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Our comprehensive security systems allow you to control, monitor and protect every area of your business, whether you are on location or not. 

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Manage and connect to your home in an entirely new way. We can find the perfect balance of security, video monitoring and automation for you.

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6 months free monitoring for new clients:  Call for details. 5 year monitoring contract required. Some restrictions apply. Mention promo code 6FREE for offer.

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Best Home Security and Home Automation provider

With DTM Installations as your security partner, it is like having another set of eyes watching over the things that matter to you most – your family and your business.

At DTM Installations, we offer our clients a safer and smarter way to live and work. We use the latest and most advanced technologies to bring you state-of-the-art security and fire alarms systems and add connectivity to your home or business through our interactive automation solutions.

Why Choose DTM Installations? Since 1993, DTM Installations has earned a solid reputation for unsurpassed quality of work, the use of sophisticated technology and 24 hour personalized service.

We realize that each of our clients are as unique as a fingerprint. Each system we install is designed and customized, by one of our expert consultants, to meet your individual needs. From the simplest to the most complex of systems, we can do it all!

Taking Your Home or Business System to The Next Level: Smart home technology is no longer a futuristic idea. With the latest cutting edge technology, we can give you complete control over your security system, from anywhere in the world. You can also gain remote access to other features of your home including lights, locks, thermostats and cameras.

We serve the following communities and their surrounding areas: Airmont, Bardonia, Blauvelt, Chestnut Ridge, Congers, Garnerville,  Haverstraw, Hillburn, Hillcrest, Monsey, Montebello, Mount Ivy, Nanuet, New City, Nyack, Orangeburg, Pearl River, Piermont, Pomona, Sloatsburg, Sparkill, Spring Valley, Stony Point, Suffern, Tappan, Thiells, Tomkins Cove, Valley Cottage, Viola, Wesley Hills and West Nyack  

Call (845) 429-7100 for a free site evaluation and find out how we can customize and design a system which is right for you.

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DTM Installations Blog

August 18th, 2016


Immediate employment opportunity. Looking for qualified security /fire alarm technician. Positions are full-time and available at both our Rockland & Orange County locations. We offer top compensation and benefits, including; health insurance, 401k and paid vacation. A minimum of 3 years’ installation experience and a valid Driver’s License required. If you are interested and meet our qualifications, please forward your resume to twarren@nassecurity.com.

July 26th, 2016


Your first step when buying a new grill is to read the owner’s manual to understand how to maintain, assemble, use, clean and store your particular grill….

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