Probably my worst experience with any service provider in US. We put the system before relocating to England for a year. Three faulty alarms resulted in huge fees from police and ADT refused to fix it. Now we are moving for good abroad and they want to charge us $300 to cancel the service. My advice – never work with them. Once we are back this is the last company I will be contacting.

I have been an ADT customer for 15 years and 2 weeks ago I found out my alarm was not communicating with them so I called for repair. They told me nothing was available for 2 weeks so I set a date and was told someone had to be home from noon until 5PM. Appointment day at 4:14PM I call them and ask where the tech is. They have no clue and tell me they will reschedule for another 2 weeks out. I tell them to cancel my service and then they tell me I WILL OWE THEM FOR 30 MORE DAYS OF MONITORING after shut off. It doesn’t work – they fail to honor the appointment they set up and they want me to pay for 30 more days? Of course there is no supervisor available to talk to me but they could have one call me back in 24 to 48 hours. What an unethical unresponsive company. Never do business with them.
The company’s long history in the industry and 24/7 customer support are a great incentive to customers looking for a reliable home security system. Additionally, ADT’s six monitoring centers ensure that in the event that a center goes offline for any reason, the call for help is automatically routed to the next available center. Thus, your family will always be protected. 

ADT is one of the most trusted home security companies in the U.S., with over 140 years of experience. Its home security systems can be monitored via the app, and are fully customizable, featuring a variety of different options besides burglary protection, such as flood detection, and smoke and heat sensors. ADT Monitored systems can be controlled remotely via the ADT Pulse (R) app.
After being a customer for the past eight years, I tried to upgrade. My monthly price had exceeded $60 a month with old features. I scheduled to installs with the sales department. After hanging up the local office calls to confirm appointment they told the tech will collect the total payment. I said this was not agreed upon. Each time I had to call Customer service to try and straighten it out. Its been a total nightmare.
If you do provide your address to the receptionist, the sales consultant will work to put together a security package and schedule a technician’s on-site visit. During this walk-through, the technician will provide recommendations on ways to improve your security solution with additional features. These upgrades and additions fall outside of the initial price of the system, so carefully consider the additional cost and value to you before signing the agreement. Once the paperwork is complete and you’ve signed ADT’s three-year service contract, the technician will install your system. After the initial 3-year period, your contract will renew on a month-to-month basis. To cancel, you will need to provide 30-day notice of intent to terminate.
Vivint offers a month-to-month contract, but you’ll need to purchase all of your equipment upfront to open up that option. Like most home security companies, Vivint’s equipment can be costly, and paying at least $600 at the time of purchase might not fit into your budget. If you can swing it, however, month-to-month service is more flexible than a long-term contract — and helps you avoid potential termination fees.
ADT may have steep early cancellation fees and long contracts, but it also offers some of the best customer guarantees.* The Theft Protection Guarantee protects you if your home is burglarized while your system is armed—ADT will pay up to $500 of your insurance deductible in that case. The company also offers a six-month money-back guarantee and a mover’s guarantee that keeps you from incurring extra equipment costs if you move after being an ADT customer for at least two years. *Certain terms and restrictions may apply. These guarantees may change at any time, so make sure you check with a representative for more details.
Thanks Joanna. That is up to you! They are the best for average consumer meaning: Don't want to install your own, want peace of mind and a company you can trust. They won't be selling your services to a different third party company like so many others. You can compare ADT to Vivint, Monitronics which are the other 2 big dogs in the professional install industry. Best of luck in choosing.

I had the standard alarm system for my house. There were several reported criminal activities in my neighborhood with loss of property and sense of safety. I called ADT to upgrade my system for many reasons including I was going away with my family and it was time to protect my property.They came out and installed sensors and a camera so I could take a quick look around the house from anywhere on my laptop.I can leave home without fear that the alarm will alert the police and I can take a picture of any unwanted intruder in the house.
ADT offers 24/7 professional monitoring of your home security system 365 days a year. Beyond its most basic equipment package and monitoring plan that look like the rigorous security systems of the latter part of the 20th century, ADT now also offers home automation through its app, ADT Pulse. This includes a control panel with Z-Wave compatibility, giving you the flexibility to add whatever smart home devices you’ve already got in play, from lights and locks to appliances.
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