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Water source heat pump technology in the application of some of the issues that need attention
Environmental pollution and the energy crisis have become two of the most pressing challenges in modern society. Harnessing natural cold and heat sources can offer dual benefits—energy conservation and environmental protection—for air conditioning systems, making them increasingly popular. A water-source (ground temperature) heat pump system is a central air conditioning technology that meets these demands. This system uses surface water as a source of heat and cooling. In summer, the water temperature is lower than the ambient air temperature, which reduces the condensation temperature and improves cooling efficiency compared to air-cooled systems or cooling towers. In winter, the water temperature is higher than the ambient air, increasing the evaporation temperature and boosting the heat pump’s energy efficiency. Unlike air-source heat pumps, it avoids the challenges of defrosting during cold weather.
When using water-source (geothermal) heat pump technology, several factors must be carefully considered. Hydrological analysis before installation is crucial. It should be based on the actual conditions of groundwater sources, with thorough feasibility studies and analyses. The key principles include sufficient water supply, appropriate water temperature, good water quality, stable flow, and reliable recharge. Therefore, conducting detailed and scientific hydrogeological investigations is essential.
The water-source heat pump unit is the core component of the system, directly affecting the reliability and performance of the entire setup. It is recommended to choose manufacturers with a strong reputation, especially those with advanced technical capabilities, long production experience, and excellent after-sales support. While water-source heat pumps generally have a high coefficient of performance (COP), typically ranging from 4 to 6, some domestic manufacturers claim COP values as high as 7, 8, or even 11 and 12. These claims are often exaggerated and not scientifically accurate, which is misleading and irresponsible to users.
The key technology in a water-source heat pump system lies in the well construction. Drilling deep, large-diameter steel wells is critical for efficient operation. French manufacturer CIAT has unique expertise and advanced techniques in well drilling, allowing for optimized water usage and successful pumping and recharge. Since the water-source heat pump system has high utilization efficiency, the equipment and materials must meet strict quality standards. Proper matching of auxiliary devices and components is also essential for achieving optimal results.
CIAT maintains a consistent approach of delivering high-quality engineering solutions, selecting premium equipment and materials, and ensuring every project serves as a model for success and promotion. For clients, this means greater social and economic benefits. A central air-conditioning system is a long-term investment that requires reliable and continuous operation to deliver effective results. During the design and construction phases, quality control must be strictly enforced to meet national standards and regulations. Every stage—from design to equipment selection, construction, and well drilling—must center around this goal to ensure a durable and efficient system.