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

The final word – modelling fluid flows

Past CIBSE president John Swaffield died before he was able to finish his second work on modelling fluid flows in building drainage systems. Michael Gormley, who helped complete the book, explains why the author’s final contribution to the industry is an essential text

A higher authority – upgrading valves at Chiswick Park

Pressure independent control valves can offer extensive energy benefits according to manufactures. Frese has fitted 1,060 units to an office building at Chiswick Park, so Tim Dwyer spoke to managing director Stephen Hart to find out more

Build tight – ventilate right?

Indoor air quality in housing is being compromised because ventilation scenarios in Building Regulations are not realistic, says Strathclyde University’s Stirling Howieson, who co-wrote the paper that won the 2015 Napier Shaw Bronze Medal