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ISO 7345:2018

Current Date published:

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

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.

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ISO 7345:2018

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