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
Tag: Lighting
Keeping it clean: award-winning UV-C lighting
The germicidal effects of UV light were discovered in 1877. Now, in the shadow of Covid-19, an application of UV-C is winning plaudits and a CIBSE Building Performance Award. Phil Lattimore reports
Work-light balance: key changes to workplace lighting guidance
The most influential guide to lighting the workplace has had its first update for a decade. Helen Loomes outlines the key changes
Black to the future: BDP’s ‘hygge’ office lighting design
There has been a shift to lower light levels and use of darkness in the workplace, according to BDP’s Colin Ball, who cites the refurbished London office building LDN-W as a prime example
Dark matters: SLL’s Guide to protecting the night time environment
The SLL has published its first, full-blown lighting guide on illumination and the night-time environment. Co-author Benedict Cadbury summarises the new LG 21: Guide to protecting the night-time environment, following a summary by Jill Entwistle
CIBSE Building Performance Award winner: Amorepacific headquarters, Seoul
To reduce energy demand and enhance occupant comfort and wellbeing, passive systems for daylighting, shading and natural ventilation were maximised at the HQ of Seoul’s largest cosmetics company, Amorepacific, as Andy Pearson reports
Ambient Lighting Manifesto: the response
In December, CIBSE Journal published an ‘ambient lighting manifesto’, written by four highly respected lighting academics who are calling for a paradigm shift in lighting practice. Here, we print a summary of reactions to the document from leading members of the profession, whose responses can be read in full on our website
The ambient lighting manifesto
Leading lighting academics Peter Boyce, Kit Cuttle, Kevin Kelly and Peter Raynham are calling for a fundamental change to lighting practice
Daylight modelling: A new frame of reference
A radical new daylight-modelling schema allows the view from openings to become a material factor in the evaluation of building designs. John Mardaljevic looks at a fundamental change for lighting designers
Leading light: ensuring effective use of UV technology in buildings
Ultraviolet germicidal irradiation has been used for many years to mitigate the spread of measles and tuberculosis. It can effectively inactivate the Covid-19 virus too, but a lack of guidelines makes modelling the equipment a complex task. Liza Young reports