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Air Coolers VS Air Conditioners

Last updated May. 17, 2016


Both, air coolers and air conditioners achieve the task of cooling the surroundings but the principle behind how they accomplish it is very different. The technique of Evaporative air cooling isn't new and has been used for centuries in one way or the other. The difference in the cooling mechanism helps in deciding which air cooler is suitable for your need.

Read this article if you are confused between the two and can't decide what is suitable for you

The way evaporative coolers work is very different to air conditioning. Evaporative air coolers turn hot air into cool air through the process of evaporation of water by using electrical power. It uses the evaporating technique in order to produce the cool air. Evaporative cooling implies that the temperature of dry air can be dropped by putting it through a transition of liquid water to water vapour. A pump circulates water from the reservoir to the cooling pads. Water is continually pumped onto the top of the pad to keep them wet through the entire process and a fan draws warm air from outside and passes it through the wet pad which cools it through the process of evaporation.

A pump circulates water from the reservoir onto a cooling pad, which in turn becomes very wet. A fan draws air from outside the unit through the moistened pad. As it passes through the pad the air is cooled by evaporation.

Evaporative air coolers add moisture to the air so that makes air coolers extremely effective in places with dry heat and low humidity. That means if the humidity is lower, there will a higher drop in temperature, so air coolers do not bring down the temperature drastically in areas with higher humidity.

Evaporative coolers are:

  • Cost efficient: Air coolers can not only be bought at a much lower cost but can also save up to 80% of energy costs when compared to air conditioners since it uses significantly less power than an air conditioner.
  • Environmentally friendly: Evaporative coolers cool the air by using natural process of evaporation of water and not use chemical-based refrigerants.
  • Usability: They can also be used both indoors and outdoors and can also provide portability and convenience.
  • Easy to maintain: Air coolers don't require high maintenance and can be cleaned and stored without minimum or no technical assistance.
  • Humidify: Air coolers can humidify the air in really dry areas since evaporative cooling adds moisture to the air.

Evaporative cooling is a healthy and a cost-effective means of cooling air and can save up to 80% of energy costs when compared to air conditioners. Evaporative cooling also requires open windows and doors to exhaust as much air as it intakes so one can leave the doors and windows open and even use it outdoors.

Air Conditioners can be used in all seasons as they alter the temperature and humidity to a more favourable condition. Air conditioners not only cool the air but also heat it. Unlike air coolers, with air conditioners air is cooled as it passes over a set of coils filled with a refrigerant.

Air cooler provide effective cooling and heating since they make use of chemical coolants. These use refrigeration system that needs large amounts of electricity to operate. Air conditioning is neither environmentally friendly nor good for health as it emits harmful chemicals such as such as ammonia, sulphur dioxide, and CFCs which can be harmful to the environment. It is also a closed process where the same stale air is recirculated in a closed room which can cause a lot of health related problems.

It is essential to consider all these differences before choosing the right air cooling solution for you. If you still have doubts or questions, we are here to help you. Contact Us and we will be pleased to assist you.