Sembol Insaat, which has carried out important projects in Kazakhstan’s construction sector, completed the construction of Astana Train Station. Astana is the 2nd coldest capital city in the world where the difference between summer temperature and winter temperature is around 70-80 °C. Boreas’s air handling units of thermal bridging classification of TB1 and Samsung’s water-cooled condensing devices from the high-efficiency VRF system DVM water system series were preferred for the Train Station. With the building area of 75,000 m2 and an annual capacity of 12 million passengers designed to meet the needs of the city for the next 20-30 years, the Train Station is the largest and the most modern train station in the Commonwealth of Independent States (CIS) and Central Asia. Boreas A.S. increased its level of performance in Kazakhstan market with the reference of Astana Train Station.