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
Redefining with retrofit: CIBSE’s Building Performance Champion
The University of Auckland’s B201 is one of the world’s most sustainable academic buildings. Andy Pearson explores how CIBSE’s 2026 Building Performance Champion used deep…
March 2026
Storing up trouble: flexible technologies closing energy peak gaps
The UK’s net zero transition depends on solving the ‘five peaks challenge’ to balance energy supply and demand, according to a new report. Alex Smith…
March 2026
A match made in heritage: heat pumps in historic buildings
Large heat pumps can perform well in historical properties, but only if designers understand the context of the setting and its use, says a new report from…
February 2026
Stopping the rot: addressing ventilation failures
Poorly installed insulation without adequate ventilation has caused damage to thousands of homes. Molly Tooher-Rudd looks at how the industry is tackling the spread of…
February 2026
Why proven heat pumps still struggle to scale
The successful adoption of heat pumps is affected by complexity, compatibility and user experience, according to UC Davis research. Tim Dwyer looks at how consumer…
February 2026
Setting the standard for social housing
Social housing retrofits can meet the upcoming UK Net Zero Carbon Buildings Standard, but the costs are high, says ECD Architects’ Loreana Padron, based on…
February 2026
The essential guide for domestic heating design
The new edition of the Domestic heating design guide is critical for designers of heating and hot-water systems in owner-occupied homes, says Andy Mathews
January 2026
Bridging the heat pump efficiency divide
Real-world analysis of domestic heat pump installations has identified underlying reasons for system underperformance. Alex Smith looks at the study paper’s recommendations, which the authors…
January 2026
Bridging the heat pump efficiency divide
Real-world analysis of domestic heat pump installations has identified underlying reasons for system underperformance. Alex Smith looks at the study paper’s recommendations, which the authors…
January 2026
Avoiding the trap: embodied carbon and low-GWP heat pumps
Research by Max Fordham shows that air source heat pumps with low global warming potential refrigerant risk being penalised under current calculation methods for embodied…
December 2025
More technical articles