There are a lot of good reasons to have a home security system installed in your Phoenix residence. It can let you know right away when something happens, like a break-in, an open, unattended door, or even a fire. Having a home security system can also keep would-be criminals away, since they don’t want to do anything to alert the authorities. You might be able to deter them too if you see them on your phone while you are away and contact the police. It is an excellent thing for your peace of mind.