How the LET Diploma ensures lighting competence

The LET Diploma is vital for lighting competence. It ensures professionals master first principles, navigate evolving technology, and meet competency demands around sustainability and building safety

Circle of light: 3D printed luminaires

Lighting giant Signify is using 3D printing to enable a more circular approach to manufacturing. Molly Tooher-Rudd looks at how the technology could offer customised light fittings with a minimal carbon footprint

Cost model: ASHP commercial retrofit

The cost and considerations of replacing existing heat and cooling equipment with an air source heat pump using natural refrigerants, by Aecom’s Gaby Boyles

What SAP’s replacement means for future homes

The model set to replace SAP for home energy assessments is designed to work dynamically with new-era technologies such as energy storage, advanced control systems and dynamic tariffs. Sustenic’s John Henderson and Jose Ortiz FCIBSE highlight the potential of the Home Energy Model

CIBSE Journal printing and mailing information

Paper and printing: CIBSE Journal is printed on woodfree silk paper made from 100% virgin fibre with elemental chlorine free (ECF) pulps, which are sourced from sustainable forests and guaranteed by the internationally recognised FSC® chain of custody. The FSC label guarantees that the trees that are harvested towards the paper production are replaced or allowed to […]