We protect what matters most.

Protecting your home and providing security for the things that matter most to you is our highest priority. We offer professional, cost-effective solutions for home alarm installation, repair, and monitoring.

We understand security.

We adapt each system to fit the unique needs for all our clients. With a security system from ADS you are buying more than just a product— you are investing in superior customer service.

We believe in accountability.

Business security requires specialized expertise and performance. We protect schools, municipal buildings, banks, manufacturing plants, and other mission-critical sites.

Security Alarms 

Let’s protect your Illinois or Wisconsin business.

ADS is one of the largest security companies in the country. Therefore, we have the products, services, and expertise to provide alarm security and peace of mind 24 hours a day/365 days a year. Keeping your building and your business safe and secure involves a number of protective systems. 

As the most experienced alarm company in the Chicago area, we are a one-stop provider of:

    • Burglary & Intrusion — From perimeter door protection to interior intrusion sensors, we help keep your business safe from criminals.
    • Security Cameras — First of all, we can provide temporary location video surveillance when your business is being built.  secondly, we provide IP security cameras with digital video recorders or network video recorders.
    • Fire Alarms — We design, install and repair fire alarm equipment and also test and monitor it to ensure it’s working properly.
    • Card Access — We offer various card access systems for your business including keypad, swipe and key fob options. These can be integrated with other systems, including video entry access programs.
    • Alarm Monitoring — We provide 24-hour alarm monitoring 365 days a year.

Stay Secure Schedule your FREE Evaluation

Home Security

Let’s talk about your home alarm.

If you’re looking for greater security and all-important peace of mind, you may be considering an alarm system installation in Chicago. At Alarm Detection Systems, Inc., we listen to you and determine what concerns you most. Then after evaluating your needs, we suggest the home security package that is the best fit for you.

Schedule Your FREE Evaluation

Considering a Chicago alarm system installation company?  Start with us. We don’t sacrifice safety, and neither should you.

For the fastest response to your inquiry. Please use the instant chat function in the bottom right corner of this web page during regular business hours 8:00 a.m. to 5:00 p.m. or call 630.844.6300

The Latest in Alarm Security

Home Tips for the Holidays

In this post, we discuss home security tips you can use to help protect you, your family and property from becoming victims to holiday season crime. The holiday season is a joyous time of the year. There will be celebrations, gift giving, friends and family to help...

Intercoms, Access Control & Door Stations

First, we are always looking into new intercoms and other door access control. By doing so we take time and guesswork out of access control. The result is that our customers receive the most efficient intercom installation.

Emergency Contact List for Your Business

Keeping the emergency contact list up to date for you business is a top priority. Here is everything you need to know in regards to why and how to keep your contact list up to date.

Join our Team

Respect, Professionalism, and Integrity.

Employment at Alarm Detection Systems means being a part of a team of leaders in security systems. Join a group of exceptional people who share a common passion for providing the highest level of service to thousands of customers every day.