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
Lighting up the gallery: daylighting in arts institutions
Advanced techniques in lighting analysis are allowing designers to reintroduce daylighting into galleries without damaging the exhibits or causing visual discomfort to those viewing them.…
November 2023
Control explosion: review of LG14 Control of Electric Lighting
No longer an optional extra, control systems have become an integral component of lighting schemes. Jill Entwistle talks to Sophie Parry about the Society of…
November 2023
Back in control: making savings with BMS optimisation
The optimisation of HVAC controls for a Croydon office has reduced energy use by 28% over nine months, resulting in a £171,000 saving in operational…
November 2023
Taking the heat out of decarbonisation: insights from CIBSE’s roundtable
Eight industry experts came together to discuss the challenges of decarbonising heating in CIBSE Journal’s latest roundtable. Amanda Birch sums up the main points of…
November 2023
Glint of steel: the lighting design journey of Espenes rest stop
An award-winning low-energy lighting scheme tuned into the stunning natural backdrop of its Norwegian landscape for inspiration. Jill Entwistle speaks to the designers behind the…
November 2023
Smart homes, zero bills: Octopus Energy’s scheme for housebuilders
Octopus Energy is offering a partnership with housebuilders that guarantees zero energy bills for occupiers using its Kraken technology platform. Andy Pearson speaks to Nigel…
November 2023
Heat pump design from the ground up: upcoming TM51 update
New CIBSE guidance on ground source heat pumps is due to be published in early 2024. Here, project lead Ken Gordon outlines the changes
November 2023
The balance of power: the bivalent approach to heat pumps
Using a boiler to top up peak space heating in heat pump systems can save CO2 and costs, says Mitsubishi Electric’s Chris Newman, who gives examples of two…
November 2023
Sizing up the benefits: thermal storage in heat networks
Oversized thermal stores in heat networks could cut electric boiler capacity by up to 30%, says FairHeat’s Jake Adamson, who looks at data from existing…
November 2023
Sound advice
Noise and vibration from HVAC systems such as large heat pumps can have a huge impact on occupant comfort. KP Acoustics Group’s Kyriakos Papanagiotou and Mason…
November 2023
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