My alarm monitoring system ceased working, and I called Professional Alarm to report it and find out the reason. They told me that the system needed an upgrade (at considerable cost) and I had to book an appointment with one of their technicians (also at my expense). When I calculated that the expense was greater than the service I received, I decided to stop the monitoring. Even though Professional Alarm was told my system no longer worked, they have continued to bill me for the monitoring for over six months, even after being told that the service was no longer being provided on several occasions. Be careful in selecting these folks to monitor your security!! read more