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GB/T 46027-2025: Greenhouse gases - Quantification requirements and methods of product carbon footprint - Room air conditioners
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GB/T 46027-2025: Greenhouse gases - Quantification requirements and methods of product carbon footprint - Room air conditioners

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ICS 97.030 CCSY60 National Standard of the People's Republic of China Greenhouse gas product carbon footprint quantification method and Request room air conditioner Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Quantification Purpose 3 5 Quantization range 4 6 Inventory Analysis 6 7 Impact Assessment 10 8 Results Interpretation 13 9 Product Carbon Footprint Report13 10 Critical Review 15 11 Product Carbon Footprint Statement15 Appendix A (Informative) Example of a Carbon Footprint Quantification Scheme for Room Air Conditioner Products 16 Appendix B (Informative) Data Inventory Collection Example 18 Appendix C (Normative) Calculation Method for Electricity Consumption of Room Air Conditioner Products During Use Phase 21 Appendix D (Informative) Product Carbon Footprint Report (Template) 22 Reference 27 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents". Drafting is required. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Household Electrical Appliances (SAC/TC46). This document was drafted by. China Household Electrical Appliances Research Institute, Guangdong Midea Refrigeration Equipment Co., Ltd., Qingdao Haier Air Conditioner Co., Ltd., Gree Electric Appliances Co., Ltd. of Zhuhai, Xiaomi Smart Home Appliances (Wuhan) Co., Ltd., Panasonic Electric Research and Development (Suzhou) Co., Ltd., SGS-CSTC Standard Technical Services Co., Ltd., TCL Air Conditioner (Zhongshan) Co., Ltd., China Institute of Home Furnishings (Beijing) Testing and Certification Co., Ltd., China Quality Certification Center Co., Ltd., China Household Electrical Appliances Association, Weikai Testing Technology Co., Ltd., Suzhou Quality and Standardization Institute, Jiahe (Zhejiang) Inspection and Testing Co., Ltd. Co., Ltd., Shenzhen Ruiju Technology Co., Ltd., Anhui Zhongren Beijia Technology Co., Ltd., Titanium and Certification (Shanghai) Co., Ltd., Beijing Zhongren Dahuayuan Certification Center Co., Ltd. and Suzhou Testing and Certification Group Co., Ltd. The main drafters of this document are. Qu Zongfeng, Yan Ling, Wang Chan, Yan Dong, Xiong Shuyao, Lao Chunfeng, Zhang Yanli, Wang Yue, Cao Yanxin, Guan Haiqing, Wu Mei, Wu Junhong, Ouyang Huan, Xu Yi, Chen Ronghui, Dai Xingxue, Xu Jilin, Tang Zheng, Wang Tongshuai, Lü Wenqian, Liu Kaicheng, Cao Yajie, and Xia Yan. Greenhouse gas product carbon footprint quantification method and Request room air conditioner

1 Scope

This document provides the purpose of quantifying the carbon footprint of room air conditioners (hereinafter referred to as "room air conditioners"), and specifies the scope, Inventory analysis, impact assessment, result interpretation, product carbon footprint report, critical review and product carbon footprint declaration. This document is applicable to air-cooled condensers, fully enclosed electric compressors, rated cooling capacity not exceeding 14000W, climate type Product carbon footprint quantification of T1 room air conditioner. Other types of air conditioners and low ambient temperature with nominal heating capacity not exceeding 14000W Air source heat pump hot air blower for reference use.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 21455-2019 Minimum Energy Efficiency Values and Energy Efficiency Grades for Room Air Conditioners GB/T 24040 Principles and framework for life cycle assessment of environmental management GB/T 24044 Requirements and Guidelines for Life Cycle Assessment of Environmental Management GB/T 24067 Requirements and Guidelines for Quantifying the Carbon Footprint of Greenhouse Gas Products

3 Terms and Definitions

The terms and definitions defined in GB/T 24040, GB/T 24044 and GB/T 24067 and the following apply to this document. 3.1 room air conditionerroomairconditioner A device that provides conditioned air to a room. Note. It mainly includes refrigeration systems for refrigeration and dehumidification, air circulation and purification devices, and may also include heating and ventilation devices (which can be assembled in one housing or a system of components designed to be used together). [Source. GB/T 7725-2022, 3.1.1] 3.2 Greenhouse gas greenhouse gas;GHG The natural and human-induced atmospheric ions that absorb and emit radiation from the Earth's surface, atmosphere, and clouds. The gaseous component of radiation with wavelengths in the infrared spectrum. Note. Greenhouse gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), hexafluoroethane (PFOS), Sulfur (SF6) and nitrogen trifluoride (NF3). [Source. GB/T 24067-2024, 3.2.1] 3.3 The sum of GHG emissions and GHG removals in the product system, expressed in CO2 equivalent, based on a single measure of climate change. ...