H+H SCR Technology for lower NOx emissions

  • NOx Reduction by SCR Catalyst on Ships

    Marine SCR Systems

    With almost 30 years of experience we serve more than 300 ships in service with more than 800 engines.

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  • Your effcient partner for industrial applications


    Stationary combustion engines are subject to strict legal guidelines, demanding the implementation of efficient measures to reduce emissions, while maintaining the best possible levels of performance.

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  • Maximize crop and plant growth

    CO2 - fertilization

    The H+H fertico2 System cleans the exhaust gas from your engine, so it can be used to fertilize your plants.

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  • Personal and reliable


    Our personal support and service does not end with the sale of a SCR system. Our competent and reliable service engineers will always take care of your needs.

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Perfect planning from the very beginning

H+H – Consulting & Planning

For perfect results, we focus on excellent planning. For us, customer 
satisfaction begins with consultation and with detailed planning, that takes your requirements 
into account from the very beginning. This is how we create innovations and solutions that 
are perfectly customized to your needs and guarantee reliability for our customers.

This is ensured by competent employees who support you throughout the entire project 
phase and combine extensive know-how with the best advice. 

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Your career at H+H

It is a pleasing circumstance, but it also
brings challenges: H+H is growing!

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