What is the most efficient system for heating zero carbon homes?

What is the most effective way of heating our future zero carbon homes? Chris Twinn has been researching the issue for five years and has found that standalone ‘autonomous’ heat recovery systems offer the most benefits when considering high-density homes

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

One step closer to net zero?

Government proposals for improving energy efficiency in buildings show signs of ambition, but regulations need modifications, says Julie Godefroy

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

A condensing guide to CHP efficiency

CHP can offer savings in applications with high, constant heat demand, but how designers integrate it will impact on the benefits. Remeha’s Ryan Kirkwood considers the options in the first of a two-part series

Rewriting the rules for housing

Government is consulting on a number of building-related issues addressing safety and climate change, while the Queen’s Speech hints at future legislation supporting Dame Judith Hackitt’s recommendations, says Hywel Davies

Case study: One Angel Square, Northampton

Robust modelling and an intelligent redesign enabled BDP to retain natural ventilation in Northamptonshire County Council’s new offices. Andy Pearson finds out how collaborative value engineering resulted in a CIBSE Building Performance Award