Northern star: Sheffield's new winter sporting arena, iceSheffield, has been equipped with a web-accessible hvac control system by m&e services contractor N G Bailey. The £15.7 million arena contains two Olympic size ice rinks and seating for over 1500 people. A Cylon Building Management system will control the chillers, boilers, domestic hot water, air handling, humidification and dehumidification plant and lighting through Tridium's Niagara framework.