Evaporative Coolers: The Top Things That You May Not Know

Evaporative Coolers

The evaporative air cooler popularly called a swamp cooler, is the most preferred cooling system. This is thanks to their reduced energy intake, higher cooling efficiency, environmentally friendly character, and reasonable price.

Evaporative air cooler is elder than the air conditioner

Evaporative cooling is possibly the earliest form of climate management. Before refrigeration was invented, evaporative cooling was already being used.

How Does Evaporative Air Cooler Work

Evaporative air cooler functions through the principle of evaporation. For example, an evaporative cooler uses a pump to convey water from water storage to the cooling pads which absorb water. After the fan is operating, it draws dry and hot air in the exterior even through the water-soaked pads. As air moves through the pads, heat is absorbed via the process of evaporation thus cooling the air. It’s crucial to ensure that the pads are well saturated and the heating system is customized to supply the right airflow to your house.

A core function of evaporative cooler

Water evaporation cooling theory

When the hot air flows through the honeycomb filter using over 100 times of swap area, the heat is absorbed by water and chilled down.

– Benefit of physical cooling

In comparison with traditional AC, the air cooler can be placed in an open space with fresh air, meantime it can cool down the atmosphere by natural water evaporation, which can be low cost, low energy consumption, and high efficiency.

– Small size, portable, strong wind shipping.

Correlates with traditional AC, the air cooler is smaller, easier to maneuver around.

Factors influencing the rate of evaporation

Evaporative air cooler cools the atmosphere by incorporating the easy natural process of evaporation with a modern and innovative air moving system. Within this process, fresh air coming outside of the evaporative cooler is drawn into the cooler through moistened pads. The air is then filtered through soaked evaporation and the outcome is a humid atmosphere that is then circulated by a blower. Nowadays, most unit’s come in a kind of a very simple box-life. The cooler’s pads are soaked by draining water from the floor towards the top region of the device and letting it flow down throughout the pads. Air is then pulled through the pads using a strong blower leading to evaporation and the resulting cooler air is blown out at a high speed.

Humidity matters when it comes to the efficacy of evaporative coolers. This is because swamp coolers cool the atmosphere by filtering it through water and lowering its temperature.

Application area of evaporative coolers

In summer hot and humid area, an evaporative fan rental air solution is mainly applicable to a factory of fabric, clothing, printing and dyeing, tanning, footwear, plastic, machinery, electronics, toys, food, chemical industry, metallurgy sector, personnel intensive or high-temperature heat source location, trading marketplace hall, station waiting room, hospital health care hall, and other industrial institutions are also utilized.

In summer warm and dry areas, in addition to applying to most plant ventilation cooling, may also be utilized in shopping malls, supermarkets, farmers markets, restaurants, cafes, bars, entertainment, sports fitness room, conference room, hallway, school, playground, family home.

Kinds of evaporative air coolers

-Portable Air cooler

Portable swamp coolers are all designed for the home because of their portable nature. Most of them include wheels thus you can easily roll them into your departing room or bedroom.

-Window Air cooler

This kind of window evaporative cooler is installed either into your window or on your roof. They are a Fantastic option of the heating issues are localized to only one particular area or room

-Industrial Air Cooler

Industrial evaporative air coolers are made to provide large-scale cooling systems and are ideal for large indoor spaces, factories, and warehouses. These coolers use circulation and evaporation to keep massive spaces cool.

Main elements of evaporative cooler components

-Resistance plastic

The material of the outer frame is plastics using anti-causticity and insulating material, which may prevent the ultraviolet rays, proved with excellent aging immunity and longtime life.

-Water supplier

Water supply can distribute water uniformly.

-Fan blade

Use nylon as a material that’s lasting and anti-corrosive. Integrated plastic fan blade   stable operation, it’s more stable during operation, low vibration, the sound dropped by 3dB(A).

Drain valve

Drain the dirty water out of the cooler automatically

-Water pump

With steady water pressure, the temperature increase is low and has no burn.

-Water level detector

Used to check the water level precisely.

-With variable rates rotational controller (Industrial air cooler use)

To control the entire units under the education.


Concerning motors, for a cooler to operate nicely it needs to get 100 percent aluminum wiring.

-Evaporative cooling pad

To get a cooler to operate well in a specific area, it takes a cooling system with the ideal dimensions and thickness. Actually, the thicker the mat is that the more water it can consume, and so the greater cooling experience. When it comes to cooling pads, there’s a wide variety that it is possible to pick from. Below are the different types of pads

  • Aspen Swamp Cooler Pads
  • Blue Synthetic Pads
  • Cellulose pas

How many air coolers are needed for your location?

Evaporative air coolers are ranked based on the total amount of airflow they can create. That is why they’re in reality grouped according to airflow per minute. The total quantity of air that a cooler unit may pump per unit time could be measured in either CFM (Cubic Feet Per Metre), CMM (Cubic Metres Per Minute), or CMH (Cubic Metres Per Hour). The key to choosing your ideal evaporative cooler is picking one using the ideal evaluation for your area.

Remarks: air exchange rate can be extended depending on outside temperature and humidity. Ordinarily, if humidity and temperatures are large, air ought to be increased, in dry areas air exchange rate can be diminished.

Why evaporative cooling might be a perfect solution for industrial places

  • Brief introduction of a testing project
  • Evaporative air cooler units provide operated solutions with low cost
  • Compare between primary investment and operation cost


Shane McCourt

Preferred Climate Solutions is owned and operated by HVAC veterans. We have over 17 years experience with portable heating and cooling systems, plus a lifetime of experience with Texas’ challenging climate. We provide an array of portable cooling and heating rental solutions 24/7. We have locations in Houston, Dallas/Ft Worth & Austin Texas.

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