All About Air Coolers: Working, Benefits and Types

All About Air Coolers: Working, Benefits and Types

  • 26 March

Air coolers, also called evaporative coolers, are a highly effective and sustainable cooling solution that has gained popularity in recent years due to their low energy consumption and environmentally friendly features. Unlike traditional air conditioners, which rely on refrigerants that can be harmful to the environment, air coolers use only water and air to cool and humidify the surrounding space.

Air coolers are essential in areas where high temperatures and low humidity can cause discomfort and health problems. They work by drawing in hot and dry air, passing it through a wetted pad or membrane, and cooling it by the process of evaporation. This not only cools the air but also adds moisture to it, which can alleviate symptoms of dry skin, allergies, and respiratory problems.


How do Air Coolers Function?


Typically, an air cooler works in the following ways.


  • A fan draws hot, dry air from the outside into the cooler unit.
  • The air passes through a wetted pad or membrane, which is kept moist by a water pump or gravity-fed system.
  • As the hot air passes through the pad, water from the pad evaporates into the air.
  • Evaporation requires energy, which is taken from the heat in the air, leading to a drop in temperature.
  • The cooler, humidified air is blown out of the unit and into the surrounding space.


What are the Benefits of Using an Air Cooler?


Air coolers offer a range of benefits owing to their ease of usage. Here are a few listed below.


  • Energy Efficiency: Air coolers are much more energy-efficient than traditional air conditioners, as they use only water and air to cool the surrounding space. This means that air coolers use up to 75% less energy than air conditioners, resulting in lower electricity bills and a reduced carbon footprint. The power consumption of air coolers is 150-300 watts.


  • Affordable: They are generally less expensive to purchase and operate than air conditioners. This is because they do not require refrigerants, compressors, or other expensive components. As a result, air coolers are a more affordable cooling solution for homes, offices, and other indoor spaces. Crompton offers a wide range of Air coolers under Rs 5000 and Rs 10,000.


  • Environment-friendly: Air coolers are an eco-friendly alternative to air conditioning units, as they do not release harmful refrigerants into the environment. Instead, they use only water and air to cool and humidify the surrounding space, making them a sustainable and responsible cooling solution.


  • Humidity Control: They are also effective in adding moisture to the air, making them an ideal solution for dry climates. By maintaining humidity levels, air coolers can alleviate symptoms of dry skin, allergies, and respiratory problems, as well as help to reduce static electricity.


  • Easy to Maintain: They are easy to maintain, with many models featuring removable pads and filters that can be easily cleaned and replaced. It is easy and essential to clean the honeycomb pads in air coolers. Additionally, air coolers do not require complex installation, making them an accessible and hassle-free cooling solution for most indoor spaces.


How many Types of Air Coolers are there?


Looking for an air cooler to suit your needs but not sure which one is the best fit for you? By weighing your options after understanding the different types of air coolers available today, you can proceed to get the perfect air-cooling appliance for your space.

1. Personal Coolers

If you’re seeking a cool and comfortable environment in your home or office, consider Crompton’s personal air cooler! This evaporative cooler is perfect for rooms ranging from 80 to 160 square feet, providing an air delivery rate of 650 cubic meters per hour for small spaces and 1250 to 1350 cubic meters per hour for slightly larger spaces.

2. Tower Coolers

Cooking in the kitchen can be a hot and uncomfortable experience, but with Crompton’s tower cooler, you can enjoy a refreshing environment without worrying about fire hazards. Unlike fans or air conditioners, this tower cooler is a safe and effective way to cool your kitchen while you cook.

3. Window Coolers

If you’re looking for a space-saving solution for your small bedroom, consider a window air cooler from Crompton. These units are installed outside your home, freeing up valuable indoor space, and delivering an impressive air delivery rate of 1700m3 per hour.

4. Desert Coolers

Crompton’s desert coolers are the perfect choice for larger rooms and work best with windows open. For rooms up to 500 sq ft, the air delivery rate is 4200 m3 per hour, and for rooms up to 650 sq ft, the air delivery rate is 5500 m3 per hour, providing an optimum cooling experience for your space. Desert coolers are more effective in Summer, click to read why!

Our air coolers are designed to provide top-notch cooling performance, thanks to their high-density honeycomb or wood wool cooling pads. Along with a wide-angle airflow, our Crompton air coolers also come equipped with protective mosquito nets to ensure your comfort and safety. Whether you have a small or large room, we have a variety of air coolers to meet your needs. And to choose the right air cooler, head straight to our air cooler buying guide.



1. Are air coolers good for health?

Yes, air coolers are considered to be good for health. They can help to improve indoor air quality by adding moisture to the air. This can be particularly beneficial in dry climates, where low humidity can cause issues such as dry skin, dry eyes, and respiratory problems. Air coolers can also help to reduce the risk of heat stroke and other heat-related illnesses during hot weather, as they help to keep the indoor temperature down.

2. Does an air cooler work in humid conditions?

Air coolers work best in dry and arid climates where the humidity level is low. In humid conditions, the effectiveness of air coolers may be reduced because the added moisture in the air may already be high. However, Crompton’s range of air coolers has a humidity control feature which helps in maintaining a sufficient level of humidity in the room.