GB/T 17225-2017
ActiveHygienic requirements of microclimate for heating classroom in middle and elementary school
中小学校采暖教室微小气候卫生要求
Application Summary AI generated
This standard specifies the acceptable ranges for indoor temperature, relative humidity, air velocity, and carbon dioxide concentration in heated classrooms of Chinese middle and elementary schools. It is applied during the winter heating season to ensure a healthy thermal environment that supports student concentration and prevents respiratory discomfort. The standard is used by school administrators, facility managers, and health inspectors to evaluate and maintain classroom air quality and thermal conditions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.