For over 25 years, Alarm Controls Systems Inc. has been providing fire prevention and security solutions to homes and businesses in Lowell. It specializes in setting up intercoms, gate operators, and door entry systems. It strives to build easy-to-use safety systems that protect valuables and reduce insurance rates. Its technicians install video surveillance, alarms, and home automation devices. The company provides a digital radio communication link that connects homeowners to its UL-listed central station. Its dispatchers alert local authorities and monitor their response during emergencies.