Technical
Choosing between direct and indirect HIUs: a practical comparison
Heat Interface Units (HIUs) are essential components in district heating systems, and are broadly categorised into direct…
March 2026
Enhancing air source heat pump system performance – The naturally Strebel way
Latest range of heat pumps use vapour injection technology to help boost heating output, efficiency, and system…
March 2026
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…
October 2020
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.…
October 2020
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…
October 2020
Unwanted guests: bipolar ionisation in hotel rooms
Bipolar ionisation can improve air quality and remove odours from hotel rooms, says Spire Building Services’ Adam Taylor, who highlights research in Spain on its…
October 2020
Tall order: fire safety guidance for façades
Following the ban on the use of combustible materials in some building façades, two industry bodies have come together to produce guidance on these legislative…
October 2020
Safety with numbers: using data to make workplaces Covid-secure
Data monitoring can help identify poorly ventilated office spaces at risk from Covid-19, as well as highlight poorly performing HVAC systems during lockdowns, says Carbon…
October 2020
Understanding Hepa filters
An appropriately specified Hepa filter can be used in mechanically ventilated spaces and recirculating systems to practically remove small airborne particulates. CIBSE Journal technical editor…
August 2020
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 by following the best practice guidance in…
August 2020
Measuring overheating
To minimise overheating in homes it is important to produce accurate models to understand where risks might lie. To test the accuracy of modellers’ predictions,…
August 2020
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 activity and type of indoor space. Chris…
August 2020
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