We recently moved into a new home and immediately was visited by envision salesmen. They were a bit persistent like most salesmen are but they were also kind and helpful. Within days of moving in we had the security system set in, free of charge. The system is easy to use and allows us to turn the A/C down even while we are away from home. The worker who installed the system was also kind and patient while I sorted through my new home looking for paperwork I had misplaced. Overall, great service and would refer any friend to envision.