Trusted Technology Partners


In 1991 in Aars, Denmark, AirMaster develops smart ventilation units and since then has been evolving with solutions that cater to our behaviour, needs and well-being, and at the same time can be part of the perfect energy solution for the renovation and building projects of the future. With more than 10% of the employees working on development and documentation AirMaster also partners with universities, including the University of Aalborg and the Technical University of Denmark and participates in several research-based projects involving the efficient, decentralised ventilation solutions of the future, making the company a world-class manufacturer.


Danfoss was founded in 1933 by Mads Clausen and was the original inventor of both the radiator thermostat and the automatic differential pressure controller. A key area of expertise by Danfoss is the design, development and supply of control valves. The expansion of the district heating market in Denmark provided the springboard for control valve development, especially in the area of differential pressure control valves (DPCV).

Today Danfoss is a leading manufacturer exporting in more than 100 countries worldwide and is a member of the UN Global Compact which is a non-binding UN pact to encourage businesses worldwide to adopt sustainable and socially responsible policies.

EC Power

Established in 1996, EC POWER is the technologically leading European producer of combined heat and power plants ranging from 3 to 80 kWel. with over 7,500 units already supplied in more than 27 European countries. Over 20 patents are now testament to the unique innovative strength of EC POWER and the German Technical and Scientific Association for Gas and Water e. V. (DVGW) has also certified the unique quality of XRGI® products. The Federal Association for Cogeneration e. V. (B.KWK) has already awarded the XRGI® multiple awards. And the XRGI 9® and the XRGI® 20 have been awarded the ‘Blue Angel’ eco-label.

Gemina Termix - member of Danfoss group

A high degree of innovation has assured Gemina Termix its position as a European manufacturer and market leader in HIUs. Gemina Termix’s direct access to Danfoss’s state of the art heat network technologies combined with Termix’s decades long application and assembly competences makes a winning combination.

The production factory is certified to the ISO/TS 16949 standard which is a technical standard for continual improvement, defect prevention and the reduction of variation originally developed by the automotive industry. The factory is also certified in accordance with ISO 9001 and ISO 14001 requirements as well as the OHSAS 18001 occupational health and safety standard.


Founded by Olaf Kamstrup in Denmark in 1946, Kamstrup is a world-leading supplier of intelligent energy and water metering solutions.

Extensive R & D operations (involving 150 scientists & engineers) and a willingness to investigate non-standard requests from clients, enables Kamstrup to remain a world-leading innovator of intelligent energy and water metering solutions.

All Kamstrup energy meters are produced to Measuring Instruments Directive (MID) approval EN 1434, ensuring that accuracy and quality remain consistent.

Mitsubishi Electric

Mitsubishi Electric is a world-leading supplier of equipment that is designed to cool, heat, ventilate and control buildings. Originally founded in 1921, Mitsubishi Electric has almost 100 years of experience in providing reliable, high quality products. Mitsubishi’s advanced range offers complete design flexibility to provide the perfect internal environment for every building type.

Heat pump technology has been used around the world for decades and Mitsubishi Electric have developed this technology to produce Ecodan – one of the most advanced, efficient renewable heating systems available today.


Founded in 1975 by Berth Nilsson, Värmebaronen is now one of the leading manufacturers of heating systems in Sweden known for their high quality and long service life.

Värmebaronen‘s R&D works constantly to provide heating solutions to market requirements and demand across Europe, Asia and the USA, sharing all the knowledge and experience along the way.

Värmebaronen‘s philosophy is not to be the biggest on the market but to strive to be the best. The extensive product range is designed and manufactured in Sweden, in their own factory giving full control over production and quality.

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