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Home Security and Automation Systems

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.


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

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, 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

Our Projects

Pilots Point
Mt. Pleasant


Lesesne Steet
Daniel Island


“We recently moved to the area and are grateful to have discovered QEI Security & Technology to address the electrical and AV needs of our not-so-new home. From the initial appointment to providing an estimate to completion of the work, everything was done exactly as promised. The technicians were highly professional and very neat. We are extremely satisfied with their work and look forward to having QEI to service our future needs.“

Stephen and Martha Daley

Daniel Island homeowners

QEI News

Holiday Lights: Save Money with Lighting Control

Accidentally leaving your holiday lights on overnight - or worse all day - can be expensive. Clark Griswold really did it up in the 1989 classic "National Lampoon's Christmas Vacation." Kim Komando estimates it would cost about $3,456 to light Griswold's 25,000 bulbs...

Top 10 Things to Look for in a Home Security System

It can be overwhelming selecting a company to protect your home and family. It can also be hard to know what to look for.

What to Look for in a Video Doorbell Camera

Video doorbells are our top selling home automation product, largely because they combine security and lifestyle simplification.

Memberships and Accreditations