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After more than 17 years of experience in well-known engineering companies for tunnelventilation, fluid dynamic simulations, design of fire life and safety equipment in road and train tunnels as well as subway systems Mr. Dipl.-HTL-Ing. Bernhard Höpperger started his own business with TFD Consulting Engineer e.U. in the year 2015.

Our know-how is based on more than 170 projects in 5 different continents.

Mission Statement


The customer is our top priority , customer satisfaction our biggest goal.

TFD Consulting Engineer e.U. is an engineering office for mechanical engineering and specialized in tunnel ventilation. We design customized ventilation systems for tunnel projects. Our experts carry out fire tests to ensure the safety and efficiency of the ventilation systems. We also offer flow measurements to analyze and optimize the air flow in the tunnels. With our experience and expertise, we help create safe tunnel environments during normal operation and in the event of a fire.

We are your partner for high standards and high quality!
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