ADT

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3484 Old Columbia Pike
Ellicott City, MD 21043

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(443) 288-6023
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Reviews
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Best

I had ADT set up with a house alarm for our new home. The installer was very helpful and informative, he explained to us what a great benefit it was having a home security system ...

Worst

All reviews seem positive

great benifit 8/25/2011

I had ADT set up with a house alarm for our new home. The installer was very helpful and informative, he explained to us what a great benefit it was having a home security system to protect or property and it just give us peace of mind. more
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service call response 8/20/2011

ADT is the best company when it comes to security. They have a lifetime warranty on all equipment, 36 hour service call response time (try getting those other companies to do that) world class service!! more
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granted safety 5/6/2011

ADT has been the most valuable investment I've made for my family. I cannot just take for granted the safety of my family's safety, This is a good investment,, really. You should get one for your family. more
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My life has changed 5/3/2011

I find ADT’s alarm system very helpful. Every time I go out working, no worries would ever come to my mind. Thank you ADT! more
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Useful! 4/5/2011

I am very grateful to ADT for finding the crook in our house before it was too late. Since we both are working, it was difficult for us to leave our daughter Cindy, alone at home. We found a babysitter, Emily for her. more
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It saved my daughter 3/31/2011

ADT's critical conditions system saved my daughter’s life! My daughter was home alone and left some dinner heating in the oven. The heat from the system triggered the alarm to go off and within minutes a fire truck was on its way to our house. more
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working great 3/11/2011

I am satisfied with ADT's security cameras. Working great knowing it has been with us for already 2 years. more
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I was amazed 3/7/2011

The installer or our burglar alarm or monitor came as scheduled. I was amazed or fascinated on how loud the alarm is in case there’d be break ins etc. Anyway, I would like to recommend ADT. I got mine for only $42.99 per month since I got the $299 installation fee. more
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Well done ADT 3/3/2011

We had an ADT alarm system installed last month. Installation was done well and the alarm service is working perfect. We love the chime feature that lets us know when the kids are coming and going. I never thought I would come to rely on this system so quickly. more
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This is my only Choice 3/1/2011

ADT is the best company when it comes to security. They have a lifetime warranty on all equipment, 36 hour service call response time (try getting those other companies to do that) world class service!! what do you expect? ADT is securing the White house, The Pentagon, and Fort Knox!! Everyone i have talk to that has ADT (about 100 people) has the same feeling about this great company. remember, people only like to talk when they have a bad experience, very seldom do people share their good ones. Thats the only reason these other reviews are bad, not because ADT is a bad company by any means. more
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The best! 2/25/2011

ADT is the best company when it comes to security. more
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Additional information
  • Hours: Mon. - Fri. 7am - 9pm;Sat. - Sun. 7am - 5pm
  • Payments: American Express, Diner's Club, Discover, Master Card, Visa
  • Neighborhoods: Ellicott City
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