United Fire Alarm Systems

02/03/2026

🔥 Smoke doesn’t make appointments. Make sure your fire alarm system is ready before you need it!

United Fire Alarm Systems helps with inspections, service, and installs—so you can stay focused on business (not beeping panels).

📍 9021 Riverview Drive, St. Louis, MO 63137
📞 314-869-8500
✉️ [email protected]
🌐 www.UnitedFireAlarmSystems.net

01/14/2026

United Fire Alarm Systems, Inc. helps keep businesses safe when it matters most. 🔥🚨

We design, install, inspect, repair, and monitor fire alarm systems so your building is protected and stays up to code. Whether you need a brand-new system, upgrades to an older one, or routine inspections and maintenance, our team handles it all.

✅ NICET-certified engineers & technicians
✅ Commercial + industrial fire protection
✅ 24/7 emergency support
✅ UL-level standards for fire alarm services
✅ Silent Knight systems (with optional cellular communication to speed up signals and cut telecom costs)

Need help with fire protection for your business?
📞 (314) 869-8500

04/28/2020

United Fire Alarm Systems - UL Listed
For a free estimate call 314-772-0070

05/24/2017

Most home fires begin in the kitchen, and Home Safety Council President Meri-K Appy demonstrates how quickly a kitchen fire can get out of control. With a li...

01/22/2017

FIRE ALARM INSTALLATIONS
IN ST LOUIS

License Contractor in both St Louis City and St Louis County.

We Install and Service Photoelectric Smoke Detectors, Provide Fire Alarm Installations in St Louis, and Fire Alarm Testing!

12/23/2016

11/25/2015

We are Bonded and have General Liability and Workmen Compensation insurance are technician's are Certified Alarm/Security Technician's

11/17/2015

http://www.silentknight.com/press-room/Pages/videos.aspx