What is Air Cooler? (Everything you need to know!)
- Better Appliances
- 5 days ago
- 6 min read

Staying cool during hot weather conditions is essential to maintaining comfort and well-being today.
Air conditioners may be an economical choice, but their purchase, operation, and maintenance costs can add up quickly.
Air coolers, also known as evaporative coolers, provide an affordable, energy efficient, and eco-friendly alternative to conventional air conditioning systems.
But what exactly is an air cooler, and how does it operate?
This blog will cover everything there is to know about air coolers, from their working mechanisms and benefits, types, and maintenance tips.
What is an Air Cooler?
An air cooler is a device used to reduce temperature by evaporating water into the atmosphere and cooling it down.
Air coolers differ from air conditioners by using natural processes of evaporation to cool air.
Evaporative cooling units are particularly effective in hot and dry climates where air humidity levels are low.
Air coolers are portable, user-friendly devices that consume significantly less electricity compared to air conditioners - making them a fantastic option for homes, offices and outdoor spaces alike.
How Does an Air Cooler Work?

Air coolers operate using evaporation to generate cooling effects, and here is how it works:
Water Absorption: Air coolers come equipped with a water tank which you fill up, while some more advanced models even enable you to add ice cubes for additional cooling effects.
Cooling Pads: Inside of a cooler are cooling pads made from absorbent materials like wood wool or cellulose, designed to absorb and store any liquid released by the tank.
Fan Mechanism: The cooler comes equipped with a fan which draws hot air away from its surroundings through wet cooling pads.
Evaporation Process: As warm air passes over wet pads, moisture evaporates away to absorb heat from the atmosphere and cool the atmosphere significantly. This evaporation process significantly decreases temperatures in the room.
Cool Air Distribution: Once chilled air has been collected in its container, a fan can distribute it back into the room to reduce temperatures and provide relief from heat stress.
Humidity Increase: Since air coolers depend on evaporating water into the atmosphere, they also add moisture into the environment - something which may prove helpful in dry climates but less useful when deployed in humid regions.
Types of Air Coolers

Air coolers come in various varieties designed for specific uses and spaces. Below are the most prevalent varieties:
1. Personal Air Coolers:
Best for: Small rooms or personal use.
Features: Compact, portable, and lightweight.
Capacity: Holds a small amount of water (2-10 liters).
Ideal for: Desks, bedrooms, or small offices.
2. Room Air Coolers:
Best for: Room air coolers are recommended for medium to large sized rooms.
Features: Larger water tanks (10-50 liters) and more powerful fans are now available for sale.
Ideal for: Living rooms, kitchens or offices.
3. Desert Air Coolers:
Best for: Extremely hot and dry climates.
Features: High cooling capacity, large water tanks (50-100 liters), and heavy-duty motors.
Ideal for: Large spaces like halls, warehouses or outdoor areas.
4. Tower Air Coolers:
Best for: These coolers are an excellent solution for modern homes with limited space.
Features: Sleek, vertical design, and quiet operation.
Ideal for: Living rooms or bedrooms.
5. Window Air Coolers:
Best for: Fixed installation.
Features: Mountable on windows or walls to save floor space.
Ideal for: Homes or offices with limited floor area.
6. Portable Air Coolers:
Best for: These coolers are the ideal way to cool rooms quickly or for outdoor use, enabling easy transport between rooms or outdoor activities.
Features: Equipped with wheels to provide easy mobility.
Ideal for: Versatile cooling needs.
Benefits of Using an Air Cooler

Air coolers can offer many advantages over traditional air conditioners, including these key advantages:
1. Energy Efficiency:
Air coolers use much less electricity compared to air conditioners, as they only utilize a fan and water pump as parts of their cooling solution.
As such, eco-friendly cooling solutions like air coolers make for more eco-friendly cooling solutions than air conditioning does.
2. Cost-Effective:
Air coolers are cost-effective purchases and maintenance solutions, since they don't require expensive refrigerants or complex installations.
3. Environmentally Friendly:
Since air coolers use water and natural evaporation to cool air, they do not release harmful chemicals or gases into the environment.
4. Improves Air Quality:
Air coolers add moisture to the atmosphere, which can be beneficial in dry climates.
Furthermore, these devices circulate fresh air compared to air conditioners that recirculate recycled air.
5. Easy to Install and Maintain:
Air coolers are portable devices that do not require professional installation for use, making maintenance simple.
Cleaning and servicing them is also straightforward.
6. Works Well in Dry Climates:
Air coolers can be particularly effective in areas with hot and dry air with low levels of humidity.
Limitations of Air Coolers
Air coolers offer many advantages, they also come with some disadvantages:
Less Effective in Humid Climates: Since air coolers rely on evaporation, they don’t work well in areas with high humidity.
Regular Water Refilling: The water tank needs to be refilled frequently, especially in larger models.
Space Requirements: Some air coolers, like desert coolers, can be bulky and require more space.
Noise Levels: While most air coolers are quiet, some models may produce noise due to the fan or water pump.
How to Choose the Right Air Cooler?

Choosing the right air cooler depends on your specific needs and environment. Here are some factors to consider:
1. Room Size:
Choose a cooler with a capacity that matches the size of your room. Personal coolers are ideal for small spaces, while desert coolers are better for large areas.
2. Climate:
If you live in a dry climate, an air cooler will work efficiently. In humid areas, consider other cooling options.
3. Water Tank Capacity:
Larger tanks mean less frequent refilling but also take up more space.
4. Portability:
If you need to move the cooler between rooms, opt for a portable model with wheels.
5. Budget:
Air coolers are generally affordable, but prices vary based on size, features, and brand. Set a budget and choose accordingly.
6. Additional Features:
Look for features like remote control, timer, ice chamber, or adjustable fan speeds for added convenience.
Maintenance Tips for Air Coolers
To ensure your air cooler works efficiently and lasts longer, follow these maintenance tips:
Clean the Cooling Pads Regularly: Dust and dirt can clog the pads, reducing cooling efficiency. Clean or replace them every few weeks.
Empty and Refill the Water Tank: Stagnant water can lead to bacterial growth. Empty the tank daily and refill it with fresh water.
Check the Water Pump: Ensure the pump is working properly to keep the cooling pads wet.
Clean the Fan and Exterior: Wipe the fan blades and exterior surfaces to prevent dust buildup.
Store Properly in Off-Season: If you’re not using the cooler during winter, clean it thoroughly, let it dry, and store it in a dry place.
Air Cooler vs. Air Conditioner: Which is Better?
Both air coolers and air conditioners have their pros and cons.
Here’s a quick comparison:
Feature | Air Cooler | Air Conditioner |
Cooling Mechanism | Evaporative cooling | Refrigerant-based cooling |
Energy Consumption | Low | High |
Cost | Affordable | Expensive |
Installation | Portable, no installation needed | Requires professional installation |
Climate Suitability | Best for dry climates | Works in all climates |
Air Quality | Adds moisture, circulates fresh air | Recirculates the same air |
Maintenance | Easy and low-cost | Requires regular servicing |
If you live in dry climate and need an eco-friendly cooling solution that's both affordable and practical, an air cooler could be just what's necessary.
If you need precise temperature control in a humid area, an air conditioner might be more appropriate than other solutions.
Conclusion
Air coolers provide an affordable, energy-efficient, and eco-friendly cooling option for those looking for an economical cooling solution.
They work best in hot and dry climates and are easy to use and maintain.
Understanding how air coolers work, their benefits, and potential drawbacks is the best way to make an informed decision regarding whether they're appropriate for your cooling needs.
Staying cools this summer has never been simpler or more cost-effective!
From personal coolers, desert coolers, tower coolers, and pool/beach coolers - finding one is more straightforward and more economical.
FAQs
1. Can I use an air cooler in a humid climate?
Air coolers tend to be less effective in humid climates because the air already
contains moisture, decreasing evaporation rates.
2. How much water does an air cooler consume?
Dependent upon its model and use, an air cooler typically uses five to twenty liters of water daily.
3. Can I add ice to the water tank in air cooler?
Yes, adding ice can significantly boost the cooling effect during extremely hot temperatures.
4. Are air coolers noisy?
Air coolers WORK quietly; however, some models may produce noise due to their fan or water pump.
5. How often should I clean my air cooler?
Clean the cooling pads every two to three weeks and the water tank daily for optimal performance.
Comments