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Chilled Water Air Handling Coil

Views: 0     Author: Site Editor     Publish Time: 2023-04-24      Origin: Site

Chilled water air handling coil

A chilled water air handling coil is a type of heat exchanger that is commonly used in HVAC systems to cool and dehumidify air. The coil consists of a network of copper or aluminum tubes that are connected to a header at each end. The tubes are typically surrounded by a series of aluminum fins that increase the surface area for heat transfer.

Here are some key features and benefits of using a chilled water air handling coil:


Chilled water is circulated through the tubes of the coil, which absorbs heat from the air passing over the fins.

The coil can be designed with various configurations and sizes to meet the specific requirements of the HVAC system.

The chilled water is typically supplied by a central chiller unit, which can provide efficient and reliable cooling for large commercial and industrial buildings.


By removing heat and moisture from the air, a chilled water air handling coil can provide comfortable and healthy indoor air quality for occupants of a building.

The use of chilled water as a cooling medium can be more energy efficient than traditional refrigerant-based systems, which can result in lower operating costs and reduced environmental impact.

Chilled water air handling coils can be used in conjunction with other HVAC equipment such as air filters, humidifiers, and heaters to provide a complete climate control system for a building.

They are generally easy to maintain and repair, with minimal downtime or disruption to the building occupants.

When selecting a chilled water air handling coil, it is important to consider factors such as the required cooling capacity, air flow rate, and pressure drop. The coil should also be designed to meet the specific needs of the building and the HVAC system, including compatibility with the chiller unit and other equipment. A qualified HVAC professional can help select and install the appropriate coil for your building and ensure proper operation and maintenance over time.

Chiller Hot Water Heating or Chilled Water SS Cooling Coils

Some additional information on chilled water air handling coils:

The temperature of the chilled water supplied to the coil can vary depending on the specific application and the desired cooling effect. Typically, chilled water temperatures range from 40-60°F (4-15°C), although lower temperatures may be used for special applications such as data centers.

The air flow rate through the coil is an important factor in determining the cooling capacity and efficiency of the system. Higher air flow rates can provide greater cooling capacity, but may also result in higher pressure drops and increased energy consumption.

Chilled water air handling coils can be designed for horizontal or vertical airflow, depending on the space available and the requirements of the HVAC system.

The fins on the coil are usually made of aluminum, which is lightweight and corrosion-resistant. The fins may be corrugated or louvered to increase their heat transfer efficiency.

To ensure proper operation and prevent issues such as freeze-ups or corrosion, the chilled water in the system must be treated and maintained with the appropriate chemicals and cleaning procedures. This is typically done by a trained HVAC technician or water treatment specialist.

Chilled water air handling coils can be used in a variety of applications, including commercial buildings, hospitals, universities, and manufacturing facilities. They are especially well-suited for applications where precise temperature and humidity control are required, such as laboratories, clean rooms, and data centers.


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