Home Security and Automation Systems
in Charleston, SC

QEI Security, a leading home security provider in the Charleston, SC area, provides everything from basic home security systems with 24/7 monitoring to a 10-room whole-house audio system combining the top speaker brands like Sonos, Klipsch, and Leon. Did you know your security system is the foundation of a smart home ? At a very affordable cost, you can control lighting, locks, thermostats, security cameras and more from one app on your smartphone.

One of S.C.’s Largest Security Companies

As one of the largest South Carolina-based security companies, QEI Security will match the pricing of our national competitors, while providing professional local service.

Security Cameras Provide Peace of Mind

QEI Security offers the latest in HD IP indoor and outdoor security cameras, plus professional installation and a service warranty.

Have the Latest Technology at Your Fingertips

Get reminders when you leave your home and your security system isn’t armed or the garage door was left open. Plus, control multiple devices with one button.

Why Choose QEI for Home Security and Home Automation?

Have confidence knowing your local home security and automation system provider. QEI Security provides a one-stop home security and automation systems combining quality brands and superior service in Charleston security systems, 24/7 security monitoring, and home automation. Every technician at QEI Security has at least 10 years of experience installing and programming security and control systems. Their passion is electronics and helping you to realize the full potential of your system. Confidence is everything. With 35 years of experience in the security industry, we’re your South Carolina home security company with headquarters in the Charleston and offices in Columbia, Myrtle Beach, Bluffton/Hilton Head, and Greenville. Our home automation services, like climate control, entertainment, and security, are powered by TEQHoM interactive.

Our Home Security Services in Charleston, SC Include:

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“My security consultant was extremely professional and demonstrated a passion for providing a high level of personal attention to my needs. This level of service is rare in today’s consumer marketplace. I’m very happy to be doing business with a local company that cares about its customers.”

James Dean

Freeman's Point Homeowner

QEI News

QEI Security Supports MUSC Shawn Jenkins Children’s Hospital

QEI Security & Technology is born and raised in Charleston, S.C. and it is important to us to give back to the communities we protect.

Monitored Fire Protection: What You Need to Know

Fire protection is one of the most valuable parts of a security or home automation system. What Is Monitored Fire Protection? A monitored smoke/fire detector is connected to a professionally-monitored system and as soon as smoke is detected, the monitoring station can...

“Scenes” Provide Advanced Home Automation at an Affordable Price

“Scenes” offers the ability to control multiple devices with the touch of one button. This type of automation is ONLY available when multiple devices are controlled through ONE smartphone app, like a QEI Security & Technology system. Protect Your Family Program a...

Memberships and Accreditations