Ventilation
Making sense of air quality sensors
Air quality sensors are not fit and forget – they require maintenance and will drift over time. Arup’s…
Business studies: adapting commercial offices for universities
With office occupation in central London not expected to return to pre-Covid levels, Andy Pearson finds out how…
Understanding Hepa filters
An appropriately specified Hepa filter can be used in mechanically ventilated spaces and recirculating systems to practically remove…
Clear guidance: TR40 Best practice for exhaust ventilation
The risk of death and illness because of exposure to hazardous substances in the workplace can be cut…
Calculating Covid-19 risk according to activity and indoor space
A group of UK researchers has attempted to quantify the transmission risk of airborne Covid-19 infection according to…
New normals: Consultants predict how Covid-19 will change HVAC design
What is the impact of Covid-19 on the design of HVAC systems for future buildings? We asked four…
CIBSE’s guidance on ventilation during Covid-19
Guidance published by CIBSE last month has advice for ventilation and air conditioning systems in the UK amid…
Florence Nightingale’s notes still make vital reading
Florence Nightingale’s books on nursing continually emphasise the importance of ventilation. Chris Iddon believes her work is particularly…
Opening remarks: guidance on ventilation openings
Designing adequately sized windows for natural ventilation while ensuring occupants' safety is a challenge. Benjamin Jones, Patrick Sharpe…
How audio visualisation can drive the natural ventilation of buildings
Acoustics and ventilation should be designed in tandem to ensure optimal performance in naturally ventilated buildings, says Mach’s…
Closing the gaps: creating a joined up approach for ventilation and energy regulations
Guidance on energy and ventilation regulations must be more integrated, say researchers, after their study of UK airtightness…
Roundtable – key issues around smoke control regulation after Grenfell
Fire safety issues flagged by Dame Judith Hackitt after Grenfell were tackled by smoke control experts at a…
What’s cooking – measuring PM2.5
To ensure indoor air quality measurements in homes are accurate and repeatable, we need standards that clearly define…
How catalysts in AHUs can improve indoor air quality
Electrostatic precipitators can stop PM2.5 dust particles from entering buildings, but could create dangerous levels of ozone. Catalysts…
Sound advice – taking external noise into account when ventilating buildings
Ventilation strategies relying on residents opening windows falter if there is too much external noise. Anthony Chilton reports…