Northwestern Ohio Security Systems, Inc.

Existing Security Systems

Get In Touch With Our Security Experts 1-800-833-6416
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Recently move in to a home with an existing NWOSS system?

  • Monitoring rates start at only $29.95 / month. Our team of experts can quickly get the system activated for you or answer any questions you may have.

How Your NWOSS System Works How to Get Started

Have an existing system with another security company?

  • Our equipment is compatible with most other systems. We make switching easy and affordable.


Interested in upgrading your existing security system?

  • Upgrade to Cellular Technology: Not only is cellular safer than traditional phone lines, you can save money by eliminating your home phone bill. Cellular Monitoring rates start at only $36.95 / month.
  • Increase Protection: Whether you’ve recently remodeled or just want to add devices to your system, we can help. Check out our list of Equipment We Offer.
  • Upgrade to the Virtual Keypad™ App: The Virtual Keypad™ App (for iPhone/iPad and Android) gives you remote access to standard security system features such as arming/disarming, checking status, area arming and output control. With its easy-to-use interface, you can also remotely control lights, thermostats, door locks, and cameras. No smartphone? No problem! You can also access the Virtual Keypad™ online from any browser.

Talk with one of our residential security specialists regarding your existing security system: 1-800-833-6416

How To Get Started

Contact Us

Call us directly at 1-800-833-6416 or Email Us and we’ll get back with you right away.

Free In-Home Evaluation

Because no two families or homes are alike, we can create a customized solution just for you.

Design Approval

At your in-home evaluation, our specialist will work with you to design a system to fit your needs.


A trained professional will install your system as soon as possible.