Turning to CO2 refrigerant in large-scale retrofits

Using CO2 as a refrigerant in heat pumps is ideal for retrofits requiring higher-temperature heat. Daniel Clark, of Isentra, reports on the refurbishment of Wolfson College, which is using heat pumps for district heating and DHW

Next generation: Arup’s net zero office at 80 Charlotte Street

Arup’s all-electric office at 80 Charlotte Street London is developer Derwent London’s first net zero office scheme. Andy Pearson examines the heat and cooling strategy that combines heat pumps and chillers, and looks at how Covid affected the design and delivery of the project

Hays 2022 Salary Survey: holding all the cards

With salaries rising and plenty of jobs available, building services engineers are seeking good pay and a healthy work-life balance in 2022. David Blackman analyses the Hays Salary Survey and asks industry leaders how they attract the best talent

A full-scale test

The Grenfell Tower tragedy has prompted discussion about the practicality and usefulness of full-scale fire tests of building products and assemblies. Hywel Davies considers the testing of building services systems

A framework for change?

The Construction Playbook triggered an independent review of public sector procurement that recommends adopting framework structures and features to deliver better, safer, faster and greener outcomes in the public sector. Hywel Davies reports

2022 preview: the clock is ticking

Over the next 12 months, the building services sector will be focusing on net zero targets, while ensuring building occupants are safe from Covid and other risks. Alex Smith looks at the main trends for 2022 and previews the guidance that will ensure CIBSE Members have the competencies to meet the challenge