Air Handling Unit Coil
Air Handling Unit (AHU) coil is a vital component in HVAC systems, designed to heat or cool air. It comprises tubes through which refrigerant or water circulates and fins that increase the surface area for effective heat exchange. As air moves over the coil, it undergoes heating or cooling, thereby conditioning the air before it’s distributed throughout the building. This process is essential for maintaining desired indoor temperature and air quality.
Air Handling Unit Coil
Specification Details of
| Specification | Description |
|---|---|
| Type of Coil | Heating Coil / Cooling Coil / DX Coil / Steam Coil |
| Material | Copper tubes with aluminum fins / Stainless steel / Galvanized steel |
| Fin Configuration | Corrugated / Flat / Wavy |
| Tube Diameter | 3/8 inch / 1/2 inch / 5/8 inch |
| Number of Rows | 1 / 2 / 3 / 4 / 6 rows |
| Fin Density | 8 – 14 fins per inch (FPI) |
| Cooling Capacity | Ranges from 5 kW to 100 kW (or more based on application) |
| Heating Capacity | Ranges from 5 kW to 100 kW (or more based on application) |
| Airflow Rate | 500 – 10,000 cubic feet per minute (CFM) |
| Pressure Drop | Typically between 0.1 to 0.5 inches of water gauge (in. WG) |
| Connection Type | Threaded / Flanged |
| Coil Coating | Optional coatings for corrosion resistance (e.g., epoxy, phenolic) |
| Certifications | AHRI / UL / CE |
Air Handling Unit Coil
Application on
Commercial Buildings
- Purpose: Provide heating and cooling to maintain comfortable indoor temperatures and air quality.
- Application: Used in offices, shopping malls, hotels, and other commercial spaces.
Hospitals and Healthcare Facilities
- Purpose: Ensure precise temperature and humidity control for patient comfort and health.
- Application: Utilized in patient rooms, operating theaters, and laboratories.
Educational Institutions
- Purpose: Provide a comfortable learning environment with controlled air quality.
- Application: Installed in classrooms, libraries, and administrative buildings.
Air Handling Unit Coil
Function of
Heating and Cooling
- Function: Air handling unit (AHU) coils are responsible for heating or cooling the air that passes through them.
- Process: Heating coils use hot water, steam, or electric elements, while cooling coils use chilled water or refrigerant to condition the air.
Humidity Control
- Function: AHU coils help in maintaining the desired humidity levels within the indoor environment.
- Process: Cooling coils can dehumidify the air by condensing moisture, while heating coils can add heat to lower relative humidity.
Air Quality Improvement
- Function: Coils contribute to improving indoor air quality.
- Process: By regulating temperature and humidity, they help reduce mold growth and other airborne contaminants.
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