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    NCA Alarms

    4.1 (32 reviews)
    Closed 8:00 am - 5:00 pm

    Services - NCA Alarms

    Security system installation

    Security system repair

    Security monitoring services

    NCA Alarms Photos

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    Photo of Ron P.
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    5 months ago

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    1 year ago

    Great service provider at great cost. Been with NCA for over ten years. ADT is very expensive.

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    4 years ago

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    7 years ago

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    8 years ago

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    9 years ago

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    12 years ago

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    14 years ago

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    13 years ago

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    9 years ago

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    11 years ago

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    11 years ago

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    Photo of Bryan N.
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    12 years ago

    Installer was easy and breezy; loved the experience. It was Simple and Would recommend to anyone

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    11 years ago

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    12 years ago

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    15 years ago

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    Photo of John S.
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    12 years ago

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    Shooter S.

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    12 years ago

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    10 years ago

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    12 years ago

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    12 years ago

    Jerry was amazingly helpful and I would recommend him highly. Made me feel extremely safe and comfortable with the system before he left.

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    12 years ago

    Perfect installation service, good response time, paid for the extras but feel secure!

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    11 years ago

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    13 years ago

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    Ask the Community - NCA Alarms

    Review Highlights - NCA Alarms

    John and Sam were exactly the guys to trust to set up your security.

    Mentioned in 4 reviews

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    ADT Security Services - ADT logo

    ADT Security Services

    (42 reviews)

    (1 Star) This has…read morebeen one of the most frustrating experiences I've ever had with a security company. I signed up with ADT 11 months ago because I wanted a complete home security package, including cameras, alarm monitoring, and a smart keypad door lock that I could lock and unlock from my phone. Within just a couple of months, the smart lock stopped working properly. I could no longer control it from the app. At first, I considered it more of an inconvenience than a major issue, so I didn't immediately call to complain. Unfortunately, that was just the beginning. Since becoming an ADT customer, I have spent countless hours on the phone with technical support trying to resolve the issue. ADT has replaced my keypad door lock five different times, and after all of those replacements, they still have no idea what is causing the problem. Instead of fixing the issue, their solution was to remove the lock from my system, give me a partial credit, and expect me to go purchase and install my own door lock--even though the lock was included as part of the package I originally purchased. I found that completely unacceptable. When I signed the agreement, I purchased a complete security system--not a partial one. I asked if I could cancel my service and move to a company that could provide a fully functioning system. I was told that because the rest of the equipment works, I would still be responsible for paying the remainder of my contract if I canceled. I even asked a hypothetical question: if my cameras stopped working and ADT couldn't fix them, but everything else still worked, would I still be required to continue paying under the contract? I was told yes. Unless the entire system stopped working, I would still be obligated to pay for service even if a major part of the system couldn't be repaired. To make matters worse, several technicians told me they would return on specific dates, but they never showed up. The only way I ever found out what was going on was by calling ADT myself. This ongoing issue has also cost me money. I've had to purchase multiple copies of keys because the locks kept failing. There were numerous times we simply left our doors unlocked because we were tired of buying new keys while waiting for another technician appointment. I also purchased batteries five or six different times, trying different brands because I was repeatedly told the batteries might be the problem, when in reality the issue was the defective lock. Now, after nearly a year of dealing with this, ADT expects me to research, purchase, and install my own replacement lock just so my family can safely secure our home. The final straw came when a representative asked whether I had already scheduled an appointment to have their lock removed. I explained that I wasn't going to schedule a removal until I had purchased a replacement lock because, based on my past experience, their technicians frequently failed to return when they said they would. I refuse to leave my family without a functioning lock because of ADT's repeated failures. I have been far more patient than most customers would have been. I've given ADT numerous opportunities to correct this issue over the past 11 months, but instead of providing a working solution, they've shifted the burden and expense onto me while continuing to hold me to a contract. If you're considering ADT because of their smart home features, my experience should serve as a warning. A security company should provide peace of mind--not months of frustration, wasted time, additional expenses, and a system that never works as promised.

    Deceptive. Manipulative. Dishonest. If you are approached by ADT Safe Haven, save yourself the…read morehassle, run around, and headache. They do not care about customers, do not have professional technicians, and sweep issues under the rug, stringing you along long enough to get you past your 1 year contract with them. I still have faulty equipment, have had SEVERAL service calls, and still have 3 ongoing issues that I've had since the start of my contract, yet I am paying for a service that isn't doing what it is supposed to do: provide security. Seriously the worst authorized dealer, experience, and customer service ever. 10 out of 10 do not recommend. Use anyone else but them.

    FlexAlarms - Your system should be controlled from your phone, not just from your wall.

    FlexAlarms

    (7 reviews)

    Green Hills

    I bought a home in March 2025 where the previous owner had Flex Alarms. We were told by Trent…read morePercival, as was the previous owner, that we could take over the remainder of their contract so they wouldn't be penalized. (March-Sept 2025; they had already paid for 2.5 years) They acted as if this was helping us both out. Then Trent would tell me we will be there on a day at a certain time without asking me first. I had to tell him 3 times that didn't work for me and he couldn't just tell me when he was coming. Once they showed up unscheduled at 7:45am and he texted me that the tech was here. I was leaving for work. 3 other times a tech, Zach, was supposed to come and didn't show up. The front door sensor was broken so it was silently setting the alarm off which wasn't even armed so the police came and multiple times we had to call them off from coming. Jim Anderson, the owner reached out to inform me that if I didn't pay, even though we never had service or even set the alarm, he would be turning me over to his attorney. I explained the situation and even sent him texts proving all this. He said they didn't do anything wrong and asked if we could reset. He didn't care about us or that we were told lies, misinformed, or were trying to help the previous owner not be penalized even though they moved 6 hours away! He has told me I'm not honorable, I'm not following through, and that I will be paying his attorney's fees and costs. Buyer beware!!

    One of the worst companies I've ever worked with. Customer service was horrible. I had to be the…read moreone initiating contact every time. Company customer service will never accept any blame and try to pin it on anyone else they can. Trent Percival was looking to make a quick buck instead of trying to actually help. Never reached out to help until I persistently called to get something done. Wouldn't recommend to anyone looking to have someone that does that their with pride and honesty

    Duncan Security Systems - The Duncan Security Team

    Duncan Security Systems

    (3 reviews)

    I recently moved from the Nashville area and I wish I could have taken Duncan Security with me. I…read morewas very pleased with their company and would highly recommend them. Jody was great helping me with our initial needs and the techs that came out to install the system were professional, willing to answer all of my questions (numerous times until I understood), and very knowledgeable about what they were installing. Another thing that was very important to me was the response time for the call center to contact me when the alarm went off (accidentally numerous of times). It was quick. Within seconds. Thankfully they were false alarms but I knew if I had an emergency they would be quick to respond. AND the call center in US based. The previous person who left a review talked of the contract and not having their money reimbursed. Note that the person broke the contract and didn't have to pay the additional year that really they could have held them to. I'd say that was pretty generous. My experience is that they will work with you if something out of the ordinary comes up - an unexpected move so on and so forth. One thing I don't understand is Yelp shows only one review but if you click on the "reviews not recommended" you will see other reviews and they are all 5 star. I recommend reading those reviews when making your decision. Thank you Duncan Security!

    There is no finer man than Joe Duncan, Jr. He and his team have provided security for my home for…read more25 years. They offer the best in customer service, intelligent planning and installation, and monitoring. I had a question about my system today, and Joe, the OWNER HIMSELF, was here within 30 minutes. Questions answered. My problem(not a systematic one), resolved and I could not be happier. Thank you Duncan Security for the sense of safety and protection you provide. Robin

    Vivint

    Vivint

    (34 reviews)

    It is so odd reading these reviews. I have had numerous other alarm systems in the past and they…read moreare terrific. ADT was still in the 19th century with its products and services. There was none. You had to have someone walk you through how to DIY troubleshooting to no avail and then they charged a fortune to have someone come out. Xfinity was unreliable because unless you have strong internet and not a lot of things connected to it, it works. If however, you have multiple items using the internet e.g. TV, computer, phone, Alexa etc. The signal is weak. With Vivint, I have not had any problems, I love how I can see a video of someone pulling in my driveway. At night the lights on the camera go on and a sensor beeps while it is recording. It saves the video for 30 days and you can download it if you need to. I think people need to be there when it is installed to make sure of placement for inside and outside cameras. I'm not sure I understand the comments about wiring as the only wires that I have are for the outdoor cameras and the doorbell. It would be the same with any other company. As for the technicians, you can ask for an experienced installer. However, I have had a much worse experience with Comcast/xfinity installers.

    Do NOT use Vivint for your security needs! i have been paying $53/month for two years for equipment…read morethat is in a box after moving to a location where I could not drill holes. The technician misrepresented the terms of the contract, so while they are protected it is criminal to pay over $1000 for equipment and 3 years of service while only benefitting from ONE year of service. There are too many other options for your security needs!

    NCA Alarms - securitysystems - Updated September 2026

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