The Dublin Airport’s Terminal 2 is a 75,000 m2 terminal and pier, which provides 19 air bridges for aircraft and is capable of handling 15million passengers every year – roughly 40% of the airport’s total capacity. The terminal construction started in 2007 and in 2010 it was officially opened.  Being an enormous closed public area and housing a large number of people everyday, where the reasons that made it so important to make sure that energy efficiency was as high as possible and that the interior air quality would have to be at its best throughout all the seasons.