A plan for all seasons: aquifer thermal energy storage

Seasonal thermal storage has the potential for significant carbon savings, but there are few examples in the UK. Alex Smith speaks to Belgium firm IFTech about how the technology can provide low carbon heating and cooling for energy networks

Lighting the way: TM66 and a manufacturer’s circular challenge

CIBSE’s TM66 CEAM-Make guides manufacturers through CE requirements for lighting equipment and helps specifiers understand what they need to look for. Dave Hollingsbee, of Stoane Lighting, outlines how his firm has adopted the guidance – and what it still has to do

Lighting the way for low energy illumination

Despite the prevalence of LEDs, lighting still makes up a substantial proportion of energy use in buildings. Guests at the latest CIBSE Journal roundtable discussed how operational and embodied energy use could be further reduced by smarter design and a circular approach to components

Calculating indoor infection risk

To understand how ventilation reduces Covid transmission it is important to look at the level of risk as the number of building occupants increases, says Chris Iddon, who introduces a methodology that addresses the difference in personal and population risk