T/CSTM 00925-2025 Calculation standard and analysis method of carbon emission from energy-saving transformation of existing buildings

Scope

This document specifies the terms and definitions, general requirements, carbon emission calculation methods for the pre-retrofit operation phase, the retrofit phase, and the post-retrofit operation phase of existing buildings, as well as the calculation method for the emission reduction amount of existing building energy-saving retrofits, etc. This document is applicable to the carbon emission calculation of existing building energy-saving retrofits during the production and transportation of building materials, operation, retrofit, and demolition of existing buildings. This document specifies the terms and definitions, general requirements, carbon emission calculation methods for the pre-retrofit operation phase, the retrofit phase, and the post-retrofit operation phase of existing building energy-saving retrofits, as well as the calculation method for the emission reduction amount of existing building energy-saving retrofits, etc. This document is applicable to the carbon emission calculation of existing building energy-saving retrofits during the production and transportation of building materials, operation, retrofit, and demolition of existing buildings.

Development Information

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