Uponor head office in Finland
Uponor Group’s new head office showcases the company’s innovative and sustainable technology for comfortable indoor climate.Reference report as PDF
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The Plaza Loiste office building located in the direct vicinity of the Helsinki Airport in Vantaa, Finland, hosts the new Uponor Group head office in a landmark of energy efficient construction. The building is a part of the first BREEAM Very Good certified office complex in Finland, and qualifies also for the A class in the national energy certification scheme. The entire building is equipped with Uponor underfloor heating. Radiant heating is a comfortable, quiet, energy-efficient alternative to traditional systems in commercial buildings. In the innovative Uponor system, the pipes carrying the water for heating are embedded into the building’s structure. In the Loiste building, the system is installed into floors, which act as large radiant heating surfaces ensuring maximum comfort and using minimum energy. Plaza Loiste is one of the first office buildings in Finland where radiators are not used whatsoever. In addition to underfloor heating, the Uponor floors are also equipped with undefloor cooling for base loads and with an Uponor Comfort Panel ceiling cooling system for peak demand. The Comfort panel system uses large surfaces, in this case the ceiling, to make the area comfortable during the hot summer days. All rooms are cooled by circulating water through Uponor PEX pipes embedded in the panels installed to suspended ceiling frameworks. In addition, acoustic panels, which are the visible part of the panel system, are not equipped with pipes, giving the ceilings a uniform look and solid noise absorption. Free and environmentally friendly cooling energy for the Uponor floors is supplied by 11 boreholes under the building, fitted with Uponor’s prototype G12 ground heat exchangers. The Uponor G12 has a unique structure with one central insulated pipe surrounded by 12 outer pipes, which dramatically improves and controls the heat transfer. Thus, the G12 is able to extract more energy per metre of borehole than traditional heat collectors. It is also able to work with a higher temperature span in cooling mode. Plaza Loiste is a pilot project in the Finnish RYM Indoor Environment programme, and as a part of the program, the building’s performance will be extensively monitored and analysed.