ADT is the largest and oldest home security companies in the United States. While not affiliated with Alarm Grid in any way, ADT's products are found in thousands and thousands of homes in the United States.
Alarm Grid has many monitored customers who arrived here from ADT and whose legacy equipment is still ADT branded. As a company dedicated to providing resources for alarm equipment, Alarm Grid lists the most popular ADT equipment with instructions on how to modify it so that it can be monitored by other alarm providers. For those customers who are with ADT, much of the information on our site will also help you fix and upgrade your alarm without the need to pay a service fee of any sort. While you are obligated to call and test your modified equipment with your service provider, Alarm Grid serves as a simple place to compare and contrast pricing. If you are currently with ADT and are looking to switch companies, we would welcome the opportunity to help you understand the process of having your account switched over. While this requires that you are out of contract, for those that are or whose contracts are nearing the end, give us a call!