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TM65 guides

This new guidance (CIBSE TM 65) provides a consistent approach for the data required from manufacturers, an embodied carbon calculation methodology for mechanical, electrical and public health (MEP) systems, and the way in which embodied carbon assessments are reported.

Embodied carbon describes greenhouse gas emissions (GHG) – notably including, but not just carbon dioxide – associated with making a product and its installation, maintenance, repair, replacement, and subsequent disposal or recovery, but excluding GHG emissions associated with its operation.