Cost model: data centre cooling

In this month’s cost model, Aecom’s engineering services cost-management team explores the options for cooling large data centres – from traditional air cooling with chiller and Crac units, to free cooling and water-based systems

Tap Inns and touchdowns: Inside Tottenham Hotspur’s new stadium

The razzamatazz of the American NFL visited north London last month, when Oakland Raiders beat the Chicago Bears 24-21 in a thriller at Tottenham Hotspur’s new stadium. Andy Pearson looks at the remarkable engineering behind the 3,000-tonne retractable grass pitch that enables the stadium to be used for a multitude of events

Teeing up a heat pump retrofit at The Oxfordshire Golf Hotel & Spa

The Oxfordshire golf resort is investing £700,000 in a major services retrofit, including a solar array, that will see heat pumps replace oil-fired boilers and potentially deliver sufficient energy and resource savings to boost annual profits by up to 30%. Alex Smith looks at how the challenges were addressed

Completing the picture – London Energy Map

The London Energy Map project tried to provide a clearer picture of building energy use in the capital by analysing the existing dataset. Dora Ma and Ed Cremin, of Etude, analyse the numbers