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

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Allie Ogletree  •  May 5, 2026
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Learn how to hire a security camera company for your home. Find qualified pros, ask the right questions, and protect your property with confidence.
Haley Nothstein  •  May 3, 2026
How Much Does It Cost to Remove Old House Alarms? [2026 Data]
Removing an alarm system may require the assistance of a professional electrician. Find out the average cost to remove old house alarms.
Allie Ogletree  •  May 3, 2026
Are Home Alarm Systems Worth It?
A home alarm system can help make your home safer, but it depends on several factors. Keep reading to see if home alarm systems are worth it.
Timothy Moore  •  May 3, 2026
How to Disconnect a Home Alarm System Without Setting It Off
This guide will help you disconnect a home alarm system, whether you’re installing a new system or just want old electronics out of your house.
Alison Kasch  •  May 2, 2026
7 Signs You’re Relying on an Outdated Security System
Technology is hard to keep up with, so how do you know when your security system is outdated? Here are seven key signs that your system is due for an upgrade.
Matt Marandola  •  May 2, 2026
9 Easy Ways to Keep You (and Your Home) Safe
There’s nothing wrong with looking for some extra security for your home. Using this guide, you’ll learn nine different ways you can keep yourself and your home safe while inside and while you’re away.
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9 Smart Home Automations That Make Your Home Safer
Looking for ways to boost your home’s security? Smart home automations offer various security features that you can control from a smart device.
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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.