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Industrial DC Inverter Air Source Heat Pump Hot Water Boiler for Constant Temperature and Continuous Supply

Circulating Air-Source Heat Pump Water Heating
This circulating air-source heat pump water heating system consists of a heat pump unit, a circulation pump, and an insulated storage tank. The unit absorbs low-grade thermal energy from the air via a refrigerant cycle, while the circulation pump continuously draws cold water from the tank into the unit for heat exchange. The water temperature rises by 3~5℃ per pass, with repeated cycling until the target temperature is reached. Utilizing a "high flow rate, low temperature difference" heating logic, the system ensures balanced unit loading, stable defrosting, and a low failure rate. It features intelligent automatic start/stop temperature control, providing a stable supply of constant-temperature hot water 24 hours a day. Highly energy-efficient (saving over 70% in energy costs) and operating with no open flames or emissions, it is ideal for commercial centralized hot water projects with high demand, such as hotels, schools, hospitals, and factories.

Stable and Durable Heating
Gradual temperature rise via low-temperature-difference water circulation ensures balanced unit loading and smooth defrosting, resulting in low long-term failure rates and extended equipment lifespan.

Energy-Efficient and Cost-Saving
Absorbs free thermal energy from the air and utilizes circulating heat exchange to boost efficiency; saves over 70% in energy compared to electric or gas water heating, ensuring low operating costs.

24 Hour Constant-Temperature Water Supply
The water pump ensures continuous circulation for heat exchange, resulting in minimal water temperature fluctuations and a stable, 24-hour supply of ample, constant-temperature hot water—meeting the continuous water usage needs of hotels, factory complexes, and similar facilities.

Safe, Eco-Friendly, and Risk-Free
No open flames or risks of fuel/gas leaks; zero exhaust emissions; intelligent electronic start/stop control; fully compliant and safe for commercial centralized hot water applications.
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  • KFXRS-21 E P/C1

  • TENESUN

Core Product Advantage

This inverter heat pump uses full DC inverter technology for stepless power adjustment. Unlike fixed speed units, it regulates output based on real time load, preventing energy loss from frequent start stop cycles. This significantly boosts the comprehensive COP and efficiency. By maintaining optimal frequency, the unit reduces wear and maximizes savings, providing a reliable heating solution for commercial use. The intelligent inverter control ensures that energy is consumed only when needed, dramatically reducing overall operating costs for large facilities while extending the mechanical life of the compressor and other critical components.

Practical Function Design

The system features a circulating heating method with a small temperature difference for precise control. By gradually heating water through continuous circulation, it ensures stable temperatures during peak hours. This design minimizes fluctuations, providing a consistent hot water supply 24 hours a day. The process also reduces thermal stress, enhancing the stability of centralized hot water systems. The precision of the temperature management system prevents sudden drops in heat, which is vital for high demand environments like hotels and fitness centers where guest comfort depends on a reliable, non fluctuating water supply.

Material And Specification Details

Equipped with a DC inverter compressor, this unit ensures quiet, durable performance. The absence of an open flame provides superior safety compared to gas boilers. The soft start function reduces electrical impact, while anti corrosion materials ensure a service life exceeding 15 years. Its low vibration design maintains noise levels far below standards, making it perfect for noise sensitive projects. Each unit is built with high grade internal piping and advanced heat exchangers designed for maximum thermal transfer. The integrated safety features and robust construction make it a maintenance friendly choice for professional property managers and industrial facility operators.

Application Scenarios

With a wide operating range, this heat pump provides stable heating even in extreme cold. The inverter technology prevents capacity decay in winter, ensuring reliable water supply year round. It is ideal for high occupancy venues like hotels, gyms, and industrial plants requiring continuous constant temperature water. This versatile unit meets the rigorous demands of modern commercial and industrial projects. Its reliable performance in sub zero temperatures makes it the go to solution for projects in colder climates where traditional heating methods fail to maintain efficiency. It is equally effective for hospital hot water systems and school dormitory centralized heating.

Packaging And Supply Support

We offer full OEM support and customized parameters for B2B partners. Each unit is rigorously tested and packed in reinforced wooden crates for safe global delivery. Our support team provides 24/7 guidance for installation and commissioning, ensuring a seamless procurement experience. We also supply complete technical documentation to assist with local compliance, helping contractors deploy systems globally. From pre sales engineering consultation to post delivery technical support, we stand behind our products to ensure a professional and efficient partnership. Our logistical experts manage the shipping process to guarantee that your equipment arrives on time and ready for installation.

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