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 useBenchmarking Registration
Embodied Carbon Calculator
Supports consultants, researchers and manufacturers in implementing the TM65 embodied carbon methodologyEmbodied Carbon Calculator
Standard weather files to be used in building performance analysis using simulation toolsWeather Data
Relative Exposure Index Calculator
Compare the efficacy of various air cleaners with methods of natural ventilation for effective air cleaningCIBSE Relative Exposure Index Calculator
Allows manufacturers to fully engage with the depth of detail required to create a fully circular economy-capable productCEAM Make
Allows designers, specifiers and engineers to quickly compare the circular economy implications of two or more productsCEAM Specify
Public Health Pipe-sizing Tool
A tool public health engineers to quickly and easily calculate required system parameters - COMING SOON!
Standard Drawing Symbols
A standardised set of drawing symbols that can be applied across the building services sectorCIBSE Standard Drawing symbols
Digital Engineering Series Templates
Free templates provided for use alongside the CIBSE Digital Engineering SeriesDigital Engineering Series Templates
Energy Assessment Tool
Provided with TM22 'Energy assessment and reporting methodology' (2006)TM22 Energy Assessment Tool
IAQ Analysis Tool
Provided with AM10 'Natural ventilation in non-domestic buildings' (2005)AM10 IAQ Analysis Tool