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格力两科技成果获“国际领先”鉴定,可助数据中心提升节能
Nan Fang Du Shi Bao· 2025-07-29 05:50
Core Viewpoint - The rapid development of big data and AI technologies is driving the growth of data centers, which are projected to consume over 1100 KWh of electricity by 2024, with air conditioning systems accounting for 40% of total energy consumption, highlighting the urgent need for energy-saving innovations [1][3] Group 1: Technological Innovations - Gree Electric's newly developed "high-efficiency rotary volume refrigerant pump and machine room air conditioning" and "multi-adaptive wide-frequency high-efficiency rotary compressor and air conditioner" have been recognized as "internationally leading" technologies [1][3] - The rotary volume refrigerant pump is noted as an international first, significantly improving energy efficiency and addressing traditional refrigerant pump challenges [5][8] Group 2: Industry Context - The scale of data centers in China is rapidly expanding, with over 8.8 million standard racks expected by the end of 2024, driven by the "East Data West Computing" initiative, AI computing power demands, and green low-carbon policies [3] - Data centers are referred to as "smokeless steel mills" due to their rapid energy consumption growth, making the push for green transformation and energy efficiency crucial for industry development [3] Group 3: Energy Consumption Insights - Traditional communication machine rooms have air conditioning as a major energy consumer, accounting for over 30% of total energy costs [4] - The new refrigerant pump technology allows for a significant increase in operational temperature range, enhancing energy efficiency and enabling substantial energy savings, with estimates of 240 million kWh saved annually if adopted by major telecom operators [5][7] Group 4: Compressor Technology Advancements - Gree's multi-adaptive wide-frequency rotary compressor has overcome industry challenges related to low efficiency and reliability, achieving a frequency range of 1Hz to 200Hz, which is significantly broader than the conventional range [7][8] - The compressor's efficiency improvements include a 5% increase across all frequency bands, a 10% enhancement in seasonal energy efficiency, and a 15% boost in low-temperature heating capacity, ensuring better user experience and energy savings [7][8]
格力发布两项压缩机国际标准,董明珠发声
第一财经· 2025-06-12 12:51
Core Viewpoint - Gree Electric Appliances and Hefei General Machinery Research Institute announced two international standards for refrigeration compressors, aiming to enhance the global competitiveness of Chinese companies in the air conditioning sector [1][2]. Group 1: International Standards Announcement - The two international standards include "Performance Evaluation of Centrifugal Refrigeration Compressors" and "Performance Evaluation of Positive Displacement Refrigeration Compressors," developed in collaboration with Tsinghua University [1][2]. - These standards reflect trends in energy efficiency, health, and environmental protection, allowing Chinese companies to establish international standards using their own technology [1][2]. Group 2: Market Context and Growth Potential - The global refrigeration compressor market was valued at 128.55 billion yuan in 2023 and is projected to grow to 177.22 billion yuan by 2029, indicating a significant growth opportunity in the sector [2]. - The International Energy Agency predicts that the number of air conditioners worldwide will triple by 2050, reaching 4.5 billion units, with tropical countries and non-traditional air conditioning regions becoming key markets [2][3]. Group 3: Technical Advancements and Industry Challenges - The newly released standards cover a wide range of applications, including air conditioning, heat pumps, and refrigerators, and emphasize reliability and modern design considerations [2][3]. - Despite China's leading position in compressor production, there remains a gap in high-end technology compared to advanced countries, highlighting the need for ongoing innovation [3]. Group 4: Company Performance and Strategic Focus - Gree Electric Appliances is the largest manufacturer of split air conditioners globally, facing intensified competition in both domestic and international markets [3]. - The company's revenue for 2024 is projected at 189.2 billion yuan, a decrease of 7.26% year-on-year, while Q1 2025 revenue is expected to be 41.507 billion yuan, an increase of 14.14% [3].
格力发布两项压缩机国际标准,董明珠发声
Di Yi Cai Jing· 2025-06-12 08:23
Core Viewpoint - Gree Electric Appliances and Hefei General Machinery Research Institute announced two international standards for refrigeration compressors, aiming to enhance the global competitiveness of Chinese companies in the air conditioning sector [2][4]. Company Summary - Gree Electric Appliances, as the largest split air conditioner manufacturer globally, produces 50 million compressors annually and is now establishing international standards to leverage its technology [2][4]. - The company reported a revenue of 189.2 billion yuan for 2024, a decrease of 7.26% year-on-year, while the first quarter of 2025 saw a revenue of 41.507 billion yuan, an increase of 14.14% year-on-year [5]. Industry Summary - The global refrigeration compressor market is valued at 128.55 billion yuan in 2023 and is projected to grow to 177.22 billion yuan by 2029, highlighting the importance of developing efficient compressors and establishing standards for industry growth [4]. - The international standards announced include performance evaluation for centrifugal and volumetric refrigeration compressors, which are crucial for various applications such as air conditioning, heat pumps, and refrigeration [4][5]. - The global air conditioning market is expected to triple by 2050, reaching 4.5 billion units, with significant growth anticipated in tropical and non-traditional regions [3].
建筑节能改造加速:AI算法+热回收技术撬动3000亿元节能市场
Hua Xia Shi Bao· 2025-05-01 13:06
Group 1: Industry Overview - China's building energy consumption accounted for 44.8% of the total national energy consumption in 2022, with carbon emissions from the building sector making up 48.3% of national energy-related carbon emissions [2] - Only about 3%-5% of newly constructed buildings each year are energy-efficient, with air conditioning, lighting, and power facilities consuming nearly 80% of the energy [2] - The building energy-saving market in China has seen an average annual growth rate of over 15% in the past five years, with expectations to exceed 300 billion yuan by 2029, indicating significant market potential [5] Group 2: Policy and Targets - By 2025, the building sector aims to have a more robust energy-saving and carbon reduction system, with new ultra-low energy buildings increasing by over 20 million square meters compared to 2023, and existing building energy-saving renovations increasing by over 200 million square meters [4] - Policies such as the "14th Five-Year Plan for Building Energy Conservation and Green Building Development" emphasize the importance of smart energy-saving technologies and the promotion of ultra-low energy and near-zero energy buildings [2][4] Group 3: Technological Innovations - Hitachi has introduced the SET-FREE RIII series multi-split air conditioning units, which utilize new pressure control technology to reduce renovation costs and improve energy efficiency [6][7] - The SET-FREE Extreme series employs high-efficiency heat recovery technology, achieving energy savings of 30%-70% compared to traditional methods, and is designed for various industrial applications [7] - Hitachi has completed its digital transformation, achieving breakthroughs in AI energy optimization and zero-carbon algorithm models, with a goal to reduce carbon emissions across its product lifecycle by 41% and production emissions by 16% [10]
格力电器宣布推出AI多联机新品,平均节能率达25%
Xin Lang Ke Ji· 2025-04-30 08:50
Group 1 - Gree Electric's GMV9 Zhiyue multi-split air conditioning unit is the first AI multi-split unit in the industry designed with energy efficiency as the control target, achieving an average energy saving rate of 25% through real-time AI energy-saving control strategies [1] - The GMV9 Zhiyue multi-split unit is recognized as an important achievement in promoting the green transformation of the industry, with its technology reaching "international leading" level as certified by a panel of experts [1] - The launch of the GMV9 Zhiyue multi-split unit signifies Gree Electric's commitment to advancing the air conditioning industry towards a more efficient, greener, and smarter phase [1] Group 2 - Gree's "Zero Carbon Source" photovoltaic storage direct drive air conditioning system integrates photovoltaic power generation, energy storage, direct current distribution, and flexible electricity usage, achieving a photovoltaic direct drive utilization rate of 99.06% [2] - This system is widely applicable in public buildings, factories, venues, schools, hotels, hospitals, and commercial complexes, and has served over 35 countries and regions globally [2]
日立中央空调全球首发SET-FREE双料新品 推动制冷行业低碳技术升级
Group 1 - The 36th International Refrigeration, Air Conditioning, Heating, Ventilation, and Food Freezing Processing Exhibition (2025 China Refrigeration Exhibition) opened in Shanghai, focusing on the entire industry chain's technology, products, and solutions under the theme "Smart Connected Heating and Cooling, Sharing the Future" [1] - Qingdao Hisense Hitachi Air Conditioning Marketing Co., Ltd. showcased its new products, including the SET-FREE RIII series and SET-FREE Extreme Series, emphasizing its technological advancements in energy-efficient building renovations and industrial low-carbon needs [1][2] - The company aims to transition from a technology pioneer to an ecological builder, having completed its digital transformation and achieved breakthroughs in AI energy optimization, zero-carbon algorithms, and new energy coupling technologies [1][2] Group 2 - To accelerate carbon neutrality, the company established the industry's first "Product Lifecycle Carbon Management Platform" in 2024, collaborating with 430 global partners to promote lightweight materials and low-carbon manufacturing processes [2] - The company's green factories have achieved a 41% reduction in product carbon emissions and a 16% decrease in production carbon emissions, with a goal of achieving carbon neutrality across the entire industry chain by 2030 [2] - The company integrates "green genes" into product design and manufacturing processes, continuously exploring low-carbon pathways in collaboration with industry partners [2] Group 3 - During the exhibition, the company presented its villa space solution tailored for the high-end home decoration market, utilizing a global user big data model to create a comfortable ecological space for villa users [3] - The solution integrates cooling, underfloor heating, fresh air, dehumidification, and humidification systems, employing AI algorithms for self-operation and self-sensing [3] - The low-carbon matrix includes internationally recognized products such as water-source multi-connected machines and photovoltaic multi-connected machines, designed to meet diverse air demand scenarios in industrial parks and super high-rise buildings [3]
走访上市公司 推动上市公司高质量发展系列(十)
证监会发布· 2025-03-10 11:17
丨 来源:新华社客户端 2025-03-07 一对一协助排忧解难 深交所持续走访上市公司 上交所启动百家民营企业大调研 深入一线问计问需 切实推动解决实际问题 增强民企发展信心 近期,深交所持续走访调研上市公司,深入了解上市公司当前遇到的实际困难、问题和诉 求建议,针对性提供一对一"答疑解惑",着力协助上市公司排忧解难,进一步支持上市公司更 好发展。 记者获悉,自2024年11月以来至目前,深交所已走访调研北京、上海、广东、浙江、江 苏、山东等地逾90家上市公司。汇川技术、德赛西威、三花智控等相关上市公司在与深交所交 流时表示,将好好把握来之不易的优势,保持战略定力,以实现更长远的发展目标,为投资者 创造更多价值。 走访调研中,深市上市公司介绍了近年来聚焦主业、深耕产业实现高质量发展的实践经 验,提出了在关键核心技术攻关、开辟发展新领域新赛道、塑造发展新动能新优势等方面存在 的问题和困难,还对如何利用资本市场推动自主创新、塑造发展新动能新优势提出意见建议。 不久前,德赛西威43.99亿元定增获证监会批文,是资本市场支持下加速产品智能化升级 的案例之一。"本次向特定对象发行股票有利于德赛西威通过有序的产能扩张提 ...