The balance of power – modelling a microgrid in Durban, South Africa

Smart grids offer the potential for buildings to generate and store power for future use. Mike Barker MCIBSE, of BuildingPhysics, says it will be the job of engineers to calculate the optimum level of renewables for a building to be profitable. He considers the economic viability of incorporating a microgrid at the Durban International Convention Centre in South Africa

What’s so attractive about magnetic refrigeration?

Magnetic refrigeration has the potential to reduce energy use by 30% and requires no refrigerant. Metkel Yebiyo and Graeme Maidment, of Sirach, describe the technology, its main applications, and the challenges facing firms trying to get the concept to market

Above and beyond – innovation in building photovoltaics

As the 2020 ‘nearly zero’ energy buildings target approaches, Liza Young explores Swansea University’s pioneering research into building-integrated photovoltaics, as well as its unique ways of storing heat for use all year round

Down to zero – winner of Ashrae modelling competition

An ASHRAE competition pitched teams of industry practitioners against each other to come up with the best model of a zero-net energy building. ‘Team IES’ won Best Energy Use and the firm’s Liam Buckley, who coached the team, describes the winning project

The right tool for the job? Testing the BIM Toolkit

The NBS BIM Toolkit is designed to help organisations reach Level 2 BIM, but how does it perform under test conditions? The CIBSE BIM Group used the beta version on a hypothetical junior school project and found issues that urgently need to be addressed. Tim Dwyer reports

Smooth transition – what the ErP Directive means for consultants

Condensing boilers have been mandatory in the domestic market for more than a decade, but it is only recently that the commercial sector has followed suit after the introduction of the ErP Directive. Bosch’s Pete Mills explains what the new requirements mean for consultants