CIBSE's Knowledge Toolbox is a collection of applications, spreadsheets and data files that help you to do your job. Some of these can be downloaded below, and others will link directly to web tools.
Click on the tool you're interested in to find out more.
Energy Benchmarking Dashboard
Relevant and reliable benchmarks, reflecting current trends in energy useFind out more
Embodied Carbon Calculator: UK
Supports consultants, researchers and manufacturers in implementing the TM65 embodied carbon methodologyEmbodied Carbon Calculator: United Kingdom (beta v1.2)
Embodied Carbon Calculator: ANZ
Supports implementation of the TM65 embodied carbon methodology in Australia and New ZealandEmbodied Carbon Calculator: Australia and New Zealand (beta v1)
Standard weather files to be used in building performance analysis using simulation toolsFind out more
Relative Exposure Index Calculator
Compare the efficacy of various air cleaners with methods of natural ventilation for effective air cleaningFind out more
Allows manufacturers to fully engage with the depth of detail required to create a fully circular economy-capable productFind out more
Allows for the quick comparison of circular economy implications of two or more productsFind out more
Standard Drawing Symbols
A standardised set of drawing symbols that can be applied across the building services sectorFind out more
Digital Engineering Series Templates
Free templates provided for use alongside the CIBSE Digital Engineering SeriesFind out more
Public Health Pipe-sizing Tool
Allows public health engineers to quickly and easily calculate required system parameters - COMING SOON!
Energy Assessment Tool
Provided with TM22 'Energy assessment and reporting methodology' (2006)Find out more
IAQ Analysis Tool
Provided with AM10 'Natural ventilation in non-domestic buildings' (2005)Find out more