A fixed type evaporative air cooler is a stationary industrial cooling system commonly used in factories, warehouses, and large industrial spaces. Unlike portable units, fixed type systems are permanently installed and designed to deliver continuous, high-volume airflow through direct discharge or ducting.
This page explains what a fixed type evaporative air cooler is, how it works, where it is used, and when it is suitable.
A fixed type evaporative air cooler is an industrial air cooling unit installed at a fixed location, typically mounted on a wall, rooftop, or structural frame. The unit draws in outdoor air, cools it through evaporative cooling pads, and supplies cooled fresh air into the building.
Key characteristics:
Permanent installation
Designed for continuous operation
Can be ducted or direct discharge
Commonly used in large, open or semi-open industrial spaces
For a broader explanation of evaporative cooling principles and system types, refer to our Industrial Air Cooler Guide.
A fixed type evaporative air cooler operates using the evaporation of water to reduce air temperature.
Basic operating process:
Outdoor air is drawn into the unit
Air passes through water-saturated cooling pads
Heat is absorbed during evaporation
Cooled fresh air is supplied into the space via discharge or ducting
This process provides continuous fresh air ventilation, unlike air conditioning systems which recirculate indoor air.
Fixed type and portable evaporative air coolers serve different purposes. Choosing the correct type depends on application and operating requirements.
| Feature | Fixed Type Evaporative Air Cooler | Portable Evaporative Air Cooler |
|---|---|---|
| Installation | Permanent (wall / rooftop / structure) | Mobile / movable |
| Airflow capacity | High | Low to medium |
| Cooling coverage | Large areas | Spot cooling |
| Ducting support | Yes (optional) | No |
| Operation | Continuous | Intermittent |
| Typical usage | Factories, warehouses, workshops | Temporary or localized cooling |
Fixed type systems are generally selected for industrial applications, while portable units are used for temporary or localized cooling needs.
This video shows the internal structure of a fixed type evaporative air cooler, including the cooling pads, fan assembly and water distribution system.
This video demonstrates the basic operation and control panel functions (button-style & touch screen) of a fixed type evaporative air cooler, including cooling mode, ventilation mode, and timer settings.
Download and print out the manuals of Fixed Type Evaporative Air Cooler and display it next to the control panel so that your workers can understand how to operate the air cooler! Save your time to teach them one by one.
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Fixed type evaporative air coolers are commonly used in:
Heat generated by machinery
Large floor areas with high ceilings
Need for continuous fresh air
Large open volumes
Loading and storage areas
Energy-efficient airflow cooling
Fabrication and assembly areas
Retrofit installations
Mixed ventilation requirements
Fixed type evaporative air coolers are commonly used in:
Heat generated by machinery
Large floor areas with high ceilings
Need for continuous fresh air
Large open volumes
Loading and storage areas
Energy-efficient airflow cooling
Fabrication and assembly areas
Retrofit installations
Mixed ventilation requirements
Fixed type evaporative air coolers are designed for long operating hours with relatively low energy consumption compared to air conditioning systems.
General characteristics:
Lower power usage than AC systems
Continuous fresh air supply
Simple mechanical operation
Routine maintenance required for cooling pads and water system
Energy-efficient for large spaces
Provides fresh air ventilation
Suitable for open or semi-open areas
Lower operating cost compared to AC
Not designed for sealed, temperature-critical rooms
Cooling performance depends on airflow design
Does not provide precise temperature control like air conditioning
Understanding both advantages and limitations helps ensure correct system selection.
While fixed type evaporative air coolers are widely used in industrial environments, suitability depends on:
Building layout
Heat load
Ventilation requirements
Airflow distribution
If you are evaluating a complete cooling solution for your facility, you may refer to our Industrial Air Cooler Solutions for Factories & Warehouses, This page focuses on system design, installation, and site assessment.
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CrystalAir also provides professional evaporative air cooler servicing to maintain fixed type systems in peak condition. Scheduled maintenance and timely repairs help extend equipment lifespan and reduce unexpected downtime.
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