Just days before Christmas, Mitsubishi Electric, one of the arms of the Japanese multinational, announced a tidy acquisition in Ireland. Crystal Air is an air-conditioning installation and maintenance company that has operated for nearly 30 years, building various types of ventilation systems. The Co Kildare company serves multiple sectors (including air conditioning at the K Club) but nowhere has its technology become more essential than in the data-centre sector. According to Mitsubishi, the addition of Crystal Air will enable the multinational to “meet the growing demand for IT cooling for data centres across Europe”. It described its air-conditioning and refrigeration…