BSI - BS EN ISO 7345 - TC
Tracked Changes (Redline) - Thermal performance of buildings and building components - Physical quantities and definitions
|Publication Date:||26 February 2020|
|ICS Code (Quantities and units):||01.060|
|ICS Code (Heat recovery. Thermal insulation):||27.220|
This document defines physical quantities used in the thermal performance of buildings and building elements, and gives the corresponding symbols and units.
NOTE Because the scope of this document is restricted to thermal performance and energy use in the built environment, some of the definitions it contains differ from those given ISO 80000-5.