Arizona’s Trusted Partner for Gas Detection and Life Safety Systems.

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GLOBAL SYSTEMS UNITED

GLOBAL SYSTEMS UNITED GLOBAL SYSTEMS UNITED GLOBAL SYSTEMS UNITED

 🔥 Fire & Life Safety Systems 

  📟 Gas Detection & CO₂ Monitoring 

 🧯 Specialty Systems & Inspections 

View Full List of Services

(623) 939-3098

10 Years Providing Arizona Fire Alarm & CO2 Safety Services

Global Systems United 10 year anniversary fire alarm and CO2 monitoring services Arizona

Celebrating 10 Years of Excellence!


 Since 2015, Global Systems United has proudly provided fire alarm installation, CO2 monitoring, and life safety systems throughout Arizona. This year marks a decade of dedication, innovation, and growth. We are incredibly grateful for our team, clients, and partners who have been part of this journey. Your trust and support have helped us reach this milestone, and we look forward to many more years of success together.


Thank you for being a part of our story!

See Our Story

Inside Global Systems United: AZ Fire Alarm & CO2 Monitoring

A behind-the-scenes look at Global Systems United’s Arizona team, mission, and services — including fire alarm installation, CO2 monitoring, gas detection, and life safety systems. Meet the professionals who protect businesses across Arizona. 


Learn more about our fire alarm and CO2 monitoring services in Arizona.

Protecting Arizona Businesses with Fire Safety Solutions

 At Global Systems United, we protect lives and property through precise, dependable fire alarm, gas detection, and life safety systems. We specialize in code-compliant integration that helps businesses operate safely and efficiently.  We serve clients throughout Arizona, including Tempe, Phoenix, and surrounding areas. Built on trust, integrity, and long-term relationships, we deliver hands-on service, rapid response, and the technical clarity our customers count on—every step of the way. 

Global Systems United handshake over skyline, showing fire alarm and CO2 partnerships in Arizona.

 Built on trust, integrity, and strong partnerships—our mission is your safety 

NICET Certification & Professional Credentials

Global Systems United NICET logo over plans, showing Arizona fire alarm and CO2 expertise.

Our NICET-certified organization reflects our commitment to excellence in the  Arizona industry and reinforces our status as a trusted engineering provider. NICET is a respected, nationally recognized credential that validates our technical expertise and ongoing professional development. It represents our dedication to quality, professionalism, and the high standards our customers value. 


Sunset view of the Grand Canyon cliffs in Arizona

Commit to the LORD whatever you do, and he will establish your plans.

Commit to the LORD whatever you do, and he will establish your plans.

Grand Canyon landscape at dusk with layered rock formations in Arizona.

Commit to the LORD whatever you do, and he will establish your plans.

Commit to the LORD whatever you do, and he will establish your plans.

Commit to the LORD whatever you do, and he will establish your plans.

Proverbs 16:3, NIV

Panoramic view of Grand Canyon with rich orange hues at sunrise in Arizona.

Commit to the LORD whatever you do, and he will establish your plans.

Photos courtesy of Joseph Opal

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Life Safety Systems | ROC #297544 – CR67

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