Welcome to Open System Solutions

Latest News & Media

OSS to exhibit at Building Controls

OSS to exhibit at Building Controls

Open Systems Solutions is thrilled to be showcasing its innovative technologies at Building Controls South. Read More

Why OSS?

  • Versatile & Fully Scalable
  • Modular
  • Interoperability
  • Ease of Engineering
  • On-Board Web Server
  • Operational & Financial Benefits
  • Environmental Benefits
  • Support & Customer Relations
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Our Products

  • NeOSS V3

    NeOSS V3

    The NeOSS building management controller provides the latest advancement in building controls technology. Read More
  • Expansion Modules

    Expansion Modules

    A complete range of freely programmable controllers that support various protocols. Read More
  • User Interface

    User Interface

    Our user interface offers of a 7” high grade colour touch screen and visual representation of an OSS building energy management system. Read More
  • Temperature Sensors

    Temperature Sensors

    Open System Solutions offer a complete range of high quality sensors and peripherals for your HVAC applications. Read More
  • Software Products

    Software Products

    Graphical tools and visual programming software to assist with the management of BMS. Read More
  • Converter Modules

    Converter Modules

    Open System Solutions offer a complete range of high quality converter modules. Read More

You're In Good Company...

Group Overview

AEI Group is a leading UK provider of Electronic Manufacturing Services (EMS), bespoke Filtered Connectors and world beating OEM solutions to the Building Controls, Automation and HVAC market. Our extensive range of Manufacturing services and OEM solutions are delivered through our group of companies: Esprit Electronics, Icon Electronics, PCB Partners, AEF Solutions & Open System Solutions (OSS).