Security System

A security system is a network of sensors, cameras, and alarms that works alongside your home's electrical infrastructure to protect your household and give you peace of mind. Whether you're looking at smart doorbells, motion detectors, or full monitored alarm setups, a properly installed system keeps your family and belongings safe. From new installations to electrical upgrades and system expansions, Angi connects you with pros who can help secure what matters most.

Related to Security System Service

Security System Service Articles and Advice
Jouviane Alexandre  •  Aug 4, 2026
What’s the Difference Between Presence Detectors and Motion Detectors?
Whether it’s for comfort or security, learn how presence detectors and motion detectors can make your home smart and secure.
Taylor Sansano  •  Aug 4, 2026
Monitored vs. Unmonitored Home Security Systems: Which Is Best?
Monitored vs. unmonitored home security systems: which can best defend your home from crime and other dangers? Learn the differences between these two products.
D.P. Taylor  •  Aug 4, 2026
How to Select the Best Security System PIN
Now that you’ve installed your home security system, it’s time to create a PIN to prevent tampering. But how can you be sure your PIN is secure and safe from a curious intruder? This guide breaks down the basics of good—and bad—home security system PINs.
Laura Hennigan  •  Aug 3, 2026
7 Tips to Protect Your Home From Robbery and Crime
While the thought of an intruder is scary, there are several steps homeowners can take to protect themselves from burglary and crime, both inside and out.
Allie Ogletree  •  Jul 31, 2026
12 Home Security Tips
Home security tips like increasing exterior lighting and installing security devices can secure your home. Read on to discover more security steps.
Kelly Weimert  •  Jul 20, 2026
How Much Does Home Security System Installation Cost?
Feeling safe at home should always be a priority, and installing a new security system can help you do just that—no matter where you live.
Nick P. Cellucci  •  Jul 15, 2026
Are Smart Home Devices Safe? Know the Risks and How to Protect Yourself
They’re becoming more common, but are smart home devices safe? Before you buy, get familiar with the risks and use this guide to protect yourself and your home.
Jouviane Alexandre  •  Jul 10, 2026
Backyard Security: 8 Tips to Keep Your Outdoor Space Safe
From strategic lighting to a comprehensive security system, use this guide to create a safe outdoor space for your family and home.
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Common Security System Service Questions

Costs depend on system type, labor rates, and additional features like smart integration or professional monitoring.

Annually or semi-annually, ensuring all components function and software updates are applied.

Wired alarm systems and wireless systems usually follow the same protocol when it comes to being reset. Simply cut the power supply to the system by turning it off, unplugging its transformer, and removing the backup battery. After a couple of minutes, replug everything you just unplugged, and the system should come back completely reset.

Yes, many installations offer mobile and cloud-based access for real-time monitoring.

When removing an old security alarm system, you likely won't need to remove any of the wiring. Wiring can either be left in place for a replacement system or capped off for safety and pushed into the wall. If you're uncomfortable with the wiring, or if it's badly damaged, contact a professional electrician for assistance with safe removal.