Thermal insulation - physical quantities and definitions
2003
Document Number: NL ISO 7345 : 2003
Sector: Mechanical Systems and Components for General Use
TC: NL TC EO
ICS: 91.120.10
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.