GB/T 33658-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33658-2025	RFQ	ASK	3 days	Thermal comfort requirements and evaluation for indoor environment	Valid
GB/T 33658-2017	419	Add to Cart	4 days	Thermal comfort requirements and evaluation for indoor environment	Valid

Basic data

Standard ID: GB/T 33658-2025 (GB/T33658-2025)
Description (Translated English): Thermal comfort requirements and evaluation for indoor environment
Sector / Industry: National Standard (Recommended)
Date of Implementation: 2026-03-01
Older Standard (superseded by this standard): GB/T 33658-2017

GB/T 33658-2017: Thermal comfort requirements and evaluation for indoor environment

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Thermal comfort requirements and evaluation for indoor environment ICS 13.180 A25 National Standards of People's Republic of China Indoor human thermal comfort environment requirements and evaluation methods 2017-05-12 released 2017-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface I 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 technical requirements and ratings 2 4.1 Thermal environment parameters requirements and ratings 2 4.1.1 Temperature fluctuation 2 4.1.2 Temperature uniformity 3 4.1.3 vertical air temperature difference 3 4.1.4 Blowing sense index 4 4.1.5 Estimated mean thermal sensory index (PMV) 5 The requirements and ratings of warm - up dummy evaluation 5 test 6 5.1 Test point setting 6 5.1.1 Checkpoint Horizontal Layout 6 5.1.2 Height of detection point from ground level 6 5.2 Test instrumentation 6 5.3 Test data acquisition status and time 7 5.4 room air conditioner thermal comfort test 7 6 evaluation 7 6.1 score weight 7 6.2 Thermal Environmental Rating 7 Appendix A (informative) PMV calculation formula 8 Appendix B (informative) Various types of typical clothing combined heat resistance 9 Appendix C (informative) metabolic rate of different activities 11 Appendix D (informative appendix) Principles and requirements for the control of warm dummies 12 Appendix E (normative) Room air conditioner to create the indoor environment Thermal comfort detection method 15 Reference 18

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and assigned by the National Commission for Human Efficacy Standardization (SAC/TC7). The standard drafting unit. China Standardization Research Institute, Qingdao Haier air conditioner limited company, the successful energy efficiency technology (Beijing) Co., Ltd., Beijing University of Aeronautics and Astronautics, Tsinghua University, China Academy of Building Research, China Astronaut Training Center, Guangdong Wei Kai Detection Technology Research Institute, Guangdong United States Refrigeration Equipment Co., Ltd., Zhuhai Gree Electric Co., Ltd., Daikin (China) Investment Co., Ltd., Ningbo Oaks air conditioning Co., Ltd., Sichuan Changhong Air Conditioning Co., Ltd., TCL air conditioner (Zhongshan) Co., Ltd., Guangdong Ouke air conditioning refrigeration Co., Ltd. The main drafters of this standard. Zhao Zhaoyi, Hu Huimin, Fu Yu, Zhang Xinqi, Zhang Jia Zheng, Qi Yun, Shao Guangda, Ding Li, Qiu Yi Fen, Wang Rui, Li Zheng, Zhang Wanxin, Wang Tao, Wu Zhidong, Zhang Tao, Chen Chaoxin, Hu Mingxia, Zhang Jianqiang, Bai 韡, Ji Changqi, Zhang Bo, Chen Jun Indoor human thermal comfort environment requirements and evaluation methods

1 Scope

This standard specifies the technical requirements and evaluation methods for the indoor human thermal environment. This standard is applicable to the design and evaluation of indoor thermal environment under moderate heat conditions for daily work and life, and can also be used for room air conditioning Evaluation of system thermal comfort. Cinemas, hospitals and other special conditions of human thermal comfort environment requirements can refer to the use of this standard.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 5701 indoor thermal environmental conditions GB/T 7725 room air conditioners GB/T 10000 Chinese adult human size GB/T 18048 Determination of ergonomic metabolic rate in thermal environment GB/T 18049 Medium thermal environment PMV and PPD index determination and thermal comfort conditions ISO 7726 Thermal Environment Ergonomics Thermometry Ergonomicsofthethermalenvironment-In- strumentsformeasuringphysicalquantities

3 terms and definitions

GB/T 18049, GB/T 5701 and ISO 7726 and the following terms and definitions apply to this document. 3.1 Thermal environment Affect the environmental characteristics of human heat transfer. [GB/T 5701-2008, definition 3.7] 3.2 Hot comfortable thermalcomfort The subjective satisfaction of the thermal environment is assessed by subjective evaluation. [GB/T 5701-2008, definition 3.4] 3.3 Expected average thermal sensory index predictedmeanvote PMV The large sample population was averaged by a 7-point thermal sensory scale (see Table 1). Table 1 Thermal Sensitivity Scale Scale 3 2 1 0 -1 -2 -3 Feel the description of warm and warm slightly warm slightly cooler ......

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