Beijing Holtop Artificial Environment Technology Co., Ltd
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Holtop AHU Modular Air Cooled Chiller(Heat Pump)

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CFA Series Ceiling Mounted Energy Recovery Ventilators CE Certified

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Holtop Combined Air Conditioning Units Air Handling Units AHU

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China Beijing Holtop Artificial Environment Technology Co., Ltd
about us
Beijing Holtop Artificial Environment Technology Co., Ltd
Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments. Founded in 2002, it has dedicated to the research and technology development in the field of heat recovery ventilation and energy saving air handling equipments for more than 20 years. Holtop has 400 employees and covers an area of more than 70,000 square meters. Annual production ability of heat recovery equipment reaches 200,000 sets. Holtop supplies OEM products for Midea, LG, Hitachi, McQuay, York, Trane and Carrier. As an honor, Holtop was the qualified supplier for Beijing Olympics 2008 and Shanghai World Exposition 2010. Holtop mainly deals in air conditioning products, fresh air products and heat exchanger products. Among them, the air conditioning products include roof-mounted air conditioners, modular air-cooled water-cooled heat pump air conditioners, and direct expansion type air conditioners, which are the best-selling products. The fresh air products include the CFA series of energy recovery ventilators, which are the best-selling products.The heat exchanger products mainly include plate heat exchangers, 3D counter-flow high-efficiency heat exchangers, plate-fin heat exchangers, etc. Currently, Holtop has served 106 countries and regions, addressing the needs of over 5 million customers. It is highly favored and loved by the international market and customers.
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Holtop Makes a Brilliant Debut at CHPC · 2025 Heat Pump Conference 2025-09-16 Recently, the "CHPC · 2025 Heat Pump Industry User Ecosystem Conference", hosted by the Chinese Association of Refrigeration, was grandly held in Tianjin. The conference attracted over 50 industry experts and more than 1,200 heat pump practitioners from all over China to gather together, focusing on the construction of the heat pump industry ecosystem and the path of high-quality development. As a dedicated player in air treatment and energy-saving technologies, Holtop was invited to attend and discuss the future with industry partners. At this grand event, Holtop, relying on its long-term practice and innovative achievements in the field of energy conservation and emission reduction of heat pump products, won the "CHPC · China Heat Pump" 3rd Member Congress Membership Certificate. This honor is not only a high recognition of Holtop's long-term commitment to technological innovation and promotion of green development, but also an important affirmation of the company's active participation in the dual-carbon goal and its leadership in the industrial transformation and upgrading. Behind this honor lies the mission and responsibility that Holtop has always adhered to, which also injects stronger momentum into the company's continued development. At the communication site, participants shared practical scenarios in the application of heat pump equipment. From heat pump technologies in cold northern regions to energy-saving applications of waste heat recovery, heated discussions were held around core pain points such as equipment operation efficiency in different environments, adaptability to extreme climates, and long-term energy consumption control. Combining the underlying technical logic of its star products, Holtop's technical team disassembled key solutions in a targeted manner, while extending to the exploration of future industry trends. Through in-depth communication, participants not only solved practical puzzles in heat pump applications, but also gained insight into the innovative direction of green HVAC technologies. Holtop's Modular Inverter Air-Cooled Chiller (Heat Pump) Units adopt advanced DC inverter technology and integrate a number of innovative technologies in their internal structure. The units can achieve stepless capacity adjustment from 15% to 100%, enabling more precise water temperature control. The ultra-low starting current ensures stable and reliable operation of the units. The precise intelligent defrosting based on multi-variable parameters greatly improves user comfort and meets the cooling and heating needs of different places. The units reach the first-level energy efficiency, with remarkable energy-saving effects. For cold northern regions, Holtop's Low-Temperature Air-Source Heat Pump Units have obvious advantages. These units adopt EVI (Enhanced Vapor Injection) compressors, matched with advanced high-efficiency heat exchangers and parallel control technology, and have excellent heating performance even in low-temperature environments as low as -35°C. The heating COP (Coefficient of Performance) of the units is as high as 3.64, and the cooling COP is as high as 3.48, meeting the national first-level energy efficiency standard. They can perfectly replace traditional boiler heating, meet the heating needs in low-temperature environments, and have low operating costs, making them an excellent choice for winter heating. Holtop's Total Heat Recovery Air-Cooled Heat Pump Units are equipped with double-pipe heat recovery heat exchangers, which can 100% recover the condensation heat released during the refrigeration process for hot water production, realizing the reuse of waste heat. The unit control adopts double four-way valves + diaphragm check valves + double electronic expansion valves + multi-solenoid valve control technology, enabling efficient operation in 5 modes. With an IPLV (Integrated Part-Load Value) as high as 7.4, the units not only bring users double improvements in energy conservation and economic benefits, but also are highly consistent with the concept of green and low-carbon development. The entire series of Holtop's Modular Air-Cooled Chiller (Heat Pump) Units can be intelligently controlled through multi-variable monitoring, with precise adjustment for each refrigeration system. This ensures stable water temperature control and balanced system operation, guaranteeing the efficient and stable operation of the units. Each RS485 interface can control 16 modular units, and up to 8 interfaces can be connected to control a total of 128 modular units. The control system judges the actual frosting condition by monitoring the change rate of the temperature difference between the outdoor temperature and the evaporation temperature, and performs defrosting accordingly, reducing unnecessary energy consumption. The defrosting process does not affect the water temperature, ensuring stable water temperature. Honor is recognition, but also responsibility. Taking this award as an opportunity, Holtop will continue to adhere to technological innovation and product upgrading, deepen the multi-scenario integrated application of heat pumps and air treatment, and promote the green and coordinated development of the industrial chain. In the future, the company will align its strategy with that of "CHPC · China Heat Pump", and contribute more to green buildings and the dual-carbon goal with more efficient, energy-saving and environmentally friendly air treatment solutions, working together with industry partners to promote the progress of the industry.
Holtop Successfully Completes Turnkey Project of Replacing Old Constant Temperature and Humidity Process Air Conditioner 2025-09-09 Recently, Holtop, a leading enterprise in the field of air treatment and environmental control, has successfully concluded the turnkey project of dismantling and replacing the old constant temperature and humidity process air conditioning system for Inner Mongolia Mengkun Cigarette Factory Co., Ltd. (hereinafter referred to as "Mengkun Cigarette Factory"). This project not only marks a solid step forward in the upgrading of Mengkun Cigarette Factory's production environment support facilities but also further demonstrates Holtop's strong technical strength and professional service capabilities in the field of industrial process air conditioning.​ Mengkun Cigarette Factory, as an important part of China's tobacco industry, has always attached great importance to the stability and precision of the production environment. The original constant temperature and humidity process air conditioning system in the factory had been in operation for a long time, and there were problems such as reduced operating efficiency, increased energy consumption, and difficulty in meeting the increasingly strict process environment requirements of modern cigarette production. In order to ensure the high quality and stable production of cigarette products, Mengkun Cigarette Factory decided to carry out a comprehensive "dismantle old and replace new" transformation of the process air conditioning system and finally selected Holtop as the cooperative partner for this turnkey project after multiple rounds of strict screening and evaluation.​ Throughout the project implementation process, Holtop adhered to the concept of "customer - centered, quality - oriented" and established a professional project team consisting of technical consultants, design engineers, construction supervisors, and after - sales service personnel. In the early stage, the team conducted in - depth on - site investigations of Mengkun Cigarette Factory's production workshops, fully understood the production process characteristics, air conditioning load requirements, and existing facility conditions, and then customized a set of high - efficiency, energy - saving, and stable constant temperature and humidity process air conditioning solutions. The solution adopted Holtop's self - developed core technologies, such as high - efficiency heat exchange, precise temperature and humidity control, and intelligent energy management, which can not only ensure that the temperature and humidity in the production workshop are maintained within the extremely strict process range (temperature fluctuation ≤ ±0.5℃, humidity fluctuation ≤ ±2%) but also significantly reduce energy consumption compared with the old system. ​ During the construction phase, considering that Mengkun Cigarette Factory could not stop production for a long time, Holtop formulated a scientific and reasonable phased construction plan. The project team carried out the dismantling of the old equipment and the installation of the new equipment in batches during the off - peak production periods of the factory, and strictly controlled the construction progress and quality to minimize the impact on the normal production of the factory. At the same time, Holtop also sent professional technical personnel to conduct on - site guidance and training for the operation and maintenance personnel of Mengkun Cigarette Factory to ensure that they can proficiently master the operation skills and daily maintenance knowledge of the new air conditioning system after the project is completed.​ After nearly 2 months of hard work, the entire project was successfully completed and passed the acceptance of Mengkun Cigarette Factory with high standards. The actual operation data shows that the new constant temperature and humidity process air conditioning system has achieved excellent performance: the temperature and humidity control precision in the production workshop has reached or even exceeded the design requirements, the indoor air quality has been significantly improved, and the energy consumption per unit of output has been reduced by more than 20% compared with before the transformation. The relevant person in charge of Mengkun Cigarette Factory expressed his satisfaction with the results of the project: "Holtop has provided us with a high - quality, efficient, and energy - saving air conditioning solution, and the whole project process is professional and efficient, which has effectively guaranteed the stable operation of our production line and the improvement of product quality. We look forward to further in - depth cooperation with Holtop in the future."​ For Holtop, the successful completion of this turnkey project is not only a recognition of its technical strength and service level but also an important practice in expanding the application of its products and solutions in the tobacco industry. In the future, Holtop will continue to focus on technological innovation and product upgrading, and provide more high - quality, energy - saving, and intelligent environmental control solutions for more enterprises in different industries, contributing to the green and sustainable development of China's manufacturing industry.
Breakthrough: Holtop Masters Passive House Construction Technology and Obtains PHI Certification 2025-09-02 In a significant leap forward for the global green building industry, Holtop, a leading innovator in sustainable building solutions, has officially announced its mastery of passive house construction technology and successful acquisition of the prestigious Passive House Institute (PHI) certification. This milestone not only marks Holtop's technical prowess in the field of energy-efficient architecture but also paves the way for wider adoption of eco-friendly building practices across residential, commercial, and public infrastructure projects worldwide.​ Passive house technology, renowned as one of the most rigorous standards for energy-efficient and low-carbon buildings, focuses on minimizing energy consumption for heating, cooling, and ventilation while maximizing indoor comfort, air quality, and durability. Achieving PHI certification—awarded by Germany’s Passive House Institute, the global authority on passive building standards—requires strict compliance with a series of stringent criteria, including ultra-high thermal insulation, airtight building envelopes, high-performance windows and doors, and advanced heat recovery ventilation systems. For years, mastering this technology has been a key goal for companies aiming to lead the transition to a more sustainable built environment, and Holtop’s success now positions it as a front-runner in this global movement.​ Holtop’s journey to this breakthrough began over three years ago, driven by a commitment to addressing the urgent challenges of climate change and rising energy costs. The company assembled a dedicated team of engineers, architects, and sustainability experts who collaborated closely with international passive house specialists to conduct in-depth research and development. Throughout the process, Holtop invested heavily in advanced testing facilities, including a state-of-the-art thermal performance lab, to refine its building systems and ensure every component met or exceeded PHI’s strict requirements. From optimizing insulation materials to designing highly efficient heat recovery units, every detail was scrutinized to achieve the perfect balance of energy efficiency, structural integrity, and user comfort.​ The PHI certification process itself was a rigorous test of Holtop’s capabilities. A team of independent auditors from the Passive House Institute conducted a comprehensive evaluation of Holtop’s passive house prototypes, including on-site inspections, thermal imaging tests, airtightness measurements, and energy consumption simulations. After months of rigorous assessment, Holtop’s technology not only met all PHI standards but also achieved exceptional performance in key areas, such as heat recovery efficiency (exceeding 90%) and airtightness (well below the maximum allowable air leakage rate).​ Commenting on the certification, Mr. Zhang Wei, CEO of Holtop, stated: “This achievement is a testament to our team’s dedication to innovation and sustainability. Passive house technology is no longer a niche concept—it is a necessity for building a greener, more resilient future. By mastering this technology and obtaining PHI certification, we are now able to offer our clients solutions that not only reduce energy costs by up to 75% compared to traditional buildings but also create healthier, more comfortable living and working spaces. This is a game-changer for our company and for the industry as a whole.”​ The impact of Holtop’s breakthrough is expected to extend far beyond its own operations. As countries around the world tighten regulations on carbon emissions and energy efficiency—such as the European Union’s “Green Deal” and China’s “Dual Carbon” goals—the demand for certified passive house solutions is growing rapidly. Holtop’s PHI certification enables it to tap into these expanding markets, providing governments, developers, and homeowners with a trusted, high-performance option for sustainable building. Moreover, by sharing its technical expertise and experience, Holtop aims to accelerate the adoption of passive house technology across the industry, driving a broader shift toward low-carbon construction.​ Looking ahead, Holtop has outlined ambitious plans to scale up the production and deployment of its PHI-certified passive house systems. The company is set to launch a new line of integrated passive house solutions tailored to different climate zones, from cold northern regions to hot and humid tropical areas. It also plans to collaborate with leading architectural firms and real estate developers to implement large-scale passive house projects, including residential communities, office buildings, and schools. Additionally, Holtop will invest in training programs to educate more professionals on passive house design and construction, building a skilled workforce to support the industry’s growth.​ Industry experts have praised Holtop’s achievement, noting its potential to transform the green building landscape. Dr. Emily Carter, a senior researcher at the International Energy Agency’s (IEA) Sustainable Buildings Programme, said: “PHI certification is a gold standard for passive house technology, and Holtop’s success demonstrates that companies from diverse markets can excel in this field. By making high-quality passive house solutions more accessible, Holtop is helping to bridge the gap between sustainability goals and real-world implementation. This is a crucial step forward in our collective effort to reduce the building sector’s carbon footprint, which accounts for nearly 40% of global energy-related emissions.”​ As the world continues to grapple with the challenges of climate change, Holtop’s mastery of passive house technology and PHI certification serves as a beacon of innovation and progress. It is a reminder that through dedication, investment, and collaboration, the building industry can transition to a more sustainable, energy-efficient future—one passive house at a time.​
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