Lighting’s critical role in healthcare

As well as minimising infection risk, the big trend in healthcare lighting is circadian lighting. HDR’s Karen Murphy looks at the latest research

Phased approach: optimising heat networks

The government’s new Heat Network Optimisation Guide aims to improve the performance of existing networks by rigorously analysing performance and making cost-effective interventions that maximise efficiency. Alex Smith reports

Case study: Comberton Village College heat network

The installation of a new heat network at Comberton Village College is set to significantly reduce the heating bill and save 248 tonnes of CO2. Andy Pearson speaks to Bouygues Energies & Services about how two 500kW ground source heat pumps replaced oil-fired boilers scattered across 16 plantrooms

Protecting building occupants from wildfire smoke

With wildfires recognised as an ‘emergent risk’ in the UK, what can be done to HVAC systems to mitigate the impact on the health of people in buildings? Phil Lattimore looks at the worldwide effect of wildfire smoke

Fire and façades: key guidance

To ensure the fire safety of building façades, designers should pay special attention to firestopping. CWCT’s David Metcalfe highlights the latest guidance on this key area and rounds up the most recent information on designing fire-safe façades

A frozen fix: cold thermal energy storage

A patented cold thermal energy storage system from O-Hx uses ice slurry to increase the efficiency of chillers. The company’s Bob Long says a pilot scheme at a drug facility shows 27% operational cost savings

Hospital ventilation: can air purification systems provide relief?

Poor ventilation has been identified as a contributing factor to Covid-19 transmission in NHS hospitals. In seeking solutions, a study by Lewis Turner found that, while air purification systems reduce infection risk, they should only be used when mechanical ventilation is not available. Tim Dwyer reports

How the Airbods study hastened the return of large-scale events

A CIBSE award-winning research project led by Loughborough University made a major contribution to reopening large-scale events during the pandemic – and now the collaborative team behind ‘Airbods’ is bringing its learning to the wider built environment. Phil Lattimore finds out more