Arizona's trusted specialists in Building Automation, HVAC Controls, CCTV, Access Control, and Fire & Life Safety — engineered and installed by experts with 50+ years of combined experience.
End-to-end solutions for commercial and industrial buildings — from initial design through installation, commissioning, and ongoing support.
Custom-designed BAS systems that integrate HVAC, lighting, and electrical for peak efficiency. We design, install, and service every system we touch.
Superior controls installation for commercial and industrial HVAC — both new builds and complex retrofit projects. Specializing in Johnson Controls Metasys and Tridium Niagara 4 systems.
Scalable closed-circuit television solutions for commercial properties of any size. Dynamic architecture built for seamless future expansion.
Intelligent entry management systems from card readers and keypads to biometric solutions. Scalable from single-door to campus-wide deployments.
Code-compliant fire alarm and life safety systems designed to protect your people and property. Full service from design through annual inspection and testing.
Expert guidance on new installations, system upgrades, training, and energy optimization. Local and out-of-state consulting available for any project scope.
We've been competing on quality and service since 1998 — not just price. Here's what that means for you.
Start Your Project50+ years of combined experience across mechanical and controls disciplines means we've seen it all — and we solve problems others can't.
Building systems don't take weekends off. Neither do we. Our team is available around the clock to keep your systems running.
We deliver total building solutions within your real budget — no upselling, no surprises. Just the right system at the right price.
Our clients stay with us because of how we treat them — with personal service, respect, and genuine care for their operation's success.
From single-site commercial buildings to large-scale industrial campuses — we bring the same standard of excellence to every job.
Every project follows a proven methodology — from the first call to long-term support.
We start by understanding your building, your goals, and your budget. No cookie-cutter solutions — every proposal is built from scratch.
Our engineers design a tailored system — drawing on 50+ years of experience to select the right hardware, software, and architecture.
Our certified technicians handle the full installation, minimizing disruption to your operation throughout the entire process.
We don't just install and leave. Every system is tested, calibrated, and verified against your requirements before we sign off.
24/7 service coverage, scheduled maintenance, and training ensure your system performs at its best for years to come.
"CSR redesigned our entire building automation system and the energy savings were immediate. They stayed on schedule, on budget, and our facilities team was trained thoroughly before they left."
"We've been with CSR for over 8 years across three locations. Their responsiveness is unmatched — when something needs attention, they're there. That kind of reliability is hard to find."
"The access control and CCTV installation at our warehouse was done cleanly, professionally, and exactly as spec'd. I appreciated that they explained everything and didn't try to oversell us."
Get a free consultation and quote — no obligation, no pressure.
Whether you have a complex BAS project or a simple repair, we're ready to help. Reach out and a member of our team will be in touch within one business day.