decent rate. ABW