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Home Security Systems and Home Automation

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.

S.C.'s 3rd Largest Security Company

QEI Security is the third largest South Carolina-based home security company. That means customers can choose a local company with the benefits of our national competitors.

Technical Experience & Expertise

QEI Security is built on experience and expertise. Every technician has at least 10 years of experience installing home security and automation systems.

Home Security Mobile Application


Use our TEQHoM INTERACTIVE home automation system to control many basic home functions from one place on your smartphone, tablet or computer.

Live Connected.

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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 & Technology 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, lighting and security, are powered by TEQHoM interactive.


Our Home Security Services Include:

  • Professional security installation, including security cameras
  • 24/7 monitoring of dedicated wireless security system
  • Whole-home audio
  • Home theater/entertainment systems
  • Control systems (automation)
  • Lighting control
  • Television installations
  • Electrical panel surge protection
  • Home networking/structured wiring


Memberships and Accreditations

  • berkeley-chamber-of-commerce
  • better-business-bureau
  • The Chamber of Commerce Great Summerville, Dorchester County
  • charleston-chamber-of-commerce
  • Custom Electronic Design & Installation Association
  • electronic-security-association