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…
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…
A novel approach: air cleaning devices
A new CIBSE guide aims to equip specifiers and facilities managers with the knowledge to safely and effectively select air cleaners. Cundall’s Ed Wealend summarises…
Upward trend: ventilating buildings to minimise Covid-19 risk
In a summary of his winning paper at the CIBSE Technical Symposium, Ventive’s Tom Lipinski discusses the evidence available for the best methods for ventilating…
On target: net zero modular homes at zero extra cost
Ilke Homes has vowed to manufacture zero carbon homes at zero additional cost by 2030. Andy Pearson speaks to ilke’s Nigel Banks about the services…
Taking shape: shape memory alloys in air conditioning
A shape memory alloy technology could be a GWP-free, cost-effective successor to vapour compression refrigeration. Liza Young finds out more
Engineering the new normal: Technical Symposium highlights
Striving for net zero while making buildings Covid-secure has been challenging academics and engineers since the virus first appeared. Last month’s CIBSE Technical Symposium was…
Storage beater: compact energy stores
One barrier to heat pumps in smaller homes is the requirement for a large water cylinder to store hot water. Midsummer’s Jez Climas looks at how…
Pump primer: heat pump installation
CIBSE’s new heat-pump installation guide aims to equip designers, installers and operators with the knowledge to successfully deliver the 300,000 annual installations needed by 2025.…
A new era for heat: Queens Quay heat pump
A large-scale ammonia water source heat pump at the Queens Quay heat network in Glasgow promises to decarbonise heat for new and existing buildings. Vital…
Solar flair: how combined PV and solar thermal technology won a CIBSE product award
Naked Energy’s VirtuPVT technology was a clear winner in the CIBSE Building Performance Awards in the Product or Innovation of the Year – Thermal Comfort…
Evacuation lifts: an alternative escape route
Evacuation lifts have the potential to offer a safe route out of a building. Arup’s Eoin O’Loughlin and Harry Wiles, and Matthew Ryan of The…













