While an intercom systems might seem like a superfluous cost in our world of cellphones and mobile communication, most commercial and residential  buildings  can  still benefit greatly from a functional intercom system. Schools, hospitals, businesses, and government buildings make  great  use  of  intercoms  every single  day. Here are just a few of the ways that an intercom system can benefit your building, no matter what kind of building it is.

1. Protects your building from vandals and intruders. Many criminals will be unwilling to actually try to invade a building, vandalize it, or do something violent or destructive once they realize that in order to be granted entry, they  have  to  identify who they are. Even just the act of having to verbally give their name and purpose to another is enough to ward off most criminals. Obviously, they could lie, but most people know that they can easily be identified by their voice.

It  can  be  a  frustrating  experience  when  the  doorbell  suddenly  stops  working  or making strange sounds. The good news is that  doorbell repair can be done by most homeowners. It does require the right tools and knowledge. 

When it comes to door buzzer repair, there are four things that you need to consider. These are the button, transformer, wiring, and the chime. Below are the steps to track down the cause of the malfunction and how to fix it.