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Air handling coil

Views: 0     Author: Site Editor     Publish Time: 2023-04-28      Origin: Site

A chilled water air handling coil is a form of heat exchanger that is often used to cool and dehumidify air in HVAC systems. The coil is made up of a network of copper or aluminum tubes, each of which is connected to a header at one end. A sequence of aluminum fins surrounds the tubes, increasing the surface area for heat transfer.

Here are some of the main advantages and disadvantages of using a chilled water air handling coil:


Cooled water circulates through the coil's tubes, absorbing heat from the air flowing over the fins.

To fulfill the unique needs of the HVAC system, the coil can be constructed in a variety of designs and sizes.

A central chiller unit, which may offer efficient and dependable cooling for big commercial and industrial buildings, often supplies the chilled water.


A chilled water air handling coil can provide comfortable and healthy indoor air quality for building occupants by eliminating heat and moisture from the air.

Chilled water can be more energy efficient than standard refrigerant-based systems, resulting in lower operating costs and a smaller environmental effect.

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

They are often simple to maintain and repair, resulting in little downtime or interruption to building occupants.

It is critical to consider aspects such as needed cooling capacity, air flow rate, and pressure drop when selecting a chilled water air handling coil. In addition, the coil should be built to satisfy the unique needs of the building and HVAC system, including compatibility with the chiller unit and other equipment. A qualified HVAC professional can assist you in selecting and installing the right coil for your facility, as well as ensuring optimal performance and maintenance throughout time.

Chilled water air handling coil

Here is some more information on chilled water air handling coils:

The chilled water temperature supplied to the coil can vary based on the application and the desired cooling effect. Chilled water temperatures typically vary from 40-60°F (4-15°C), with lower temperatures used for particular applications such as data centers.

The air flow rate through the coil is a critical aspect in determining the system's cooling capacity and efficiency. bigger air flow rates can give more cooling capacity, but they can also cause bigger pressure drops and higher energy usage.

Depending on the available space and the needs of the HVAC system, chilled water air handling coils can be built for horizontal or vertical airflow.

The coil's fins are often composed of aluminum, which is both lightweight and corrosion-resistant. To improve heat transmission efficiency, the fins might be corrugated or louvered.

The chilled water in the system must be treated and maintained with the right chemicals and cleaning processes to ensure optimal functioning and prevent difficulties such as freeze-ups or corrosion. A trained HVAC technician or water treatment specialist is usually in charge of this.

Commercial buildings, hospitals, universities, and manufacturing facilities can all benefit from chilled water air handling coils. They are ideal for applications requiring precise temperature and humidity control, such as laboratories, clean rooms, and data centers.


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