Water-quality tests reveal deteriorating water conditions in commercial buildings under lockdown. Guardian Water Treatment’s Tom O’ Sullivan says action is needed in underused facilities to avoid HVAC breakdowns and the risk of legionella
Category: Technical
Podcast: How ambient loop systems can help decarbonise heat
Sponsored Podcast: Daikin’s Darren Manley speaks to Alex Smith about how ambient loop systems can cut carbon when connected to low carbon heat sources
Best practice HVAC controls: ASHRAE Guideline 36
Building controls systems are complex and can be a major obstacle to good performance if they are not specified and commissioned properly. Building Intelligence Group’s Paul Ehrlich says new tools and standards are helping to digitise the design process and streamline verification
Rinnai to expand and invest in dedicated London office, team and resources
Ricky Lewis is appointed regional sales manager for London west and south-western counties
Leading light: ensuring effective use of UV technology in buildings
Ultraviolet germicidal irradiation has been used for many years to mitigate the spread of measles and tuberculosis. It can effectively inactivate the Covid-19 virus too, but a lack of guidelines makes modelling the equipment a complex task. Liza Young reports
Winter protection: version 4 of CIBSE’s Covid-19 Ventilation Guide
The cold season brings new challenges for building managers trying to minimise the Covid-19 risk while maintaining occupant comfort. Chris Iddon introduces the latest CIBSE guidance on optimum HVAC strategies for Covid-secure buildings
Instant response: HVAC deep learning
With artificial intelligence, heating and air conditioning can react in real time to occupant activity, says Paige Tien, who explains how deep learning and occupant detection can help align heating, cooling and ventilation systems to individuals’ needs
Oxford’s balancing act: city smart grid with ground source heat pumps
Oxford is building an intelligent local grid that will allow buildings’ heat pumps to be connected to a smart grid that is able to charge hundreds of electric vehicles, thanks to a large-scale battery technology. Andy Pearson reports
Sensible approach: specification advice for fan coil (terminal) units
Selecting the wrong fan coil (terminal) units can have disastrous consequences for occupant comfort, according to SSH’s Imran Shaikh at the CIBSE UAE Healthy Buildings Conference. Tim Dwyer took notes
Distance and dilution: Hoare Lea’s Covid-secure headquarters
Before Hoare Lea started offering advice to clients about making their offices Covid-secure it looked at how its own air handling units could be modified to make its King’s Cross headquarters safe and comfortable. Hoare Lea’s Steve Wisby explains