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Knowing how to calculate the energy efficiency rating of an air source heat pump will not only help us choose a more energy-efficient heat pump, but also effectively reduce energy consumption during use and achieve a green life.   What is the energy efficiency rating? The energy efficiency rating is an important indicator for measuring the energy efficiency of an air source heat pump. It reflects how much heat or cold energy a heat pump can generate while consuming the same amount of electricity. The higher the energy efficiency rating, the less electricity the heat pump consumes under the same conditions of use, and the more energy-efficient it is. Calculation of energy efficiency ratio The energy efficiency rating of an air source heat pump is usually determined by calculating the energy efficiency ratio. The calculation formula for the energy efficiency ratio is: heating capacity ÷ heating power consumption. The heating capacity here refers to the heat generated by the heat pump in a certain period of time, while the heating power consumption refers to the electricity consumed by the equipment when generating this heat.   For example, if a normal temperature air source heat pump has a heating capacity of 20000W and a power consumption of 4340W, then its energy efficiency ratio is 20000 ÷ 4340 = 4.608. According to the value of the energy efficiency ratio, we can determine the energy efficiency level of this heat pump.   Classification of energy efficiency levels The classification standards of energy efficiency levels may vary from country to country, but there is usually a clear energy efficiency ratio range corresponding to different energy efficiency levels. Taking the classification standards for a certain period of time as an example, the correspondence between energy efficiency levels and energy efficiency ratio numbers is as follows:   Level 1 energy efficiency: energy efficiency ratio 3.8-4.6 Level 2 energy efficiency: energy efficiency ratio 3.6-4.4 Level 3 energy efficiency: energy efficiency ratio 3.4-4.1 Level 4 energy efficiency: energy efficiency ratio 3.2-3.9 Level 5 energy efficiency: energy efficiency ratio 3.0-3.7   By comparing the energy efficiency ratio value of the air source heat pump with the above range, we can easily determine its energy efficiency level.   The relationship between energy efficiency rating and power consumption It should be noted that the energy efficiency rating does not directly represent the actual power consumption of the air source heat pump. It is only the ratio of heating capacity to power consumption, which is used to measure the energy efficiency of the equipment. Therefore, when comparing the power consumption of different heat pumps, we also need to consider the specific values ​​of its heating capacity and power consumption.   Purchase suggestions When purchasing an air source heat pump, we should not only pay attention to its energy efficiency rating, but also need to consider it comprehensively in combination with actual needs and usage conditions. If the heat pump utilization rate is high, especially when it needs to run for a long time, the first-level energy-efficient heat pump may have a slightly higher initial investment, but it can save more electricity bills in the long-term use process and is more economical.   At the same time, we should also pay attention to the energy efficiency label on the air source heat pump. The energy efficiency label is equivalent to the ID card and certificate of conformity of energy-consuming products. The energy efficiency label means that the product meets the national factory standards and has 3C certification. Buying a heat pump with an energy efficiency label can be used with more confidence.

Choosing the right air source heat pump system for your home and maintaining it properly can allow you to enjoy comfortable heating and cooling all year round. Here are some tips to help you better use your air source heat pump and extend its life. 1. Schedule regular maintenance Making sure your air source heat pump is inspected and maintained by a professional technician at least once a year can significantly extend its life. Regular maintenance includes cleaning the evaporator and condenser coils, checking the refrigerant level, and inspecting the electrical components.   2. Change the air filter regularly Dirty air filters will restrict air circulation and reduce the efficiency of the air source heat pump. Be sure to replace the filter every 1-3 months depending on usage and air quality.   3. Keep the outdoor unit clean Make sure the air source heat pump outdoor unit is free of debris, leaves, and snow to ensure air circulation. This helps prevent overloading the heat pump system and extend its life.   4 Upgrade to a More Efficient Model If your air source heat pump is more than 10 years old, you may need to upgrade to a newer, more energy-efficient model from Daikin, or Mitsubishi Electric. These new heat pumps can provide better performance and a longer life.   When should you replace an air source heat pump? Air source heat pumps typically have a lifespan of about 15 years, but regularly maintaining the pump and replacing filters in a timely manner can help you maximize your investment. It's best to consider replacing the pump when you notice warning signs, such as uneven cooling air or a drop in efficiency ratings.

Air source heat pumps are devices that use a small amount of electricity to drive the compressor to convert low-grade heat in the air into high-grade heat and transport it to the room. Compared with traditional coal-fired or oil-fired heating methods, air source heat pumps have obvious advantages in energy saving and environmental protection. Moreover, with the application and development of smart home technology, "intelligence" has become an indispensable part of modern home appliances. The intelligent control function not only makes operation more convenient, but also automatically adjusts the operating status according to actual needs to achieve more sophisticated energy management. Importance of intelligent control of air source heat pumps 1. Energy saving and consumption reduction Through the intelligent control system, air source heat pumps can monitor indoor temperature changes and external environmental conditions (such as seasonal changes) in real time, and adjust the working mode of the equipment accordingly to achieve the best energy utilization rate. For example, reduce the output power at night or when no one is at home to save electricity expenses; when the outdoor temperature drops sharply, start the heat pump preheating program in advance to ensure that the room always maintains a suitable warmth.   2. Improve comfort In addition to the basic constant temperature function, some high-end air source heat pumps are also equipped with accessories such as humidity sensors and air quality detection modules, which can quickly respond to situations such as excessive or low indoor humidity or the presence of harmful gases. This not only avoids the risk of respiratory diseases caused by excessive use of heat pumps, but also creates a healthy and comfortable living space.   3. Smart interconnection experience Air source heat pumps that support Wi-Fi connection or Bluetooth communication technology allow users to remotely control and set various parameter indicators directly through the APP on their smartphones. In addition, some manufacturers provide solutions compatible with mainstream smart home platforms, so that it is easy to achieve linkage and collaborative operation with other devices in just a few simple steps, greatly improving the convenience of daily life.

Air source heat pumps work by transferring heat from one place to another, rather than using fuel to generate heat directly. This makes them as efficient as 300% to 400%, that is, they produce 3 to 4 times more energy than they consume. Radiant heaters, such as furnaces or electric heaters, can reach a maximum efficiency of 80% to 90%. Main factors affecting the efficiency of air source heat pumps 1. Evaporator Represents air, floor heating or hot water heating. Daikin and Mitsubishi Electric are well known for their high-efficiency evaporators that can effectively dissipate heat at lower temperatures.   2. Compressor The process of compressing refrigerant to increase its temperature. Since Copeland (Emerson) compressors are market leaders in energy-saving designs, significant cost savings are achieved.   3. Heat exchanger (condenser) Transfers the absorbed heat to your living space heating system. Viessmann heat exchangers are highly efficient and have low heat losses.   4. Expansion valve By measuring the refrigerant pressure, the internal pressure of the cooling system is reduced to prepare for the next cycle. Many manufacturers, such as Sporlan and Danfoss, provide high-quality expansion valves, which play a vital role in ensuring the stable operation of air source heat pumps.

With the intensification of global climate change, more and more extreme low temperature weather has appeared in northern my country in winter. In this case, the traditional coal-fired heating method can no longer meet people's needs and will cause great pollution to the environment. Therefore, as an emerging clean heating technology, air source heat pumps have been widely used and developed in recent years.   Air source heat pump refers to the technology that uses the reverse Carnot cycle principle to convert low-grade heat energy in outdoor air into high-grade heat energy for indoor heating through compressors, evaporators, condensers and other equipment. Compared with traditional heating methods, air source heat pumps have the characteristics of high efficiency, energy saving, environmental protection and safety. So, how does the air source heat pump perform in extreme winter weather? 1. Let's take a look at the adaptability of air source heat pumps in cold areas. Since air source heat pumps mainly rely on absorbing the heat contained in the outdoor air for heating, their efficiency will be affected to a certain extent when the temperature is extremely low. However, some high-end heat pumps currently on the market are usually equipped with low-temperature compensation devices or use advanced compressor technology to improve system performance, allowing them to operate normally and maintain a high heating capacity at temperatures of more than 20 degrees below zero or even lower. In addition, the reasonable design and installation of pipeline layout can effectively avoid problems such as freezing and blockage.   2. From the perspective of economic benefits, the use of air source heat pumps in extreme climate conditions still has obvious advantages over direct electric heating or gas wall-mounted boilers. On the one hand, it is because it can make full use of natural resources-that is, there is a large amount of untapped free energy in the atmosphere; on the other hand, it is because the initial investment cost of such products is relatively low (compared with ground source/water source products), and the maintenance cost is also relatively low. According to relevant data: Under standard working conditions (that is, when the inlet and outlet water temperatures are 5°C and 35~40°C respectively), the COP value of the air source heat pump system can reach more than 2 (that is, more than 2 kilowatts of heat can be obtained for every kilowatt of electricity consumed), which means that users only need to pay less electricity bills to enjoy comfortable room temperature conditions, thereby greatly reducing long-term operating costs.   Of course, in the actual application process, you also need to pay attention to some details to ensure that the entire system operates stably and reliably:   1. You must choose an air source heat pump model that is suitable for the local geographical environment and climate characteristics;   2. You must correctly construct and regularly check and maintain key components such as filters to see if they are clean and unobstructed;   3. You should formulate a scientific and reasonable use strategy based on your actual situation, such as setting an appropriate target temperature range, etc. Only in this way can you maximize the advantages of air source heat pumps and truly achieve energy conservation and emission reduction goals!   Final summary In short, despite facing severe tests, with the support of continuous innovation and progress, continuous optimization and upgrading, technological breakthroughs and a complete service guarantee system, the "air source heat pump" green and low-carbon solution can still provide people with a warm and comfortable living space in extremely harsh environments. In the future, with the continuous improvement of scientific and technological levels and the strengthening of policy-oriented support, I believe that there will be a broader development prospect!

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.