ServiceExpress™ Maintenance and Emergency Service
We understand how Critical it is for your building Fire Alarm, Sprinkler, Access Control, and other building Security Systems to operate properly. In response, we created ServiceExpress.™ Our factory-trained and NICET Certified service representatives are available 24/7 and will respond promptly, completing the necessary repairs to ensure your building systems are up-and-running as quickly as possible.
They say,”Knowledge is Power” and knowledge is what our technicians are equipped with everyday.
Our technicians utilize the latest cloud-based technology on smart phones to view all of your account information in our CriticalOPS™ platform. This proven method reduces service related costs and increases the speed of system up time.
![]() |
![]() |
![]() |
![]() |
|---|








The TOTALREPORT® is the newest and most exciting development in the building protection industry. Critical Systems provides a graphic Inspection Report that can be used as an Operational Document EVERY DAY!.