quality High Temperature Heat Pump & Co2 Heat Pump factory

With the enhancement of environmental awareness and the continuous advancement of energy utilization technology, air source heat pumps, as an efficient and energy-saving hot water supply and heating and cooling system, are gradually favored by more and more families. However, when purchasing air source heat pumps, a common question is whether to choose two-phase electricity (mostly single-phase electricity in practice) or three-phase electricity. This article will discuss this issue from multiple angles to help consumers make a wise choice. First of all, we need to clarify the basic concepts of single-phase electricity and three-phase electricity. Single-phase electricity refers to a power supply method in which there is only one AC voltage source and one neutral line in the power system. Its voltage is usually 220V and is widely used in homes and small commercial places. Three-phase electricity refers to a power system with three phase voltage sources, which are 120 degrees apart from each other. The voltage of each phase is also usually 220V, but the voltage between the three phases is 380V, which is widely used in industry and high-power equipment.   Next, we analyze the application characteristics of the two power supply methods in air source heat pumps. Single-phase electric air source heat pumps are suitable for home and small commercial users. They have low installation costs, simple power wiring, and low construction difficulty. In addition, since the electricity demand of home and small commercial users is relatively small, single-phase electric equipment can already meet daily heating and cooling needs. However, single-phase electric equipment has large line losses when transmitting high power, and is prone to problems such as unstable voltage and excessive current, which may affect the normal operation and life of the equipment.   In contrast, three-phase air source heat pumps are more suitable for industrial users and high-power equipment. The three-phase power system can provide more stable power output, less voltage fluctuations, and can distribute current loads and reduce power losses. This makes three-phase electric equipment more efficient and stable during operation, which can reduce operating costs. In addition, the startup and operation performance of three-phase electric equipment is generally better than that of single-phase electric equipment, especially under high load conditions. However, the installation cost of three-phase electric equipment is high, the power wiring is complex, and the construction is difficult, requiring professional power engineers to design and install.   Leomon air source heat pump is compatible with a variety of terminals and supports various forms including floor heating, air disc and radiator, providing users with more comfortable cooling and heating effects and diverse choices. The air source heat pump occupies a small area and has the characteristics of dual use in one machine, which saves equipment installation space.

A mini split air source heat pump is a ductless HVAC system designed to provide heating and cooling to individual zones or rooms. Unlike central air conditioning systems that rely on extensive ducting, mini split air conditioning systems consist of two main components: an outdoor compressor and one or more indoor air handling units connected by refrigerant lines.   These systems are ideal for situations where ducting is not an option, such as older homes, home additions, or small commercial spaces. Ductless mini split heat pumps offer flexible zoned climate control, allowing you to customize the temperature of different rooms independently, saving energy and increasing comfort. How do mini split air source heat pumps work? Like all heat pumps, mini split air conditioners work by transferring heat rather than generating it. Here is a brief breakdown of their components and how they work:   How a Mini Split Air Source Heat Pump Works   1. Compressor (outdoor unit) Pressures the refrigerant and circulates it through the system.   2. Evaporator coil (indoor unit) Absorbs heat from indoor air when cooling and releases heat when heating.   3. Expansion valve Regulates refrigerant flow.   4. Refrigerant lines Connects indoor and outdoor units and delivers refrigerant.   5. Fan and filter Delivers treated air to the room and captures dust.   Mini split air source heat pump systems operate in reverse depending on the season - extracting heat from indoor air and transferring it outside in the summer, or absorbing heat from outdoor air and bringing it indoors in the winter. Advanced models such as the Leomon mini split air source heat pump also integrate an inverter-driven compressor, allowing it to adjust power usage based on demand, thereby improving energy efficiency and comfort.

People who grow flowers know that most flowers are very delicate. When the temperature is low in winter, the flowers may freeze to death; when the temperature is high in summer, the flowers may die of heat, especially the higher the level of flowers, the more difficult it is to maintain, and the higher the temperature requirements. Therefore, heating and cooling are equally important for the flower market.   With the development of science and technology and the promotion of the national "coal to electricity" project, the Xi'an flower market began to seek cleaner, more environmentally friendly, safer and more stable clean heating equipment. Leomon has won the favor of the project with its ultra-low temperature heating and high-efficiency energy-saving air source heat pump. 1. Dual use for cooling and heating Flowers are not only afraid of cold, but also heat. In the past, when coal-fired boilers were used for heating, indoor air conditioners needed to be installed to cool the market in summer. The air source heat pump integrates heating and cooling. One heat pump can meet the two needs of heating in winter and cooling in summer. Whether it is a severe winter or a hot summer, it can maintain a stable environment like spring in the flower market all year round and improve the quality of flowers.   2. Constant temperature and convenience Flowers are very sensitive to ambient temperature, and the market environment needs to be heated up in winter and cooled down in summer. The air source heat pump adopts an intelligent remote control system, which can intelligently control the temperature, automatically turn on and off the machine, etc., and does not require special personnel to watch, saving labor management costs, and the equipment is stable and reliable during operation, and the maintenance cost is relatively low.   3. Ultra-low temperature heating Considering the extremely low temperature in the local winter and the long heating period, the air source heat pump used in the project is a 60P air source heat pump specially developed by Leomon for the extremely cold environment in northern winter. It is equipped with ultra-low temperature jet enthalpy increase, intelligent defrosting and antifreeze and other top industry technologies, and can still operate stably in a low temperature environment of -35℃.   4. Energy-saving and economical The air source heat pump does not burn electricity, but relies on a small amount of electric drive machine to absorb a large amount of free heat energy in the air to heat. 1 part of electricity can absorb and convert 4 parts of heat energy. It is a heating equipment with higher heating efficiency on the market and is more energy-saving to use.   Final effect After the flower market switched to air source heat pumps, it has been running for a cooling and heating season, and the effect is good, which meets the constant temperature and energy saving needs of the flower market very well, and has been well received and favored by users.

With the phasing out of high GWP refrigerants such as R410A by F-gas regulations. R32 and R290 have become the two most promising candidates for air source heat pumps. They differ significantly in performance, flammability, long-term compliance, and market readiness. 1. Energy efficiency (COP/SCOP performance) Both R32 and R290 air source heat pumps have high seasonal energy efficiency. R32 air source heat pump systems can achieve SCOP values ​​of 4.47–4.58 (A+++) at 35°C and 3.22–3.32 (A++) at 55°C. R290 air source heat pumps typically have SCOP values ​​of more than 4.8, making them ideal for energy-saving projects in cold climates.   2. Water outlet temperature R32 AHP systems can reach up to 60–65°C. R290 refrigerant systems can reach up to 75–80°C, making them more suitable for retrofitting buildings with older radiators or higher domestic hot water demand.   3. Global warming potential (GWP) The difference between R290 AHP and R32 AHP is most evident in the environmental aspect. R32 AHP has a GWP of 675, while R290 has a GWP of only 3, which is fully in line with long-term decarbonization policies.   If you are looking for the closest synthetic replacement to R290 refrigerant, R32 is currently the most viable option in terms of thermodynamic behavior and system design, but still lags behind in terms of global policy support.   4. Safety class R32 refrigerant is A2L class (mildly flammable), while R290 refrigerant is A3 class (highly flammable). This difference affects the design of the air source heat pump, the required ventilation and safety control systems.   5. Operating pressure R32 refrigerant has an operating pressure of 12-26 bar; R290 refrigerant has an operating pressure of 6-12 bar. Lower operating pressure can reduce mechanical wear and simplify the design of certain air source heat pump system components.   6. Energy consumption Due to better thermodynamic properties and higher latent heat value, R290 air source heat pumps tend to consume less electricity seasonally, especially when operating under low outdoor temperature conditions.

Air source heat pump, this name contains two core concepts of "air source" and "heat pump", which aims to reveal its working mechanism and energy conversion process. Before understanding why the air source heat pump is named, we first need to understand the meaning of these two key concepts. "Air source" refers to energy extracted from the air, which is a clean and renewable form of energy. Similar to other renewable energy sources such as solar energy and wind energy, "air source" is a ubiquitous natural resource that is inexhaustible and inexhaustible.   The heat energy in the air can be converted into useful energy, whether it is warm summer or cold winter. Air source heat pumps use this principle to extract heat energy from outdoor air and then convert it into energy required to provide indoor heating or hot water through internal systems. A "heat pump" is a device that can transfer heat energy extracted from a low-temperature heat source to a high-temperature heat source. In an air source heat pump, the heat pump heats or cools the indoor environment by consuming a small amount of electrical energy and circulating refrigerant for heat exchange. Combining the concepts of "air source" and "heat pump", we can understand why air source heat pump is called air source heat pump. First of all, it is a heat pump that uses air as energy, which means that its energy comes from the ubiquitous air, not traditional fossil fuels. Secondly, it uses the working principle of the heat pump to achieve comfortable control of the indoor environment by converting the heat energy in the air.   Compared with traditional heating methods, air source heat pumps have many advantages. First of all, it is a renewable energy source, which has much less impact on the environment than heating methods that burn fossil fuels, and helps to mitigate global climate change. Secondly, the operating cost of air source heat pumps is low because it only consumes a small amount of electricity to drive the operation of the heat pump without directly burning fuel. In addition, air source heat pumps can also achieve multi-purpose use of one machine, which can be used for both heating and cooling, improving energy utilization efficiency.   Of course, the naming of air source heat pumps also reflects its technical characteristics and market positioning. As a new type of heating method, air source heat pumps have gradually been widely recognized and applied in the market. It is not only widely used in residential, office buildings and other construction fields, but also in agriculture, industry and other fields. Air source heat pumps are of great significance in terms of energy conservation, emission reduction, and environmental protection, and are one of the important directions for future sustainable development.

On November 1, 2025, Leomon successfully shipped 30 sets of R32 air source heat pumps (18kW each) to Canada. The shipment process was strictly monitored, and all products were securely packaged to ensure safe and undamaged transport. Our R32 air source heat pumps are designed and manufactured in full compliance with international heating standards. They feature excellent rapid heating, intelligent control, and automatic defrosting, ensuring stable operation under various outdoor temperature conditions.   This shipment further solidifies Leomon's growing position in the North American heating market and reflects the company's commitment to high-quality manufacturing, on-time delivery, and global partnerships.   Leomon will continue to provide reliable air source heat pumps to customers worldwide through advanced production technology and rigorous quality control.

On September 9, 2025, Leomon successfully delivered 10 sets of 45kW air source heat pumps to Italy. This delivery further demonstrates Leomon's continued commitment to the Italian residential heating market and its strong supply chain capabilities. Precision Products Designed for Specific Needs The 45kW air source heat pumps delivered this time were specifically designed and manufactured to meet the needs of residential heating. These products strictly adhere to EU standards, offering superior durability and reliability to ensure they meet the stringent requirements of local residential heating and hot water services.   Reliable Capability to Serve the Global Market As one of China's leading air source heat pump manufacturers, Leomon possesses mature production and export capabilities. With its strong production capacity and export-standard wooden packaging, the company ensures that its products are safely delivered to customers worldwide. Leomon's heat pump products have been exported to more than 30 countries and regions, including the United States, Germany, South Africa, and India, accumulating extensive experience in global transportation.   About Leomon Leomon offers a variety of heat pumps, including air source heat pumps, pool heat pumps, high-temperature heat pumps, and CO2 heat pumps. The company's heat pumps range from 10kW to 150kW and hold comprehensive certifications such as CE, ErP, Keymark, MCS, CB, and SAA. Leomon is committed to providing high-quality, highly reliable products and customized solutions to customers worldwide.

In May, Leomon completed the delivery of 15 sets of 6kW air source heat pumps to the Netherlands. This delivery marks another milestone in Leomon's ongoing collaboration with international heating operators and demonstrates the company's ability to provide large-scale, reliable supply solutions for demanding residential and commercial heating projects.   From design to delivery, the 6kW air source heat pumps underwent a complete industrial process on Leomon's production line. Advanced welding technology enhances the reliability of the unit system, potentially preventing refrigerant leaks. Axial fans are available, offering powerful airflow while maintaining low operating noise. Rigorous quality control procedures, including material verification, dimensional inspection, low-temperature testing, and noise testing, ensure that each air source heat pump meets stringent performance requirements before leaving the factory. To ensure the integrity of the products during transportation, the logistics arrangements for this shipment were carefully coordinated. Each air source heat pump was properly packaged to prevent corrosion and deformation and loaded strictly according to operating procedures. Leomon's supply chain team worked closely with logistics partners to optimize shipping routes and schedules, ensuring the safe and timely arrival of the air source heat pumps to support residential heating and hot water needs in the Netherlands.   This delivery will directly support local residential heating and hot water needs, helping to improve heating efficiency and reduce carbon emissions. For Dutch heating operators, replacing existing boilers with 6kW air source heat pumps means better heating stability, more efficient energy use, and longer maintenance intervals—all crucial for both residential and commercial heating.   Leomon's export business spans numerous international markets, including the United States, South Africa, Mexico, Turkey, India, the Netherlands, Kenya, Algeria, Mauritania, Iran, Brazil, Australia, Bangladesh, and Ethiopia. With extensive experience, Leomon can tailor technical and logistical solutions to different climatic conditions while strictly adhering to relevant standards and operational requirements.   Leomon thanks its partners and customers in the Netherlands for their trust and looks forward to continuing technical cooperation and providing after-sales support. For information on specifications, power, or future orders, please contact the Leomon sales team – we are ready to provide you with customized air source heat pump solutions to meet your project needs.

Recently, Leomon completed the production and shipment of another 10 ultra-quiet 10kW air source heat pumps, which have been successfully delivered to Denmark. This model of air source heat pump is renowned for its superior quiet operation and intelligent control, and is widely used in various residential and commercial heating and hot water supply applications, enjoying high recognition from customers in the European market. During the production process, Leomon strictly controls every aspect, including raw materials, components, inspection, and packaging, ensuring that all products meet international export standards. All air source heat pumps undergo comprehensive quality testing to guarantee customers receive stable and reliable products.   This latest shipment demonstrates the continued trust of overseas customers in Leomon's products and services, and lays a solid foundation for future cooperation. With the growing global demand for high-performance residential heating equipment, Leomon will continue to uphold its professionalism and focused attitude, driving Chinese manufacturing onto the world stage.

On February 15, 2025, Leomon successfully delivered 36 sets of 12kW air source heat pumps to the United States. This delivery marks another significant step forward in Leomon's efforts to expand its position in the international heating and hot water equipment market.   The 12kW air source heat pump is a key product for Leomon, renowned for its energy efficiency, intelligent control, and low-temperature heating. These air source heat pumps are designed to meet the stringent requirements of modern heating systems, ensuring safe and efficient home heating. This shipment to the US underscores the growing demand for high-quality heating equipment in the North American market and reflects Leomon's commitment to providing reliable products to customers worldwide. Leomon has become a trusted supplier in the heating industry, renowned for its innovation and quality. The company possesses advanced production facilities and rigorous quality control processes to ensure that every product meets the highest standards. The 12kW air source heat pump is no exception; it underwent extensive testing and certification before being approved for international export.   This export to the United States is part of Leomon's overall strategy to strengthen its position in the global market. The company has consistently collaborated with international partners and participated in industry exhibitions to showcase its products and capabilities. The successful delivery of the 12kW air source heat pump fully demonstrates Leomon's ability to meet customer needs and adapt to the evolving demands of the rail industry.   As Leomon continues to expand its global business, the company remains committed to innovation, quality, and customer satisfaction. This delivery of 36 sets of 12kW air source heat pumps to the United States marks a significant milestone for Leomon in its pursuit of a leading position in the international heating equipment market.