Why not go with the trusted leader since 1968? Alarm Detection Systems has the reputation, experience, and personnel to provide the right security for your property. Alarm Detection Systems is family owned; their only focus is protecting lives and property. With employees that have the highest certifications and training, Alarm Detection Systems can meet the needs of most budgets with installation, service, and local alarm monitoring all from one company. If you have experienced poor customer service, long wait times on the phone, or hidden fees from a national company, then make the switch to Alarm Detection Systems. Alarm License #127-000143 | Locksmith License #192-000270 | Fire Sprinkler Contractor License #FCS0276
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
1111 Church Rd, Aurora, IL 60505
Great knowledge
Great service!
Prompt, friendly, and courteous.
WONDERFUL SERVICE, COURTIOUS AND PROMPT
Helpful on quick response service calls
Prompt and honest service professionals
Always Excellent Service 😀😀😀
I Strongly Recommend🙌🏽🙌🏽💪🏽💪🏽 …
Always there when you need them and they go the extra mile for you.
Family owned business. They’re fair, that’s hard to find
Excellent service. Could not have been better.Excellent service. Very knowable service people.
excellent customer service. Ed & Russ did great
Incredible company geared entirely around customer service and satisfaction.
Always friendly; exceptionally helpful; excellent customer service.
Amazingly friendly, accessible and their response and service team is perfect. Couldn’t be happier!
They have great technicians and they are on top of your account.
Out technician was very courteous and professional and finished the work in record time.
ADS was attentive to our situation and responded quickly to our needs.
Professional and courteous salesman; affordable plans to fit my budget!
ADS is truly the best. Thank you guys for coming out and helping me.
Very happy with the service ADS has provided us for years.
I HAVE BEEN ASSOCIATED WITH THIS GREAT COMPANY FOR 19 YEARS….VERY PROFESSIONAL, KNOWLEDGEABLE, RELIABLE AND MOST OF ALL HONEST….
Technician was on time, professional and completed the service call quickly.
I’ve used this service for several years. Every interaction with the staff has been professional, reassuring and friendly.
Technician showed up same day we called. He resolved the problem quickly.
Matt the technician was on time and he explained what he was going to do and then quickly repaired my system
ADS is very reliable, with great service technicians!
Alarm Detection Systems makes sure they check out YOUR Alarm System needs and fills the bill.
Great people to have looking out for you…
Great customer service by Ryan. He went beyond the call of duty and did with a smile.
They were very prompt to help out with our issue, and the technician was very friendly and knowledgeable.
The most irresponsible manager & VP I have experienced. Stay away from this company. They deserve negative stars.
ADS is professional, personable and responsive – I highly recommend them!
Navel the service tech was very professional and explain why all of the issues that we was occurring with our service.
I have been the customer of ADS for more than ten years now and their service is always very professional and prompt.
Awesome, ultra fast and timely service! Always very professional with an answer to my issues. Have been a customer for almost 20 years.
Alarm Detection Systems has provided us with excellent service for many years and we highly recommend them. Rich Hirsch
Excellent customer service and a reliable product. I will definitely be using them again in the future.
Very friendly and courteous. The thing that struck me is the time they took to explain what they were doing and to answer any of my questions.. Excellent service!
Great company. Great service and friendly and knowledgeable staff. Feels good to know they are local !! Definitely would recommend.
I have work be done by two worker very good customer service navíl Zaragoza and oscar they only have job done they go extra mile to complete their assignments
Great Customer Service. The Service Tech was thorough, efficient and respectful of our house.
Great company Great service and great people. Have tried a few alarm companies. ADS is the best.
We have used Alarm Detection for many, many years!
Always quick to respond and very accommodating! I highly recommend them!
We couldn’t be any happier with the service. Our old service wouldn’t fix or old system, but now with ADS they get the job done right.
Rodger Plant with ADS is great. He will find out what your security needs are and help get the system that is appropriate for your needs.
Called for service and they came out right away. Service man was very friendly and professional. One of the best responses I ever received for a service call. Very happy. He took care of the problem like a pro.
This place is awesome….Been securing my place for 10 years….
Roger will determine you needs and develop a system that’s perfect for you! More importantly you know who is monitoring your alarm system. Even for your home, don’t go with a company where you don’t know who is on the other side.
Mark is extremely reliable and knowledgeable. ALarm detection systems is a wonderful company to work with.
ADS has been extremely responsive and I would definately recommend their service to anyone looking for an alarm service.
The service technicians performed a prompt, thorough and accurate replacement of our alarm system panels and were considerate throughout.
I’ve had dealings with ADS for nearly 30 years Great security service and the very best in locksmiths and services.
We have always had great luck with ADS. Their service and monitoring are outstanding. Keep up the great work ADS!
Perfect LOCAL business. Customer service is outstanding and everyone at ADS does the same. Used them for 30 years (or more since I can’t remember!)
A GREAT RELIABLE COMPANY WITH A GREAT SUPPORTING CAST— MARK MEYER IS ONE — A FINE DEDICATED EMPLOYEE WHO KNOWS HIS JOB AND GOES ABOUT IT IN A VERY SYSTEMATIC MANNER— LIKE A SURGEON , HE IS METICULOUS IN HIS WORK— A NEAT PERSONABLE …
Handled our issue with care and diligence. What was great was that they delivered on what they promised. Very satisfied from initial call to completion survey.
The installation techs went above and beyond what was required or expected. They spent a lot of time here and made sure I was 100% comfortable before leaving. Great job!!
The gentleman who came to our facility was very respectful and polite. He explained everything he was going to do for us and was in & out of here in a timely manner. Great company for our needs.
Recently had a service call. The technician performed an outstanding job on rectifying the issue. …
Service response time has always been quick. All technicians that have serviced our facilities have been helpful, knowledgeable and personable. A good company to do business with .
I had there service at my business. when one night someone broke into my store the alarm did not go off and i lost lost of merchandises. I asked for the explainatation from the company, vice president Robert alias bob came to my store and …
Alarm Detection Systems has a very fast response time when you need them. The people are always polite and are always able to explain everything or any of my concerns. They came out and took care of one issue, then took the time to check the entire system.
I have used ADS for a number of years for the security of the company that I work for and from my personal experience I would recommend ADS for your needs. Great people to work with and very prompt.
Very pleased with the speed of the response to question, requests and technical assistance I received. The customer service far better than I normally see in todays environment and when I needed help in making changes the Codechange staff …
ADS continues to provide us reliable and courteous service using well trained technicians and support staff. We remain a loyal customer. Village of Barrington
I switched to Alarm Detection and couldn’t be happier. The first person I met was Janita Schmitz. She is so full of energy and so passionate about her industry and Alarm Detection. She was very thorough about the process. She assured me I …
Technician called first from 15 minutes out and was exactly on time— not coming in last 5 minutes of a four hour window! He was very respectful. Solved the problem my furnace workers had caused and was clean and tidy before leaving.
We met with Heather Walkowiak of Alarm Detection Systems for our home. She showed up on time in fact she was 10 minutes early. She was extremely patient with us and did not push product or services we did not need. The installation was …
Our company has used Alarm Detection Systems for many years. They are always very responsive. Our most recent system check up indicated problems with the alarm and the technician, Ryan, was very helpful in answering questions, and letting us know what we need to do to get it fixed.
Have been a customer for over 20 years. Whenever we have a problem (typically a false alarm requiring a check of a particular sensor)we get a prompt visit from a competent and courteous technician. It’s particularly nice to see someone you have met in the past!
You can trust ADS to safeguard your property but you can also count on them to be helpful and professional. They don’t pass the buck. It really seems like they care about customer service. How strange is that?
When Rodger came out to my house I instantly knew he was an expert in his field and I was in good hands. He recommended some outstanding services and from beginning to end our experience with Rodger and the ADS team was outstanding.
The staff is AMAZING! The gentleman that came out to our site was very helpful and made sure that our issue was solved. We called for our alarm code pad and he even went into the settings to make sure that our keypad sounds every time we press a number. He was helpful, friendly!
Recently had a service call from ADS to solve a technical problem. The representative went over and beyond our expectations in solving the problem. He also gave information to help us communicate with ADS in the future.
We have used Alarm Detection Systems for many years at my office and they have always provided prompt and dependable service! They are very professional as they are in and out of the office areas, quickly and quietly.
I would highly recommend them!
Had a nightmare experience with Protection 1 for over a year and ADS has rescued us. Staff is thoughtful and intelligent professionals. Highly recommend to any one, residential or commercial.
When I called for service they came out the next business day which was fast The tech was very friendly and knew just what to do. great people to work with. We been using them for years.
Alarm Detection System’s service is reliable and timely. Christian, our service pro, is knowledgeable and friendly. Mr. Larson, our sales rep, offers clear information on our current service and advice on upgrades we inquire on.
The representative/technician was very professional and very thorough with the inspection and testing of sprinklers and alarms. Didn’t even realize he was here. I was very pleased with the professionalism.
Thank you, we appreciate everything your company does.
Alarm Detection Systems is the best alarm company around. Sales and service are top notch. They have a monitoring station that is award winning. They are #1. Everyone there is very professional and very knowledgeable. You can’t go wrong with an alarm system installed and/or serviced by them.
Have used Alarm Detection Systems for years. Love the annual service contract which I have not had to use much! Easy to make an appointment with a specific time window and the the technicians are competent and professional. Highly recommend.
We have had outstanding service from ADS for over 25 years. We trust their monitoring service, and appreciate the knowledgeable, professional, friendly service we have received from their installation and support staff.
We recently used ADS for the burglar alarm at our new industrial and office facility in West Chicago. We have had a great experience working with Beth, and the service and follow up from ADS has been first rate from start to finish.
I have used ADS for over 6 years and had a service call. The technician, Israel, was one of the most thorough technicians I have ever had. Great company.
I have been dealing with Alarm Detection Systems for the past couple years for a building that I manage. They are always very professional and on time for their appointment for our yearly alarm inspection. I would not hesitate to recommend them to anyone.
Have serviced our home for 30 years. No problems, very happy with the system. Customer service is excellent and anyone who’s come out to the house to do any necessary work has been great. Highly recommended.
Great customer service and follow-up. Very responsive to customer requests.
I purchased a laundry and dry cleaning business in 2006, Alarm Detection Systems, Inc was the servicer for this business and it was a month to month contract until the equipment started acting up. I called them to fix the issue because the …
Highly recommend. My service tech, Milo is laid back, yet still professional. I truly enjoy our every-so-often visits. Milo never makes me feel like an idiot for asking a million questions and he always makes sure I’m completely …
Israel corrected my fire alarm panel quickly and he was extremely courteous, explaining what was done and what may be needed down the road. Very happy that my town home association uses Alarm Detection Systems. Keep up the great work and customer focus!
We have used ADS for many years now and are very happy with the service and staff. The techs come out and fix most problems right away.The company I work for asks me if I could find a better provider and I always tell them No Way! Keep up …
I have had Alarm Detection Systems for many years and am extremely pleased with the company. When there is a problem and I call them, a technician shows up immediately to check what is going on. When by mistake while the house is alarmed, …
We have used ADS for many years. Not only are they extremely competitive but they give exceptional service. Their service people are professional and knowledgeable and friendly. I highly recommend ADS.
Alarm Detection Systems put a system in my family’s home today, the technicians worked clean and were very courteous. They went out of their way to work quietly while my young children napped. The experience from the sales consultation to the install was excellent.
ADS had a low battery warning on one of are boxes.1st They notified me. 2nd We set an appointment up. 3rd The service tech came out and was on time, polite, and did the job in a timely manor as well as up graded a chip in are other box. Thanks
We have used Alarm Detection Service for over 45+ yrs. We have never had a problem with their services, whether it be repair, extended services and check-ups. Their service people are very professional and supporting when help is needed or we have to understand the alarm’s working.
As a commercial building, we rely on ADS to provide service to all of our fire alarm, building access control, burglary alarm and video surveillance systems. Installation and service technicians are absolutely the best. All service is prompt and complete. Best care anywhere. – Ashland Ventures, LLC – Geneva, IL.
We were considering a number of DIY home security options. At the end of the day, we felt more comfortable dealing on a personal level with local people we could trust. With the support of our friend John Spooner at Alarm Detection …
Great company, great people.
I first came across Alarm detection systems two years ago, and have nothing but …
I’ve been dealing with ADS alarm company for years and I truly like the quick and compleat service that we have received from them.
I would highly recommend ADS for any of your alarm needs.
Keep up the great service!
I am most pleased with the care & efficiency of the service of ADS. When our system seemed to be having some problems they called us right away and their technician came and addressed the issue promptly. I highly recommend this company! Kudos to a very professional staff!
ADS is a great company to work with. When I called for an alarm that went off, Russ came right out to help us with problem and knew right away how to repair it. He also noticed our batteries were about to expire so replace them for us. …
Had (fortunately) a false fire alarm. I had ADS come out to clean all 9 units. Afterwards, upon looking up when hard wired units should be replaced, it appears that 10 years is suggested. Since they were close to 15 years old, decided to …
Just wanted to say that the tech that came out to our facility was very impressive with the knowledge of our system and how to very quickly give us the new setup that we wanted for our panels. I would highly recommend them to other …
My alarm system battery was reading “low” and emitting a beeping sound. ADS left a message on both landline and cell phone letting me know to call for a replacement and made sure I knew it was covered under my plan. Jose arrived promptly …
I’m employed for RiverPlace Condominiums, the service tech came into our facility. He checked out our equipment, conducted himself in a professional manner. After completing his checks responded back to me with his finding, then left to go onto another job. I felt he was knowledgeable and would recommend this company.
We have been using Alarm Detection Services for several years and continue to be extremely pleased with their service and responsiveness. The annual maintenance review which is included in their service plan is always very thorough and it …
We recently required the services of Alarm Detection Services and were particularly pleased with their technician named Carlos. He went out of his way to make many changes to the network to make our system work. Our Alarm system was not …
This company has provided services to our organization for a number of years and I would like to emphasize a number aspects. To begin with, they are very reliable. Whenever, we need technical support they are always available and there are …
Very happy with service provided by ADS and specifically their service representative Paul Torres (#1052). Paul came to our house late in the day to see if he could schedule the no-cost upgrade to our radio since they had been unable to …
I have had ADS security for years. They are very accommodating and professional. If I ever have a problem they come out almost immediately to fix it. The techs are knowledgeable and trustworthy. I highly recommend ADS for your security needs.
I contacted Rodger Plant of ADS to have him contact the office manager of a business I was remodeling. I needed their alarm company to move an alarm head and the company they used didn’t even respond to their calls. Rodger contacted the …
Good luck if you hire these amateurs to protect your home. I had a false alarm at my property which I immediately disengaged. Minutes after alarm had been disengaged I called Alarm Detection Services and was placed on hold. After waiting …
We have had 2 recent needs for some adjustments to our alarm system both times we had a different technician onsite. Each time they have been very courteous, informative and fixed the issue the first time. A pleasure to have customer …
This was one of the very best experiences I have ever had with a vendor/supplier.
First, David was on time and presented with a positive attitude both toward …
OMG Tech Rep. named John was AWESOME!! He was able to help me correct an error on my part of erasing our Master Code and then helped me to install a new user. He was very knowledgeable, patience and pleasant to work with. Thank you for hiring and keeping good personnel in your tech department.
This is a wonderful company with a very professional group of employees who truly care about their clients. We have used them for many years and during that time, it is they who call us to schedule our routine yearly check-up and if I don’t …
Awesome company! So happy we decided to go with ADS. Professional, friendly, responsive company that wants to make their customers happy while providing excellent home security monitoring. This company goes above & beyond. Highly recommend ADS above all other home security companies!
Alarm Detection has provided alarm services for my family for over 30 years. They provide excellent customer service and 24/7 monitoring of our home security system. They provide an excellent value and the comfort of knowing that my family …
Same experience as Rondo. Read the fine print. My business had ADS for our alarm in Palatine. When we moved to Arlington Heights, my neighbor turned me on to an alarm company that was a fraction of the price. Found out my contract …
ADS is a locally owned, family owned business that has provided the alarm service where I work for many years. They are always professional and courteous and through the years have always provided good solutions to our alarm and entry security needs. I highly recommend their services.
Have been with this family owned security company for nearly 15 years so it’s a fine time to honestly rate them. …
Our window cleaning business switched to ADS after years of using another alarm company. They have done a great job being professional and quick to respond to any of our needs at the shop. …
I have worked with many companies and this by far is one of the BEST companies to work with. Every time I call for service they respond in a quick, friendly manner. (It’s so nice to talk to a live person and not an automatedsystem.) From …
We have had a great experience with Alarm Detection Systems. We have been a customer for years. Alarm Detection Systems really does care about its customers. Recently our carbon monoxide detector needed to be replaced. Our technician, Russ, …
I have been with Alarm Detection Services going on 16 years. Over that time, I have had some false alarms and even had the police show up on one occasion.
From the beginning with sales and installation every person we came in contact …
I recently experienced a system issue with one of the zones being monitored by ADS. I could not tell whether the system was working or the battery to the system panel was out. When I called ADS, the customer service representative was very …
I was looking for a security system for my home. I wanted a local company, not a large global company. I did a lot of research and spoke to a few of my neighbors. I landed on Alarm Detection Systems. My neighbors raved about the company …
I had a concern that the transformer for our alarm system was overheating after many years of use. The ADS service technician Russ quickly diagnosed the problem and replaced the unit. He then ran a system check. He was punctual and professional. We are very pleased with the service.
ADS has been “my” security company for both home and business for many years. They are reliable, prompt and stand behind their work. Just had a keypad replaced that was not working properly. Technician was on time, professional and friendly. I highly recommend ADS for anyone needing a security system.
I have used ADS for all of our Commercial Alarms needs for about a year. The staff are friendly and knowledgeable. If you have a specific system they will, most likely, have the right tech. I have been impressed with the quick response, and thorough troubleshooting. Great Company, and Staff.
We are a small business in Elgin, IL, and having great people help make your life and work easier is a wonderful thing. We just switched from another alarm company for our office to ADS, and it could not have been easier! Heather came out …
Have had their home alarm service for years and have been very pleased with their customer service. Anytime I had to contact them, they have been easy to work with and service calls are scheduled promptly. Techs are professional and courteous. Highly recommend ADS!
ADS was on their toes for our alarm system when they advised that the signal back to their control station was lost. We had a new router installed and somehow the connection to ADS was lost. A service rep called immediately to check the …
Exceptional customer service, on site professional Technicians and Russ was very polite explained all the issues, walked us through what he was planning to do to get the issue fixed. He was prompt on time, fast and provided an excellent …
We are very pleased with the service from ADS from the meeting with the sales team, to the installation, and now with the monitoring team. Everyone has been very professional, nice and easy to work with. They were able to meet all of the …
My facility has used ADS for quite a few years now and are very pleased with them. ADS always makes sure we get inspected on time and that everything works properly. When their techs come for an inspection, they work quietly and …
I had an issue with my alarm system. ADS had someone to my house that day. Antonio was very polite and explained everything he was doing. Awesome customer service! …
ADS is awesome. Great service! They are fast, efficient and communicate to the customer. We bought a house with an old system and they worked with us to update it and also fix some issues that were occurring. The techs were all on time, early even and very professional….
We are a new customer of ADS and could not be more satisfied with our transition to their company. We have received excellent service from the first call to the company dispatch center to the high quality and standards of the service …
Our alarm system went into warning mode on 12/27, and I called ADS for assistance. They scheduled a skilled technician to come out that very same afternoon who was able to explain and correct the problem. We have had a great experience …
Last week I had some Internet communication issues with my ADS Alarm system and contacted phone support. The Tech was great, extremely knowledgeable, and very patient while he walked me through some trouble shooting steps over the phone. …
I selected ADS to protect my mother’s home and my home after my experience with them at my employer before I retired from my position as Office Manager. My company had numerous issues with the security system for a couple of years, so our …
Our agency has trusted ADS services for our alarm needs for nearly two decades now, it is difficult to say that for any vendors nowadays. The ADS team is knowledgeable and very responsive. Customer care is top-notch! Thank you & keep up the great work!
Bigger isn’t always better. Thinking largest market share holder might be the way to go when upgrading our system, we did. However and fortunately, we weren’t locked in because I cancelled the service on the last day possible. One of the …
We at Raynor Garage Door Manufacturing have enjoyed many years of excellent service from ADS. As the Facilities Manager here I speak from experience when I say, the whole ADS team is always prompt, professional and courteous. The …
ADS is a local company that we have used for fifteen years or so now. In that time we have had maybe a dozen alarms (all accidental, thankfully) and their response has always been perfect! Their service is excellent. They do all of the work …
We have had ADS protect our home for over 14 years. They are far superior to the two companies that we had before we moved to the Chicago suburbs. They have always contacted us in less than a minute when we have accidentally set off our …
ADS has always been there for us (33+ years). Very professional techs, phone operators responsive, on-time. We have updated our system several times, and used their locksmith services. Everything ‘gets done’ …
Only been using ADS for a little over a month now, but every single interaction with the company is extremely professional. They fix issues right away and are very responsive to any inquiries. Their techs are friendly and helpful, as well.
We moved into the St Charles industrial park just over a year ago, and of course were in need for a burglar and fire system. After a few appointments with other vendors, we decided to have ADS install out systems, along with the magnetic …
I’ve had a great experience with this company from alarm install to minor service issues. The service staff are very friendly and professional. Service is dispatched quickly and the technicians quickly resolve any issues. I’m glad I selected them.