The story: Founded in 1874 by Edward Calahan. They started out as a messenger/alarm service but quickly added fire and local authorities. In 1909, they were purchased by AT&T (a name you surely recognize). Shortly thereafter, AT&T sold ADT again. Fast forward some years to 1969 and ADT went public. In 1984, the were renamed and ten years later passed their one-millionth customer. In 1997, Tyco International Ltd. bought them out and since then they have acquired dozens of Ma & Pa security companies as well as big ones such as Brinks and Broadview Security.
We had the worst time when we moved. It's a really long story, but the cliff notes version is that they said it would be an easy transfer and offered approx $400 worth in services. The control box and the keypad device both came with nearly dead batteries. 2 separate occasions they started beeping in the middle of the night. ADT told us to go to Radio Shack to get the batteries....we went there, Amazon, ebay, etc. and no one sold them. The system couldn't be accessed on our phones either. The device kept making us test and re-test and still wouldn't work properly. We had 3 technician visits and 6 months with a system that wouldn't work. They won't let us cancel. We're stuck in a 2 year... Read More
So I have a ADT Alarm System in my house that was already here when I moved in and recently today the power randomly went out and came back on which I guess rebooted the system. I decided to step outside to see if everything was okay and when I opened my door the alarm went off and was extremely loud.. I held my hand over the speaker to kill most of the sound and decided to call ADT because I didn't know what to do I never had this happen to me before. When I called ADT the guy told me someone can come out tomorrow to take a look at it and stop it from making noise but I had to pay $100. This is for a security system I didn't set up, so I just had my husband unplug everything for now. Going to have the ADT rep still come out and see how much it would be for a new system to be put in. Most people probably don't fall into this situation but hope it helps nonetheless.
ADT is a trusted name, which is what keeps them at the top of the security game. However, there are a lot of new players that are giving ADT a run for their money. If you want home security that comes with years of experience and expertise—this company has had more than 140 years to hone its home security know-how—ADT is a solid choice. But costly packages and upgrades can put ADT out of reach for some home security shoppers.
One of the biggest features for any home security system is the ability to sync it with your other smart home devices. With ADT Pulse, you can pair your system with gadgets like smart locks, smart thermostats and video cameras. The biggest benefit is that you can control all of these devices right from your smartphone with ADT Pulse’s app. You won’t stress about whether or not you forgot to lock the front door before heading out — you can lock it on the go with the push of a button.
I canceled my account with ADT back in June, and it is now November and they are still sending me voicemails, invoices, and threatening to send me to the debt collection agency!! Every two weeks, I call ADT so that THEY can FINALLY cancel my account, and EVERY SINGLE time they apologize and assure me that the account has been closed and that I will no longer receive emails, invoices, and threats. BUT not even 48 hours later, I will still be receiving calls, voicemails, emails, and threats.
It's hard to beat the biggest and best. I started out with Guardian but worked my way over to ADT for practical reasons. Lots of companies aren't nation wide so if you have to move (like we do my husband is in the military) it is too much of a pain to try and get out of contract etc. My advice is go with a national company so you don't have to pay any early termination fees.

I was told by moving we did not extend our contract. After moving a 2nd time I learned it was renewed without my notice. I signed a waiver of installation but it was changed to a contract magically. We pay for security when in fact we are paying the thieves. Absolutely no integrity about ADT whatsoever. No punishment for the representative who lied either. Probably promoted for a good steal
I loved have the security of the ADT system. We had it in our old home before we moved! I was very secure when we were in the house and had the alarm on. I was comfortable leaving our home with the system armed and felt my home and household contents were safe. We had the system for more than 10 years and had no problems. A few battery replacements was all. They called every time we had a false alarm, which was usually our error. I loved the feature of the disarming the system but entering a trouble code. That made me feel extra secure. ADT kept my family safe and our house secure.
Some DIY systems are self-monitored, which means you'll receive alerts when devices are triggered, but it's up to you to contact the local authorities if there's a break-in or a fire. However, DIY vendors are increasingly offering professional monitoring services; some require a contract and some allow you to pay as you go so you're only being monitored when you need it, such as when you're away on vacation.

Agreed, thanks for the research on this company. You guys pointed out several things I didn't know or hadn't thought of. The only reason I was maybe not going to get ADT was because it seems 'generic' but they seem to have the best equipment and their contract states they won't raise your monthly price so all around worth it. After calling a few other companies as well I feel much more comfortable with ADT's reliability.


So glad I read your review because I have been going back and forth what cameras should I get. Really didn’t want an adt camera because my contract start all over again locked in for 36 months again and what if I didn’t like the cameras then I just stuck with it or pay a very high break contract fee. I think I will try some stand alone security cameras for now.


Average contracts: Customers sometimes complain that the 36-month contracts for ADT monitoring are too long. We should point out that a 36-month contract is fairly standard in the home security industry. However, customers who care about shorter contracts with more flexibility could look into other companies. For example, Vivint customers who pay for all their security equipment up front don’t need monthly contracts, and Link Interactive offers shorter contract options (starting at 12 months).
Then he tells me I get two free sensors with my package and must purchase each additional sensor.  Ordinarily, I would understand this, but when I spoke with the sales rep, he promised 7 sensors with my package at no additional cost.  There’s my third issue.  The sensors are $150 each but you can buy them online for only $30 to $50 and are exactly the same but you have to “learn” them into your panel, which the installers will not do (understandable, sure).
Link Interactive offers 12-, 24-, and 36-month contract options, which makes it great for renters and anyone who isn’t ready for a long-term commitment. Alarm monitoring prices start at $31 and go up to $41 per month, making it more affordable than Frontpoint or Vivint and one of the more competitively priced professionally monitoring services on our list.
Bad customer service. Be careful when you sign the contract with this company. It’s a bait, always overcharge. You want to cancel! No way! You will pay for the cancel fee. A lot money. I will tell to all my friends, my family friend and the world. Don’t trust and don’t use this company. I’m sure I will never stay with this company after my contract. Liar and cheaters!
ADT was officially ready to protect your home using ADT Canopy. Canopy is a contract-free offer with the option of self-installing equipment. The first available integration included LG’s Smart Security camera, which was discontinued less than a year after launch. While the future of ADT Canopy is unclear, it’s possible that some options may be coming soon.
* $100 Visa Gift Card fulfilled by Protect Your Home through third-party provider, Mpell, upon installation of a security system. Shipping and Handling Fee applies. ADT Pulse Interactive Solutions Services, which help you manage your home environment and family lifestyle, requires the purchase and/or activation of an ADT alarm system with monitored burglary service and a compatible computer, cell phone or PDA with Internet and email access. These ADT Pulse Interactive Solutions Services do not cover the operation or maintenance of any household equipment/systems that are connected to the ADT Pulse Interactive Solutions Services/Equipment. All ADT Pulse Interactive Solutions Services are not available with the various levels of ADT Pulse Interactive Solutions Services. All ADT Pulse Interactive Solutions Services may not be available in all geographic areas. You may be required to pay additional charges to purchase equipment required to utilize the ADT Pulse Interactive Solutions Services features you desire. Installation starts at $199. Burglary, Fire, Carbon Monoxide and Medical Alert monitoring requires purchase and/or activation of an ADT security system with monitored Burglary, Fire, Carbon Monoxide and Medical Alert devices. Fire, Carbon Monoxide and Medical Alert services are an additional charge. Quality Service Plan (QSP) is ADT's Extended Limited Warranty. 36-month monitoring contract required from $51.99 per month, ($1,871.64), including Quality Service Plan (QSP). Additional charges may apply in areas that require guard response service for municipal alarm verification. Prices subject to change. Prices may vary by market. Some insurance companies offer discounts on Homeowner's Insurance. Please consult your insurance company. Local permit fees may be required. Satisfactory credit history required. Additional monitoring fees required for some services. Photos are for illustrative purposes only and may not reflect the exact product/service actually provided. $99.00 Customer Installation Charge. 36-Month Monitoring Agreement required at $36.99 per month ($1,331.64), 24-Month Monitoring Agreement required at $36.99 ($887.76) for California, including Quality Service Plan (QSP). Form of payment must be by credit card or electronic charge to your checking or savings account. Offer applies to homeowners only. Local permit fees may be required. Satisfactory credit history required. Certain restrictions may apply. Offer valid for new ADT Authorized Premier Provider customers only and not on purchases from ADT LLC. Other rate plans available. Cannot be combined with any other offer. Licenses: AL-17-1104, AZ-ROC217517, AR-2008-0014, CA-ACO6320, CT-ELC.0193944-L5, DE-07-212, FL-EC13003427, DC-602513000006, GA-LVA205395, ID-ELE-SC-39312, IL-127.001042, IN-City of Indianapolis: LAC-000156, IA-AC-0036, KY-City of Louisville: 483, LA-F1082, LA-F1914, LA-F1915, ME-LM50017382, MD-107-1626, MA-1355C, MI-3601205773, MN-TS01807, MS-15007958, MO-City of St. Louis: CC354, St. Louis County: 84959, MT-247, NE-14451, NV-68518, City of Las Vegas: 3000002944, NJ-34BF00021800, NM-353366, NY-Licensed by the N.Y.S. Dept. of State UID#12000317691, #12000286451, NC-1622-CSA, OH-53891446, City of Cincinnati: AC86, OK-1048, OR-170997, Pennsylvania Home Improvement Contractor Registration Number: PA022999, RI-3582, SC-BAC5630, SD-1025-7001-ET, TN-1520, TX-B13734, ACR-3492, UT-6422596-6501, VT-ES-2382, VA-115120, WA-602588694/PROTEYH934RS, WV-042433, WI-City of Milwaukee: PAS-0002790, WY-LV-G-21499. 3750 Priority Way South Dr. Suite 200 Indianapolis, IN 46240.

My upfront costs were high compared with the competition, and even if they'd come in at ADT's more average price of $1,100 to $1,500, I still would have choked a bit. But as you'll see below, mine is a fairly decked out example of an ADT installation. While I wasn't thrilled about the very expensive startup charge, the monthly dues seem reasonable considering what was installed. And while my addition of the Quality Service Plan cost me another $11 per month, I felt that was worth it since it covers parts and labor on any devices that need fixing; and besides, I received a $7 and change monthly discount because I'm a State Farm customer, a discount that'll apply to you, too, if you use not just State Farm, but also USAA, MetLife, Chubb, and several other insurance providers. That brought me down to just under $64 per month, which I feel is worth it.
I know a lot of people complain about the $99 installation fee but trust me, if you have ever tried to install one for the first time...$99 is a cheap price to pay! I wish I would have paid someone to install mine for me. It was a headache to do! Anyways, I'm with ADT and it's a great system for my family. Never had a issue them and I don't have a problem with their equipment. It does the job!
I have had ADT since 2002 and as of today I'm canceling the service! After a recent move, they tried charging me more money for less equipment, sent me a bill for over $400 because of "early cancellation" although I had an appointment scheduled for a new installation, and removed a payment from my bank account after the service had been discontinued. They gave us a huge hassle for stopping service at a house we no longer lived in! Anything (equipment changes, moves, etc.) starts a new three year contract. In the amount of time I have had ADT services, I could have bought and paid for multiple, more cost effective services, not to mention the level of customer service. I am done!
I am very upset with my ADT experience and contract. Your sales rep Daehan J gave me inadequate information regarding your ADT service and contract. I was very upfront and concerned about switching from Safenet to ADT because I was planning on moving the following year. He ASSURED me that the move of equipment, install and monitoring fees would not incur additional charges! He also did NOT disclose that there was a 36 month contract or an early termination fee. If I was properly informed of incurring additional charges for my move, I would NOT have switched security companies as my contract with Safenet was complete. In order for me to set up a new security monitoring system at my new place of residence, I received an estimate for $461. I discussed with Brad B, another sales rep of ADT corporate and he did help bring down the price but not after over 3 hours of 6 different customer services representatives. I am not pleased with your company nor ADT. Even though Daehan was working for an “authorized ADT dealer”, he is still representing the ADT BRAND.
I have ADT at my home and I really like it…THey are quick to call me if there is any trouble and they will come out and fix anything that is out of whack. I would recommend them to anyone for the response time and the security feel.The only issues I have had with them are the window alarms dont get them if you dont want to go home everytime it thunders..wow that was nuts..And the price seems to be a little steep..But I will keep them for my familys peace of mind..
We originally used ADT in a former home, and eventually switched to a different provider after a false alarm occurred while we were out of the country. Upon our return, ADT technicians were never able to determine the root cause of the issue. The new provider that we used wasn’t perfect either, but I felt that their customer service and the technology were far better than our collective experience with ADT.

To protect your privacy, Zmodo apps and Indoor/Outdoor Wireless Kit devices connect to the Zmodo servers using bank-level AES 256-bit encryption and Transport Layer Security (TLS). All video and pictures are secured with AES 256-bit symmetric-key encryption. Only the customer can decrypt and view the video through approved clients (our mobile and web apps) with their account credentials. The Zmodo Indoor/Outdoor Wireless Kit also has perfect forward secrecy, using AES 256-bit private keys for key exchange with the Zmodo servers. We also employ other security measures to protect private data, such as secure HTTP access (HTTPS) using TLS/SSL, and more.
ADT was officially ready to protect your home using ADT Canopy. Canopy is a contract-free offer with the option of self-installing equipment. The first available integration included LG’s Smart Security camera, which was discontinued less than a year after launch. While the future of ADT Canopy is unclear, it’s possible that some options may be coming soon.
The most common type of motion sensor is the infrared sensor. These sensors emit infrared light and are triggered when they detect body heat. They identify intruders by comparing the heat of inanimate objects with the heat of anything moving in its field of detection— like a human. Many motion sensors are designed with Pet Immunity to avoid false alarms being triggered by small pets in the home.
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