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

An official Johnson Controls contractor, CET provides the best Building Management System software and technology available. We provide 24 hour service with an efficient two-hour response time.

Controlled Environment Technologies is a trusted building management systems company.

CET provides building management systems for any sized building. From design to installation to commissioning and testing, CET gives businesses top-of-the-line turnkey service along with fully configurable control customization. If you have a problem, we know how to dig in, find a solution, and fix it. Whether you need something simple such as temperature or lighting controls or something complex in order to control hundreds of field devices, CET provides the perfect building management solution. Need entire building, HVAC, lighting, or security controls? We're qualified, experienced buildings management systems experts. Let us retrofit your older technology and bring your systems up to speed. We are your indoor air quality control and energy savings expert.

A one panel view of the HVAC Control System software interface.

With CET building controls systems you can:

  • Improve energy efficiency
  • Reduce operating costs
  • Improve comfort
  • Preserve technology and increase equipment life
  • Save installation and commissioning time
  • Identify problems quickly
  • Reduce maintenance costs
  • Improve productivity


CET environmental controls combine the convenience of automation with information technology systems allowing you to control your building off site. Automation combined with higher level visibility into building operations means you can resolve problems faster, maintain occupant comfort, and conserve energy. Every piece of information you need to manage your building is right in front of you on a easy to understand dashboard.


CET systems and service are easily scaled. You can continuously upgrade and expand your building with peace of mind knowing your control system has the capability to grow with you. CET stays up-to-date concerning the latest developments in the commercial building management system industry to ensure your building is protected and energy efficient both today and tomorrow.

Controlled Environmental Technologies Inc. proudly serves the following industries:

  • Industrial
  • Healthcare
  • Pharmaceutical
  • Education
  • Government
  • Commercial

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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.

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.