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About This Item

 

Full Description

ISO 7345:2018 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.

 

Document History

  1. ISO 7345:2018

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    Thermal performance of buildings and building components - Physical quantities and definitions

    • Most Recent
  2. ISO 7345:1987


    Thermal insulation -- Physical quantities and definitions

    • Historical Version