建筑领域是能源消耗与碳排放的主要领域之一。根据中国建筑节能协会最新发布的《中国城乡建设领域 碳排放研究报告(2024年版)》2022年，建筑运行的能耗为11.9亿吨标准煤，占全国能源消费总量的 22%，而其碳排放为23.1亿吨CO₂，占全国能源相关碳排放总量的21.7%。其中，农村居住建筑的能耗和 碳排放占比为21%。造成这个占比的原因有很多，例如，围护结构热工性能差、用能系统效率低、可再 生能源利用率不足等问题。因此农村居住建筑节能潜力巨大。 倪江波："双碳"背景下应加快推动农村建筑节能减排工作 农村建筑如何节能降碳，又面临哪些挑战？对中国建筑整体的节能减排，甚至对中国整体的能源转型有 何重要意义？未来又该如何发展？围绕上述问题，中国新闻网采访了中国建筑节能协会会长倪江波。他 指出，建筑节能降碳是实现"双碳"目标的重要举措，在快速推进城镇节能建筑建设的同时，不断推动农 村建筑的节能减排工作也是重中之重。 中国建筑节能协会会长倪江波(受访者供图) 专访实录摘要如下： 倪江波： 推动建筑领域节能降碳是实现中国碳达峰碳中和目标的重要举措，而推动超低能耗、近零能耗建筑发展 又是其中的一项重要任务。 根据《近零能耗建 ...

"全电社区""全电酒店"要来了！27家单位倡议推进建筑用能电气化 中新网9月23日电(记者 石睿)9月22日，27家单位在北京发起推进建筑用能电气化联合倡议书，建议在新 建建筑优先考虑全电建筑建设，推动既有建筑电气化改造，全面推进生活热水电气化，因地制宜实施供 暖、炊事等场景的高碳设备电气化替代，打造一批"全电社区""全电酒店""全电高校"等各类型建筑全电 示范。 建筑运行阶段的能耗与碳排放占全社会能耗与碳排放总量的五分之一以上，是我国重要的能耗与碳排放 载体。加快推动建筑领域节能降碳意义重大，也是实现国家双碳目标的重要抓手。 根据住房城乡建设部、国家发展改革委印发的《城乡建设领域碳达峰碳中和实施方案》，到2030年建筑 用电占建筑能耗比例超过65%。 在政策的大力支持下，我国建筑用能电气化取得了良好进展，但仍存在技术研发、产品供给、规划实 施、场景应用、公众认知等多维度挑战。 因此，中国建筑节能协会等相关机构、行业组织、技术企业共27家单位发起联合倡议书，呼吁加速高效 低碳建筑电气化产品的研发与推广，增加高质量、高性能、高效率且适用性强的家用、商用电气化设备 产品供给。积极探索多元化技术路径和创新商业模式， ...

Core Viewpoint - Shaanxi Xixian New Area's Konggang New City and Fengxi New City have been selected as the first batch of low-carbon and near-zero carbon county (district) and park pilots in Shaanxi Province, focusing on green and low-carbon development through energy utilization, building energy efficiency, and smart management [1][2]. Group 1: Low-Carbon Development Initiatives - The two new cities are promoting low-carbon and near-zero carbon park construction by integrating local conditions and focusing on energy transition, building energy efficiency, traffic optimization, and industrial upgrading [2]. - The Xi'an Xianyang International Airport T5 terminal, which opened in February, incorporates numerous green design elements and has been recognized for four low-carbon cases at a major airport development conference [2]. Group 2: Renewable Energy and Technology Integration - The China Western Science and Technology Innovation Port's Yuanju Building integrates seven energy-saving and emission-reduction technologies, including solar photovoltaic facades that allow the building to achieve self-sufficiency in daily office electricity [3]. - The building's smart green energy system covers an area of 2,750 square meters, generating approximately 400,000 kilowatt-hours of electricity annually [3]. Group 3: Clean Heating Solutions - Fengxi New City is implementing a clean heating technology that utilizes deep geothermal energy to address high carbon emissions during winter heating [4]. - This technology involves drilling down 2,000 to 3,000 meters to extract underground heat, which is then distributed to buildings via heat pumps [4]. Group 4: Digital Transformation and Energy Management - Konggang New City leverages its unique resources, including the Xi'an Xianyang International Airport, to develop advanced manufacturing, aviation support, and high-end services [5]. - A digital transformation office has been established to promote low-carbon aviation and explore green smart airport solutions, utilizing Building Information Modeling (BIM) for efficient construction management [5][6]. Group 5: Research and Development Focus - The construction of zero-carbon parks is heavily reliant on continuous technological innovation, with a need for increased R&D investment in clean energy, energy efficiency, and carbon capture technologies [7]. - In 2024, Fengxi New City will collaborate with various institutions to establish a carbon neutrality innovation research center, aiming to accelerate the implementation of low-carbon technologies [7].

Meeting Overview - The second meeting of the Supervisory Board of Jiangsu Hengshang Energy Saving Technology Co., Ltd. was held on August 28, 2025, with all three supervisors present, complying with legal and regulatory requirements [1][2]. Financial Report Review - The Supervisory Board approved the 2025 Half-Year Report and its summary, confirming that it accurately reflects the company's financial status and operational results [1][2]. Fund Utilization Report - The Supervisory Board approved the special report on the storage and actual use of raised funds for the first half of 2025, with unanimous support from all supervisors [2][3]. Investment Structure Adjustment - The Supervisory Board approved the adjustment of the internal investment structure for certain fundraising projects, stating that the decision was made prudently based on the implementation status of the projects and the company's operational development, ensuring no harm to shareholder interests [2][3].

Group 1 - The core stock price of Zai Sheng Technology as of August 5, 2025, is 4.65 yuan, reflecting a decrease of 1.27% from the previous trading day, with a trading volume of 343 million yuan [1] - Zai Sheng Technology's main business includes clean air materials, energy-efficient materials, and dust-free air conditioning products, operating in industries such as glass fiber and building energy efficiency [1] - On August 1, Zai Sheng Technology announced plans to acquire 49% equity in Sichuan Maikelong Vacuum New Materials Co., Ltd. for 231 million yuan, gaining control over the company, which is the second-largest manufacturer of vacuum insulation panels in China, with an assessed value increase rate of 346% [1] Group 2 - The acquisition includes performance commitment clauses, with a promise that cumulative revenue from 2025 to 2027 will not be less than 1.674 billion yuan, and cumulative net profit will not be less than 86.61 million yuan [1] - As of August 5, 2025, Zai Sheng Technology experienced a net outflow of main funds amounting to 62.14 million yuan, with a total net outflow of 90.56 million yuan over the past five days [2]

Business Transformation and Strategy - The company has initiated a strategic plan for 2025, shifting its business focus from "investment holding" to a dual approach of "investment holding + high-end services" [2] - Key initiatives include the implementation of energy-saving business plans and the establishment of a digital services company to support the transition [3] Energy Efficiency and Services - The company is expanding its energy-saving services, focusing on both existing buildings and new constructions, with revenue sources including energy management and profit-sharing based on energy savings [5] - The gross profit margin for energy-saving projects is expected to decline in 2024 due to reduced electricity savings and increased project costs, prompting a strategic focus on key sectors such as public institutions and transportation [6] Biomass Projects and Financial Outlook - The company has filed for bankruptcy for two biomass project companies, with ongoing operations for others showing improvement, such as the successful operation of the Tengxian project [3] - The overall business outlook for 2025 is positive, driven by stable growth in industrial and building energy-saving sectors, and reduced impact from biomass projects [6] Market Presence and Client Distribution - The company's distributed photovoltaic projects are primarily located in five provinces, accounting for approximately 70% of installed capacity, serving major industries including automotive and pharmaceuticals [3] Risk Management and Compliance - The company is actively monitoring renewable energy subsidy policies, acknowledging potential risks of subsidy reductions for other projects following the biomass subsidy cuts [6]

Core Insights - The article discusses the competitive landscape and strategic positioning of companies in China's building energy efficiency market, highlighting key players and their market strategies [1][4][7]. Company Layout - Major companies in the building energy efficiency sector include China National Materials Group (中材节能), Beixin Building Materials (北新建材), Qidi Design (启迪设计), and others, with a focus on providing comprehensive energy-saving solutions [1]. - Companies like Nanwang Energy (南网能源) and Dashi Intelligent (达实智能) are particularly focused on offering integrated energy-saving services to the construction industry [1]. Regional Distribution - The building energy efficiency companies are primarily concentrated in Eastern and Southeastern coastal regions of China, with Jiangsu and Guangdong having the highest representation [3]. Competitive Hierarchy - The industry is divided into three tiers: - The first tier includes leaders like Beixin Building Materials, Nan Glass Group (南玻集团), and Huajian Group (华建集团), which have strong market influence and comprehensive capabilities [4]. - The second tier consists of companies like Nanwang Energy and Qidi Design, which focus on niche areas but have notable professional advantages [4]. - The third tier includes smaller firms like China National Materials Group and Hengshang Energy, which are still in the process of market expansion and technology accumulation [4]. Strategic Cluster Analysis - The competitive landscape is analyzed through a four-quadrant model based on revenue and gross margin, identifying Beixin Building Materials as a leader due to its innovative technologies and sustainable practices [7]. - Other notable companies in the prominent category include Nan Glass Group and Huajian Group, which maintain their leadership through resource management and energy efficiency measures [7]. Market Segmentation - In specific segments, companies like China Nanbo (中国南玻) and Fuyao Glass (福耀玻璃) lead in low-energy glass, while the window industry remains fragmented with no clear leader [11]. Competitive Dynamics - The analysis using Porter's Five Forces model indicates that supplier bargaining power is moderate, while buyer power is slightly weaker due to cost sensitivity and regulatory requirements [13]. - The threat of new entrants is low due to high technical barriers and regulatory requirements, although some cross-industry players are entering through partnerships [13]. - The intensity of rivalry is high, driven by technological advancements and price competition, alongside a surge of capital into the sector [13].

Core Insights - The article discusses the growth and trends in the building energy efficiency sector in China, highlighting the increasing energy-efficient building area and the investment trends in public, residential, and industrial buildings [1][4]. Group 1: Building Energy Efficiency Services - Building energy efficiency services include engineering services, software support, green prefabricated buildings, and BIPV (Building Integrated Photovoltaics) [1][2]. - Different building types require tailored energy-saving solutions, with public buildings focusing on systemic energy savings and residential buildings emphasizing comfort and cost balance [1]. Group 2: Energy-Efficient Building Area - As of 2020, China's energy-efficient building area reached 238.0 billion square meters, growing to 303.0 billion square meters by 2022, and further expanding to 326.8 billion square meters by 2023 [4]. - Projections indicate that by 2024, the energy-efficient building area could reach 360 billion square meters [4]. Group 3: Public Building Energy Consumption - Public buildings account for over 20% of national energy consumption, with hospitals, schools, and office buildings making up 38% of total building energy consumption [5]. - Investment in office buildings and commercial properties has been declining since 2018, with a projected investment of 416 billion yuan in 2024, reflecting a 9% year-on-year decrease [5]. Group 4: Residential Building Energy Efficiency - Residential energy efficiency focuses on insulation, natural lighting, renewable energy integration, and smart control technologies [8]. - The investment in residential buildings peaked and then declined, with 2023 investment dropping to 838.2 billion yuan and a further decrease to 760.4 billion yuan projected for 2024, a 10.5% decline [8]. Group 5: Industrial Building Energy Efficiency - Distributed photovoltaics are a significant application in industrial building energy efficiency, with cumulative installed capacity exceeding 100 million kilowatts by 2023 and projected to surpass 200 million kilowatts by 2024 [10][12].

Core Viewpoint - The article highlights the increasing electricity demand in China due to high temperatures, leading to a focus on optimizing energy use in buildings and promoting green, low-carbon construction practices [1][2]. Group 1: Energy Demand and Building Efficiency - In July, the peak electricity load in China reached a historical high of 1.465 billion kilowatts on July 4, driven by increased use of air conditioning and cooling devices [1]. - The construction industry is prioritizing energy efficiency and the development of high-quality, low-carbon buildings in response to rising energy demands [1]. Group 2: Midea's Global Innovation Park - Midea's Global Innovation Park in Shanghai, with an investment exceeding 7 billion and a building area of 400,000 square meters, showcases advanced technologies that transform buildings into "energy bodies" and "low-carbon engines" [1][3]. - The park features nearly 10,000 square meters of distributed photovoltaic panels, generating an average annual electricity output of 1.8 million kilowatt-hours, which accounts for 10% of the park's total annual electricity consumption [1]. - The photovoltaic system reduces carbon dioxide emissions by 1,732 tons annually and saves 552 tons of standard coal [1]. Group 3: Energy Efficiency Technologies - Midea has developed a magnetic levitation variable frequency centrifugal chiller, which improves energy efficiency by over 50% compared to traditional equipment, contributing to the park's low-carbon cooling system [2]. - The iBUILDING digital platform developed by Midea connects thousands of devices, optimizing energy consumption through real-time data monitoring and AI-driven strategies [2][3]. Group 4: Challenges and Solutions in Green Building - The green building sector faces challenges such as inconsistent local standards, financing difficulties for small and medium-sized renovations, and a lack of comprehensive carbon data [2][3]. - Midea is addressing these challenges by creating a "carbon ledger" through the iBUILDING platform, which tracks materials and operations, and by collaborating with partners like State Grid to innovate energy management solutions [3]. Group 5: Transformation and Ecosystem Development - Midea is evolving from a manufacturing giant to an enabler of building energy efficiency, integrating hardware and software solutions to create a comprehensive service for smart buildings [3]. - The company emphasizes the importance of ecological harmony and collaboration across the industry, positioning itself as a leader in the green building revolution [3].

Core Viewpoint - The article discusses the advancements and trends in China's building energy-saving technologies, focusing on the insulation of external walls, roofs, and windows, which can reduce energy consumption by over 30% and help meet national energy-saving standards [1][2]. Group 1: Building Energy-Saving Technologies - The building energy-saving technology emphasizes three main areas: external wall insulation, roof modifications, and window upgrades [1]. - External wall energy-saving modifications utilize materials like EPS (Expanded Polystyrene) boards to enhance insulation performance [2]. - Roof energy-saving improvements include the addition of concrete blocks for ventilation and the integration of green roofs to lower temperatures [2]. - Upgraded windows feature low-emissivity (Low-E) glass and double glazing to improve thermal insulation and reduce indoor energy consumption [2]. Group 2: Patent Applications and Trends - As of May 2025, China has filed 9,069 patent applications related to building energy-saving technologies, with a peak of 1,397 applications in 2023 [7]. - Leading patent applicants in the building energy-saving sector include Chengde Green Building with 143 patents, China Building with 124, and Zhuobao Technology with 121 [9]. - The most popular patent category is E04B (buildings), accounting for 24.1% of applications, followed by F24F (air conditioning and ventilation) at 9.7% [10][12]. Group 3: Airflow Management in Public Buildings - Effective airflow management is crucial for the energy-efficient operation of public buildings, focusing on indoor and outdoor air movement [4][5]. - Various ventilation modes are employed based on seasonal conditions, such as natural ventilation in transitional seasons and mechanical ventilation in winter [5]. - Airflow management strategies primarily target building airtightness and the design of HVAC systems [5].