Technical
Understanding BESA HIU testing and engineering change compliance
BESA developed the HIU test regime to provide a standardised way of testing Heat Interface Units under…
Veloris introduces the CNTE Star H-Plus quick set up and maintenance system
Veloris demonstrates its commitment to customers’ support by boosting its sector expertise, with the recruitment of Russ…
In demand: the DESNZ/IEA Heat Pump Research Seminar
Demand-response strategies were the hot topic at this year’s DESNZ/IEA Heat Pump Research Seminar. Molly Tooher-Rudd and Alex Smith capture the highlights, including talks on…
Cooling without compromise: Thermal Comfort winner
EcoTechX’s CIBSE Award-winning Optimum air conditioning system uses water, not refrigerant, to provide cooling, which not only reduces embodied carbon, but also cuts operational energy…
Breaking the ice: a novel defrosting solution for heat pumps
Heat pump performance in sub-zero conditions is significantly challenged because of cumulative freezing. A new passive refrigerant flow control system aims to mitigate ice buildup,…
Take note: fire-safe façades
New Technical Notes from the Centre for Window and Cladding Technology are essential reading for anyone involved in the design and construction of modern façades.…
Countdown to regulation: new heat network standards
A new regulatory framework, due in January 2026, will require all heat networks to meet minimum technical standards. A recent CIBSE conference looked at the…
Clarifying fire safety: understanding new standards
The updated BS 9991:2024 ushers in a new era of fire safety design for high-rise flats, with guidance on escape staircases, open-plan spaces, evacuation lifts,…
International rescue: China’s route to decarbonisation
To share best practice on decarbonisation and climate resilience, CIBSE has just held knowledge-sharing face-to-face workshops organised by the Chinese government. Anastasia Mylona reports on…
How ready are UK buildings for heat pumps?
How ready are UK buildings for heat pumps? A new study analysing the performance of existing boilers challenges assumptions about the need for radiator upgrades and…
Air of excitement: air quality award shortlist
Ahead of the 2025 CIBSE Building Performance Awards, we review the shortlist for the Product or Innovation – Air Quality Award
Beware double standards: pressurisation design and expansion vessel sizing
There are two standards for pressurisation design and expansion vessel sizing, which is causing confusion that threatens performance, says Spirotech’s Steve Simmonds













