Since 1816, the name Haden has become synonymous with quality, technical expertise and innovation in the design, installation and maintenance of mechanical engineering and air conditioning. From preventative maintenance programmes and building management systems to retrofits and multi-million dollar installations, Haden works closely with its customers to design and develop energy efficient, cost effective and sustainable installations and maintenance regimes. A part of the ASX-listed Norfolk group of companies, Haden today operates from more than 40 branches throughout Australia, New Zealand and Asia with more than 1000 employees and a revenue in excess of $240 million for the 2011/12 financial year.