Spencer and Guillermo did a fantastic job cleaning my ac unit in the attic, dryer vent, air intakes/returns, and all of my ceiling vents. They took great care in covering up my furniture and artwork to avoid any dust and crud from getting on anything. What’s even more impressive is they vacuumed the floors and carpeting to pick up any mess that was made. It was a pleasure to have them as they spent at least 5 plus hours doing this job. If I could give them more than 5 stars I would!