Advanced Air Duct cleaners are the only air duct cleaners that we have used all 26 years we have been in our home. Always prompt, professional and leave our home feeling like it was just spring cleaned….which it was. Sheldon, Patrick and Isaac came into our home and went immediately to work in their “areas” of expertise. Could not have asked for more. They were courteous and kind. I particularly loved the gadget they had for plastic on their feet. It was so cool and I loved that they were paying attention to the cleanliness of our home and not just tromping through our home. Thank you for everything. Highly recommend.