Low operating energy
Energy use is focused on fans and the water-circulation components.
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Drift Eliminator
PVC Fill
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V-Type Adiabatic Dry Cooler
Direct Evaporative Air Cooler
Fresh-air cooling for well-ventilated industrial spaces
HACST Direct Evaporative Air Coolers use water-wetted pads and fan-driven airflow to lower incoming air temperature. They are a practical option for workshops, warehouses and other well-ventilated spaces in dry climates.
100% fresh outside airFan & pump energy only5–500 kW modular rangeNo refrigerant circuit
DESIGN & OPERATION
Evaporative cooling that works with your ventilation strategy
Warm outdoor air is drawn through wetted cooling pads. As water evaporates, the air temperature is reduced before the conditioned air is supplied to the space. The system works best where adequate ventilation and suitable climate conditions are available.
- Evaporative pad stage: wetted media provides the air-temperature reduction.
- Forced-air delivery: axial fans move filtered outdoor air through the space.
- Water-system care: pad, pump, filter and drainage design support dependable operation.
KEY ADVANTAGES
A practical cooling solution for demanding operating conditions
Fresh-air ventilation
The system delivers filtered outdoor air rather than recirculating room air.
No refrigerant circuit
Direct evaporation provides cooling without a conventional refrigerant system.
Simple service routine
Pads, filters, pumps and water lines can be inspected as part of planned maintenance.
ENGINEERING OPTIONS
Configured to fit your process and site
Airflow requirement, climate, humidity, ventilation path, water quality and maintenance access should be considered together before selecting an evaporative cooling solution.
Airflow delivery
Fan and duct or discharge configuration are selected around the ventilated space.
Pad media
Pad material can be selected for durability, water conditions and service requirements.
Water management
Filtration, flushing and drainage should be planned around local water quality.
Controls
Operating schedules and fan/pump control can be aligned with occupancy and ambient conditions.
TYPICAL APPLICATIONS
Where this system delivers the greatest value
HACST works with project teams to match cooling technology, operating conditions and installation constraints to the application.
Workshops and factoriesWarehouses and logistics areasTextile facilitiesAgricultural buildingsSemi-open industrial spacesDry-climate ventilation upgrades
START WITH THE RIGHT DATA
Four inputs for selecting a Direct Evaporative Air Cooler
- Assess local climateConfirm the expected temperature and humidity during the operating season.
- Define the ventilated areaShare space dimensions, occupancy, heat sources and fresh-air path.
- Review water conditionsIdentify water quality, drainage route and practical pad-maintenance access.
- Plan the air distributionConfirm required airflow, fan location, discharge direction and control schedule.
ENGINEERING SUPPORT
Need help selecting a cooling system?
Share your process data, design ambient conditions and site constraints. Our engineering team will help define a practical configuration.
Ready to Optimize Your Cooling System?
Explore HACST's high-performance cooling solutions. Whether you need cooling towers, evaporative condensers, or air coolers, our solutions are built to meet your industrial and HVAC needs. Get in touch with our experts for a custom quote!