Free cooling in the extreme cold

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BTS sites in Norway are blessed with ideal temperature conditions for utilising energy-efficient free cooling to remove excess heat. However, the cold is not entirely a blessing, since the winter season creates serious challenges with severe snow, frost and limited access.

Norwegian Telecom operators were looking for an energy-efficient, reliable way to remove heat from their BTS sites. Traditional free cooling, was ideal in principle, since the ambient temperatures of this region are almost always lower than the internal temperature set point. However, the solution also led to a series of challenges to be considered.

Dantherm developed a customised free cooling solution capable of withstanding these harsh conditions – a solution now installed at more than 2000 sites in Norway.

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