Evaporative coolers – also known as swamp coolers – are a well-regulated and eco-friendly way to cool indoor spaces, particularly during dry climates. These appliances cool their surroundings using natural evaporation. This method is a cheaper alternative to regular air conditioning because it uses water in the pads, which evaporates when outdoor air passes over them. This evaporation can lower the air temperature by 15° to 40°F before it enters your home.
This article explores everything about evaporative coolers, including their functions, key components, maintenance tips, and the benefits of choosing a suitable one for your home. By learning how these systems work and their benefits, homeowners and landlords can select innovative ways to cool their homes and offices and save a significant amount of money.
Important Components of an Evaporative Cooler
Evaporative coolers provide an affordable, energy-efficient cooling solution, particularly for dry climates. They use evaporation to reduce temperatures and improve air quality. Evaluating their vital parts is key to understanding their functionality.
Fan and Motor Assembly: Every evaporative cooler has a fan and motor assembly that circulates air to cool down the temperature. The belt-driven fan operates at various speeds to meet different cooling needs, while the motor supplies the power for operation.
Water Distribution System: The water distribution system is vital for an evaporative cooler because it provides water to the media pads. It consists of a reservoir, a float valve to adjust water levels, and a pump that circulates water to the pads, ensuring optimal evaporation by maintaining a consistent flow over them.
Cooling Pads: Evaporative coolers use cellulose or synthetic cooling pads near the fan to cool air. Warm air passing over the wet pads evaporates water, which lowers the temperature. The increase in saturation levels and surface area enhances cooling efficiency.
Housing: Housing protects the internal parts of the evaporative cooler and makes it look better. Made from sturdy materials like galvanised steel or plastic, it keeps dirt and other debris away from important components. Its design also helps with air intake and exhaust, which improves cooling performance.
Dampers and Louvers: Dampers and louvers are important for controlling air in evaporative coolers. Dampers adjust the airflow for better cooling, while louvers are vents that guide the cooled air to particular rooms. Together, they ensure even cooling in the area.
Control System: The control system in an evaporative cooler is important for efficient operation. It usually has a thermostat to monitor the temperature and turn the cooler on or off as needed. A fan speed control lets users select between low, medium, or high airflow to suit their comfort preferences.
Types of Evaporative Coolers AirXpress Hire Offers
If you seek a reliable solution for a special event or to improve comfort during the summer, the latest evaporative coolers are here for you. These units provide efficient temperature control and preserve a pleasant atmosphere for gatherings or workplaces. With their eco-friendly design and cost-effectiveness, evaporative coolers are ideal for your cooling needs.
500L/s Evaporative Cooler
This is one of the most powerful evaporative air coolers, and it comfortably cools large indoor and semi-outdoor settings. Its motor ensures maximum airflow among our indoor evaporative air coolers, with a 36-cm fan blade optimising performance. A constant water supply, a 40-litre tank, and overflow protection enable long, self-running operation, making it ideal for demanding commercial use.
Features
- Continuous water supply connection for the hose
- 3 adjustable speeds: low, medium, and high
- User-friendly mechanical control panel for easy operation
- Powerful airflow capacity of 1800 m³/hr (1062 cfm)
- Convenient top water inlet section for manual filling
Uses
A 500 L/s evaporative cooler, designed for larger spaces, is suitable for a variety of applications, including the following:
- Industrial Settings: Factories, warehouses, garages, and car workshops.
- Recreational and Commercial Spaces: Sports centres and outdoor areas.
- Educational and Office Environments: Schools, offices, and academic centres.
- Data Centers and Telecom Sites: Server rooms, network centres, and key communication hubs.
- Other Applications: Greenhouses and animal shelters.
750L/s Evaporative Cooler
750L/s Evaporative Cooler is ideal for indoor and outdoor use. Its 60L tank allows for extended cooling without frequent refills, effectively refreshing an area of up to 80 square metres. Its efficient design enhances summer comfort, making it a better option for domestic and commercial properties.
Features
- Variable speeds for ideal comfort
- Two-sided cooling for faster room temperature drop
- Body-level air throw feature
- Maintenance-free cooling with an overflow system
- Continuous water supply for uninterrupted refreshment
Uses
Cooling both indoor and semi-outdoor settings, this type of evaporative cooler is effectively used in multiple spaces, like:
- Industrial Settings: Factories, warehouses, garages, and car workshops
- Recreational and Commercial Spaces: Sports centres and outdoor areas
- Educational and Office Environments: Schools and offices
- Data Centres and Telecom Facilities: Server rooms and communication hubs
1,250L/s Evaporative Cooler
The 1,250L/s Evaporative Cooler is a portable air cooler, perfect for keeping indoor and semi-outdoor areas up to 30m² cool and comfortable. It is also great for targeted cooling when necessary. The unit has a Touch LED Panel, remote control, and four fan speeds for tailored comfort. It employs a low-wattage water pump to circulate water from the tank over three cooling pads. The 0.17 kW axial fan pulls in outside air and directs it through the wet pads, cooling it through evaporation.
Features
- Adjustable/automatic louvres
- 3-side air inlet
- Cooling area (m²): Up to 30
- Side water inlet compartment for manual filling
- Easy-to-operate and reliable LCD panel, along with a remote control panel
- 4 speeds
- Powerful airflow: 4500 m³/hr (2648 cfm)
Uses
A 1250 L/s evaporative cooler offers energy-efficient, cost-effective cooling suitable for large spaces.
Commercial and Industrial
- Factories and Warehouses
- Sport and Leisure Centres
- Retail Spaces
- Data Centres:
- Schools and Educational Centres
- Restaurants and Bars
- Public and Government Facilities
- Bakeries and Pharmaceutical Settings
- Greenhouses and Tea Industry
- Textile Industry
Outdoor Applications
- Terraces and Outdoor Dining Areas
- Tents and Events
- Construction Sites
- Garages and Car Workshops
2500L/s Evaporative Cooler
This small, effective evaporative air cooler is ideal for keeping indoor and semi-outdoor areas (up to 50 m²) chill and comfortable. Its strong motor provides great airflow and uses an innovative axial fan blade for better performance. The cooler also connects to a continuous water supply and has a large 120-litre water tank. 2500L/s Evaporative Cooler comes with handy remote and timer settings of around 1h, 2h, 4h, and 8h for long-term use. This makes it the preferred choice for industrial and commercial spaces.
Features
- 3 speeds: high, medium, low
- Powerful airflow: 8100 m³/hr (4767 cfm)
- Adjustable horizontal and automatic swing louvres
- Effective cooling area: up to 50 m²
- Side water inlet compartment for manual filling
- Option for continuous water supply via hose connection
- User-friendly with a dependable LCD panel and remote control
- 3 side air inlets
Uses
Because of its high airflow, this type of evaporative air cooler can be used for a variety of applications, such as the following:
- Industrial Settings: Factories, warehouses, garages, and car workshops.
- Commercial and Recreational Spaces: Gyms/outdoor sports centres, film and TV shoots, outdoor areas, schools, offices, medical rooms, shopping malls, supermarkets, restaurants, cafés, and pubs.
5,000L/s Evaporative Cooler
The 5,000L/s Evaporative Cooler is a flexible, energy-saving portable evaporative air cooler that cools large indoor and semi-outdoor areas. It is manufactured for durability and performance, featuring a quiet fan driven by a pure copper motor and a large 175-litre water tank. With 50 adjustable speeds, you can customise your cooling experience.
Enjoy odour-free cooling pads, a user-friendly digital touch panel, and a convenient remote control that boosts efficiency and air quality. This outstanding cooling solution is best suited for commercial and industrial use, where you and your loved ones can get a comfy and healthy environment.
Features
- 1–8 hours shutdown timer
- 50 adjustable fan speeds
- Silent axial fan, copper motor
- Energy-efficient >92%
- Odour-free, dust-proof cooling pads
- Digital touch panel & remote control operation
- 175L water tank
- Swivel casters with brakes
- High airflow is 5000 L/s
- Durable body with stainless screws
- Optional UV lamp and water pump
Uses
These coolers are designed for applications where large volumes of air need to be cooled, such as:
- Industrial Facilities: Factories, warehouses, and storage areas.
- Outdoor Areas: Terraces, tents, and outdoor dining areas.
- Sports Centres: Paddle, tennis, and climbing gyms.
- Educational Institutions: Schools and educational centers.
- Other Uses: Garages, car workshops, data centres, and telecom.
6,500L/s Evaporative Cooler
6,500L/s Evaporative Cooler is one of the best ways to keep large indoor and semi-outdoor spaces cool. Its strong motor provides excellent airflow, which makes it a best bet among our indoor air coolers, and the unique fan blade improves performance.
This unit features a continuous water supply, a large 100-litre water tank, a remote control, and a programmable timer with automatic start and stop functions. It also includes an automatic swing function and built-in overflow protection. This unit is designed for long-term, unattended use and is ideal for busy commercial and industrial properties.
Features
- Side water inlet compartment for manual filling
- Continuous water supply connection for hose
- Easy-to-use and reliable LCD and remote control panels
- 3 speeds – high, medium, and low
- Strong airflow: 23500 m³/hr (13832 cfm)
Uses
- Offices/Construction Offices/Workers’ Dormitories
- Retail/Restaurants
- Major Events/Film and TV Shoots
- Small to Medium Server Rooms/Data Centres
- Warehouse/Manufacturing Spot Cooling
- Schools/Aged Care Facilities
- Medical Rooms
- Indoor Sport Courts/Gyms/Outdoor Sport Courts
- Food/Packing/Textile Factory Spot Cooling
- Outdoor Entertainment Areas
- Greenhouses/Farms
How to Choose the Right Evaporative Cooler for Your Space?
Choosing the best evaporative cooler for your needs is essential to get the best performance, comfort, and energy savings. Understandably, all evaporative coolers follow the same principle, yet multiple factors regarding effectiveness and applicability must be considered for a specific space or temperature. This section is here to assist you in making the best choice.
1. Measure Your Space
Calculate the square footage and check the ceiling height. Larger spaces require coolers with more advanced CFM ratings.
2. Know the Airflow Rate (CFM)
CFM indicates how much air the cooler moves per minute. Larger rooms need a higher CFM. To estimate, follow a formula for CFM to achieve 30 air changes per hour.
- (square footage x ceiling height) / 2
3. Check Water Tank Size
A larger tank extends cooling time as you do not have to refill it repeatedly.
4. Consider Noise Level
Choose a cooler with a low decibel rating for quiet environments.
5. Consider Setup
Some coolers are portable and can be installed easily, while others require expert installation.
6. Choose a Cooler Type
Options include portable, ducted, and window-mounted models, each with unique benefits.
7. Know Your Climate
They are ideal for hot, dry areas and less effective in humid climates.
