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Merak is an integrated network able to apply the global power of a market leader at each location with an in-depth understanding of the specific requirements of that location. This network provides added capabilities and synergies to perform better. With our global production facilities, we deliver highest local value-added. With global service facilities, we are always close to our customers. Local teams ensure seamless services, every day. In short: the world is our home.

1963 - 1972 Founding and Start up of Merak 1963 Stone Ibérica is founded as a representation office in Spain of Stone International 1965 Start of the commercial activities 1970 Maintenance and retrofit contracts with RENFE 1972 Manufacturing of the first HVAC equipment in Spain 1974 - 2008 Growing and becoming part of Knorr-Bremse 1974 First exports of HVAC equipment 1997 Knorr-Bremse enters the body of shareholders 2000 Stone Ibérica become

Merak unites the power of all Knorr-Bremse Rail HVAC activities. The brand not only combines the values, financial and technological power of the Knorr-Bremse group with the proximity, flexibility, and strengths of all the company's worldwide HVAC locations. It comes up with a unique “all-round” character of this core business unit.

Whether on urban metro trains operating in tropical surroundings, on long-distance coaches in freezing arctic winters, or with sophisticated functionalities for operation in desert landscapes: Merak products cope with all climate zones, all kinds of conditions, and operate equally well in temperatures from as low as -45 °C up to +55 °C.

This innovative technology eliminates more than 99% of air contamination inside train cars.