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Industrial EVI Air Source Heat Pump Hot Water Heater Low Temp Circulating Heating Air to Water Pump System

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-38 E B/A

  • TENESUN

Core Product Advantage

This circulating heating type air source heat pump is engineered for superior energy efficiency and long term operational stability. By utilizing an advanced thermal exchange logic that absorbs free energy from the ambient air, the system achieves a remarkable energy saving rate of over seventy percent compared to traditional electric or gas powered water heaters. The core advantage lies in its specialized circulating heating mechanism, which maintains a uniform load on the compressor and ensures stable heating performance throughout the seasons. This zero emission heating solution not only reduces your carbon footprint but also significantly lowers daily operational costs, providing a professional and sustainable hot water infrastructure for any large scale commercial enterprise seeking to optimize their utility expenditure.

Practical Function Design

The system adopts a high flow and small temperature difference heating strategy to ensure optimal water quality and temperature consistency. The circulating water pump continuously draws cold water from the storage tank into the heat pump unit, achieving a incremental temperature rise of three to five degrees Celsius per cycle. This gradual heating process prevents sudden thermal stress on the components, resulting in a more stable defrosting cycle and a significantly lower failure rate during winter operation. The entire hot water system is managed by an intelligent temperature control system that features automatic start and stop functions based on real time water usage, guaranteeing a constant and reliable supply of high temperature water twenty four hours a day with minimal manual intervention.

Material And Specification Details

Every component of this centralized hot water system is built to industrial standards for maximum durability. The main unit is equipped with a high performance brand compressor and a specialized heat exchanger designed for optimal heat transfer. The system includes a heavy duty circulating water pump and an optional high density insulated water tank that maintains heat for extended periods. The cabinet is constructed from high grade, anti corrosion galvanized steel to withstand harsh outdoor environments for over fifteen years. With precision sensors and an electronic expansion valve, the system monitors all critical parameters to ensure safe and efficient operation. We provide detailed specifications for heating capacity and water volume output to meet the specific requirements of your centralized heating project.

Application Scenarios

Our circulating heating air source heat pump is the ideal choice for massive hot water demands in diverse commercial and industrial sectors. It is perfectly suited for luxury hotels, large boarding schools, healthcare complexes, and employee dormitories where thousands of liters of constant temperature water are required daily. The robust design makes it an excellent solution for public bathhouses, fitness centers, and sports clubs that need a steady and high volume water supply. For manufacturing plants and food processing facilities requiring process hot water, this system provides a safe and cost effective alternative to traditional boilers. Its reliable performance in varied climates ensures it can support centralized hot water projects in both urban developments and remote industrial parks globally.

Packaging And Supply Support

As a professional HVAC solution provider, we offer comprehensive support for international project contractors and wholesalers. Our product is designed with a no open flame and zero gas leakage profile, ensuring full compliance with strict commercial safety regulations and fire safety standards. We provide professional OEM and ODM customization services, including custom system sizing and branding options to align with your local market needs. Each unit is packaged in reinforced, export standard wooden crates to guarantee zero damage during international shipping. Our technical team offers round the clock online support for installation guidance, system commissioning, and long term maintenance strategies, ensuring that your investment delivers reliable performance and exceptional energy savings from the very first day of operation.

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