Case study: Passivhaus Plus Hackbridge Primary School

Hackbridge Primary is the first Passivhaus Plus-certified school, setting a new standard for sustainable design and operational efficiency. Andy Pearson talks to members of the project team about the award-winning scheme

Keeping fit with less energy: Ravelin Sports Centre

Designers behind the Ravelin Sports Centre have crunched its energy-use numbers down to an impressive 87kWh·m-2 per year, less than half that required to achieve a DEC ‘A’ rating. Andy Pearson discovers how an innovative mix of passive and active technologies produced a sector-leading building that won a CIBSE Building Performance Award

Greater expectations: surveying occupants at CIBSE HQ

A survey of occupants at CIBSE’s Balham headquarters reveals that visitors and staff disliked the indoor environmental quality, but appreciated the collaborative nature of the space. David Fitzpatrick reports on the results and explains how they will be used when considering a new HQ

Lessons in heat pump optimisation

Decarbonising heat in existing schools is vital to UK net zero targets, but optimal heat pump efficiency is not always straightforward. Baxi’s Andy Green discusses lessons learned from decarbonising three swimming pool buildings for a multi-academy trust

Plantroom pioneer: CIBSE Engineer of the Year Phil Draper

Phil Draper has been pioneering heat pump retrofits in commercial buildings since 2012 and has now been recognised as CIBSE’s Engineer of the Year. Andy Pearson finds out what the industry can learn from his innovative and collaborative approach

Sustainable cooling in a warming world

As carbon emissions from cooling spiral upwards, Professor Graeme Maidment reveals the latest research underpinning government strategy on air conditioning and refrigeration

Science in the city: the challenge of retrofitting labs

Empty retail space in the UK is attracting the attention of the booming life sciences sector. Cundall’s Rob van Zyl looks at the trend for retrofitting laboratories and, in particular, the challenge of ventilating them in built-up areas