Easy to install, affordable, and powerful, a DIY home security system can help protect a studio apartment in the city or a big house in the suburbs, but it isn’t the right home security solution for everyone. Although DIY home security systems are designed for non-technical homeowners, some people don’t want to or can’t install them., This Old House host Kevin O'Connor demonstrates how to install a wireless alarm system. by Kevin O'Connor, Host Updated 10/21/2024. Project details. Skill. 1 out of 5 Easy As long as you read and follow the installation instructions. Cost. $250 to $500, depending on the alarm system and features., The Ring Alarm Pro system is the most comprehensive DIY home security system we’ve tested. It’s easy to set up and use, it allows you to customize it with a large selection of compatible add , Cost to Install a Home Security System . The cost of installing a security system depends on the size of your home and any monitoring subscriptions you opt into. Hiring a pro to install a wired system costs $800 to $1,600. Wireless systems cost $200 to $2,000 to install, and much of, Install a Battery Backup. Some alarm systems come equipped with internal battery backup. But if you lose power, you also lose your modem and WiFi router, and that means you lose alerts from your home’s security system. Protect yourself by installing an uninterruptible power supply system from any electronics store., Best Professionally Installed Home Security Systems of 2025; Best Home Security Systems With Outdoor Cameras of 2025; Best Self-Monitored Home Security Systems of 2025; Best Wireless Home Security .