This is just par for the course with ADT, whether you take advantage of one of their deals or not. All of their security systems include a contract for 24/7 professional monitoring. The standard ...

Before considering the hardware's cost, let's look at the monitoring services ADT offers. Basic alarm monitoring starts at $46 per month (versus $30 a month for Vivint). Still, if you want to use ...

The alarms business is part of Johnson Controls' Building Solutions European and Latin American segment, whose sales rose 3% ...