8 CONTENTS News Features 7 News 22 Role models Trade bodies say no deal Brexit will cost 12bn; CCC wants overheating in strategy; Barnet scheme goes electric; high-rise boilers breach regulations 14 CIBSE news BPA deadline looms; Baroness Brown is Build2Perform speaker; enter SFE Faade of the Year; Intelligent and responsive buildings research (page 19); CIBSE seminar on avoiding overheating (page 21) Voices 16 Nearer to zero Hywel Davies considers what the net-zero carbon emissions target might mean in practice 18 Book review Julie Godefroy reviews Fionn Stevensons new book Housing t for purpose: performance, feedback and learning 20 Q&A ECA s Luke Osborne explains what can boost electric vehicle uptake in the UK CIBSE HVAC Systems and Building Simulation groups explore advanced building systems modelling 25 Servicing the circular economy How services engineers can accelerate the transition to a circular economy 49 Cost model Aecom examines the capital costs of delivering a heat pump energy system 53 Challenge accepted To streamline the concept design stage for building services, four teams took part in a challenge to automate common project workows, as Carl Collins explains Andy Pearson speaks to CIBSE award-winning low-energy design consultancy Warm, which has its roots in Passivhaus Liza Young explains the vision behind Max Fordhams Passivhaus house 40 COVER FEATURE Piers review Architect Foster + Partners has now fully integrated environmental engineering in its design studios to optimise building performance, as Alex Smith reports 44 All things considered Alex Emms compares lead-acid and lithium-ion batteries SPECIAL FEATURES Air conditioning, air movement and ventilation; heatrecovery systems 59 Cooling news A round-up of air conditioning project and product news 62 Air of intelligence Benjamin Jones looks at the denition of smart ventilation 28 Quality as standard 34 A human touch Technical 64 Opening remarks Designing adequately sized windows for natural ventilation 20 66 Effect of indoor CO2 How higher CO2 levels impact health and productivity at work 70 Fresh thinking IAQ issues that will affect revisions to CIBSE TM40 75 Recovery mode Refrigerant recovery and reuse 79 Reclaim the heat How chiller upgrades can turn buildings into power stations by recovering heat for hot water and heating 4 September 2019 www.cibsejournal.com CIBSE Sep19 pp04-05 Contents.indd 4 23/08/2019 18:20