If you have any questions or would like to learn more about our products and how we can assist you, please feel free to call us.
For the latest documentation, please refer to the specific product pages on this website.
To return a product, you must request a Return Authorisation Number by first contacting your sales contact or distributor.
Open System Solutions (OSS) is the fastest growing brand of building controls and underfloor heating & cooling systems throughout the UK and the global market. The company was established in 2006 and to date has continued to deliver innovative and sustainable energy solutions.
Open System Solutions Limited
Unit 33 Mitchell Point,
Ensign Way, Hamble,
Hampshire, SO31 4RF
AEI Group is a leading UK provider of electronic manufacturing services (EMS), bespoke Filtered Connectors and world beating OEM solutions to the building controls, HVAC and underfloor heating & cooling markets. Our extensive range of manufacturing services and OEM solutions are delivered through our group of companies: Esprit Electronics, Icon Electronics, AEF Solutions & Open System Solutions (OSS).
