4350 Lincoln Hwy. York, PA 17406
Phone 717-577-8262 | Fax 717-755-0897

Commercial building security controls by Controlled Environment Technologies - custom, automated, and efficient.




Providing industry best security controls solutions

Employees, physical assets, intellectual assets - all must be safe and secure. With CET you get a commercial security partner able to design the best in security controls solutions created to protect people, assets, and buildings at all hours of the day.



View from inside a computer monitor with a hand touching the screen illustrating Business Network Security Systems.



Security Systems:

  • Alarm Systems
  • Video Camera Surveillance
  • Fire Detection & Alarm Systems
  • Commercial Alarm Systems
  • Commercial Security Equipment
  • Commercial Wireless Security Systems
  • Interactive, Real Time Security Management


Custom Design


Our experts consult with you and design a custom platform that weaves in what you may already have in place. CET provides the latest technology in alarm systems, video camera surveillance, and wireless systems. Whether you need fire protection, full automation or partial automation, CET knows how to tailor security controls to meet your unique needs. Contact CET for an industry best security management solution for your commercial building.




State of the art technology makes the difference


Our scalable controls systems flex and grow with your business. CET provides our clients with the best industry technology in alarm systems, video camera surveillance, and wireless systems. Developed and customized to fit your needs, CET security controls allow you to tactfully manage all activity within your building. Cameras, monitors, dashboards, and even wireless hand held devices keep you aware of what is going on in your building at all times. Our security controls come complete with an easy to use dashboard that allows you to set the authorizations as well as roles of your employees and co-workers. In case of a security breach, CET security controls make it easy for you to access specific time frames.




Our 24 hour service


Our 24 hour service and 2 hour response time gives all CET customers the peace of mind they require when it comes to their building security.




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Some estimates suggest energy management and maintenance programs can reduce energy use in individual buildings as much as 40%. In fact, the U.S. Department of Energy (DOE) publishes a rule of thumb that operation and maintenance (O&M) programs targeting energy efficiency can save 5%–20% on energy bills with little capital investment at all.

CET gives you the edge in building energy management. Both building and organizational sustainability depend on improved energy efficiency. Let CET help you reduce your environmental footprint, control rising energy costs, and increase your building's value and competitiveness.


Learn more about the benefits
of energy management.

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There may be as many different approaches to building management as there are buildings. Some may view it as simple, programmable temperature control. Others expect comprehensive building management technology that controls hundreds of field devices. No matter where you are on that spectrum, Facility Explorer technology allows you to create a building management systems as simple or as sophisticated as you need. You get flexibility, without sacrificing ease of use and affordability.