Reliable Detection Systems, LLC, License #CT 188833, is a residential and commercial integration company. Our core business for many years has been fire and security system installations, service and monitoring. Since 2001 Reliable Detection Systems has enjoyed explosive growth into a full integration company, offering the many outstanding products and services featured on this site. We are a Conntecuit licensed contractor. In 2010 Reliable Detection Systems became a subsidiary of ATP, American Total Protection LLC, one of the fastest growing security companies on the East Coast.

Importantly, Reliable Detection Systems is a full service company, one that you can rely on to takeover or service your existing Fire or Burglar Alarm, or any of the many featured equipment types or brands on our site. Need service? Give us a call and let our technical staff help.

Residential/ commercial sales and installations for all alarms systems, elevator and gate access control systems, commercial fire systems, security cameras- CCTV, and now commercial fire suppression systems is what we do here at Reliable Detection Systems. We are your one stop full service security company. Consider our decades of experience in these area’s and that we provide such services here in Conntecuit.

We have a knowledgeable, highly-trained sales staff, industry certified technicians, and a top management team.  Our UL Certified central monitoring facility offers courteous, reliable service while monitoring burglar and fire panels. This, combined with our strategic product partnerships, enables us to deliver the right solution on time and at the right price. Here at Reliable Detection Systems, we’re big enough to handle all of your security needs, and we’re small enough to understand them.