A well-mixed cocktail? Air contaminant levels

A paper on the mixing of air in a contaminated space examined the difference between modelling and real-world scenarios. Tim Dwyer examines the findings of Tom Smith’s paper, which was presented at the ASHRAE conference

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

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

It’s a breeze being cool in class

Overheated indoor spaces in tropical regions pose challenges for building occupants, particularly in areas with limited access to air conditioning. A study by Dr Charles Munonye evaluates the thermal comfort of Nigerian schoolchildren in two building types to see if cooling is needed in primary schools

Hardship and housing

Households hit hardest by the cost of living crisis are those most likely to live in unhealthy homes. UCL’s Professor Anna Mavrogianni considers the relationship between the built environment and health inequalities