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Evaporative Cooling System – The Eco-friendly way to cooling

Author: Ramesh Venugopal
by Ramesh Venugopal
Posted: Jul 20, 2020

Modern-day homes, offices, industrial and commercial spaces cannot begin to function without air-conditioning. Air conditioning has become a critical part of the building design that has larger implications – both on the bottom line of a business as well as its lasting impact on the environment. Conventional industrial air conditioners have been running on refrigerants, rendering them very low on the overall energy efficiency scale, as well as on maintaining an optimum, comfortable indoor environment for the people working. Filling in these gaps, the evaporative cooling system has come up as a revolutionary concept to not just provide comfortable cooling inside but also do so without the use of harmful refrigerants, thereby contributing towards reducing a business’s overall carbon footprint.

Conventional air conditioners use refrigerants to cool the ambient air. Their built-in mechanics require huge power to run their compressors, making energy costs run high, along with rising carbon footprint because of the harmful release of the refrigerants in the atmosphere. Along with this, these conventional air conditioners recycle the air from the air-conditioned space, roughly about 90-95% air is recycled, with about 5 to 10% fresh air pumped into the room. As we can infer, with only about 5 to 10% fresh air being circulated, the occupants in these workplaces do not get enough fresh air, leading to even a drop in productivity along with certain breathing and health-related issues.

Evaporative Cooling System

Evaporative cooling applies a very simple principle of evaporation and using that to cool the air in a room. That is where it is different from refrigerant-based air conditioners because it only uses water and the basic technique of evaporation to absorb the heat in the surroundings, to bring down the temperature of a room. The heat in the hot air is used to evaporate water which then cools down the outside air.

Advantages of an evaporative cooling system

  • Eco-friendly – As compared to the harmful refrigerants that are high ODP (Ozone Depleting Potential) and GWP (Global Warming Potential),
Evaporative cooling uses none of that, making it extremely energy efficient and helps in lowering the carbon footprint of a workplace

  • Saves energy – Evaporative cooling provides comfortable cooling and consumes much less energy in return because it needs power only to run its fan and water pump
  • 100% of the air injected in the room is fresh when we install an evaporative cooling system and since it doesn’t recirculate the air, the indoor air quality is always fresh
  • These systems circulate fresh air which also improves employee productivity
  • Evaporative cooling systems may also reduce the effects of illnesses like asthma because of fresh air being circulated, minus pollutants
  • Easy to install, operate, maintain and service
  • The only fluid needed to run it is water

Applications of an evaporative cooling system

  • Greatly suited for places with very hot and low on humidity climates
  • For maintaining a comfortable indoor environment in places like – offices, malls, halls, multiplexes, hotels, hospitals, etc.
  • For cooling in industrial establishments like warehouses, commercial kitchens, factories, construction sites, etc.
About the Author

I like to read and write on various topics like industrial equipment, how it work, its benefits. Currently I am working as freelancer.

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Author: Ramesh Venugopal

Ramesh Venugopal

Member since: Dec 01, 2019
Published articles: 12

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