IBSE JOURNAL #Build2Perform September 2021 www.cibsejournal.com EFFECTIVE VENTILATION IN POST-COVID BUILDINGS CIBSE GUIDE TO AIR CLEANING TECHNOLOGIES NET ZERO MODULAR HOMES AT NO EXTRA COST THE MINDFUL ENGINEER CIBSEs Engineer of the Year on using engineering knowledge to help communities decarbonise CIBSE Sep 21 pp01 Cover.indd 1 27/08/2021 14:04