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An evaporative air cooler is a great replacement for normal air conditioners. The best part about evaporative coolers is that they use water as a cooling mode instead of chemical freezers. Additionally, evaporative air coolers are relatively low maintenance and less techy. These coolers use less electricity. It is also said they are less likely to leak harmful chemicals, which makes them more preferable.

Table of Contents

Research the various evaporative coolers if you have decided to purchase an evaporative cooler. It helps you to choose the cooler that suits your needs. Do not forget to check whether it is pocket-friendly or not!

Explore there kinds

Knowing the primary evaporative cooler brands will clarify what kind of cooler you need and save you lots of time wasted in the appliance store. Naturally, all the brands come with their advantages and disadvantages, so knowing beforehand which company adheres to all your needs you are looking for in a cooler gives you a heads-up.

Later in the content, we shared information about the primary types of evaporative coolers. You need to explore industrial evaporative cooler to have more advantages.

The main types of Evaporative Coolers are as follows:

  1. Direct,
  2. Indirect,
  3. 2-stage,
  4. Portable,
  5. Ducted,
  6. mounted,
  7. 2-in-1,
  8. Tanked or piped evaporative coolers.

Since the lowest energy water molecules vaporize first, these cold molecules lower the temperature of the air. All cool air evaporative coolers have the same mechanism: letting the water evaporate and pass cool air. They all operate based on the same concept.

We have discussed the various air cooler evaporative air cooler here, and you should keep reading to learn in detail about them.

Types Of Evaporative Coolers

  • Direct: They use a fan to pull hot air through a wet layer. The chilled air is then vented into the house. You can find evaporative coolers in different sizes depending on the room or house size. This process adds humidity to the air. It is inadvisable for areas with moisture problems. Opening vents in your house or using whole-house ventilation fans can help to reduce this problem. These evaporative coolers perform optimally with consistent airflow. It is, therefore, advisable to open windows and ventilators or position the cooler directly where there is wind.
 
  • Indirect: Indirect evaporative coolers work on principles similar to direct evaporative coolers. However, indirect coolers do not noticeably change the humidity levels of the air. They can achieve this by following this process:
  1. Separating the air
  2. Cooling it through the evaporative process
  3. Cooling the inside air, which is condensed and pushed inside

This is often done by running air over a series of wet pipes. Then, the cooled air cools the air present in the pipes. Since it has a minimal impact on inside humidity, this type of cooling is better for areas with high moisture. Generally, indirect evaporative coolers are used in large areas like warehouses and large retail establishments.

2-Stage: 2-stage evaporative coolers mix direct and indirect evaporative cooler mechanisms to make the air cooler than other coolers. It is made to produce products with better energy efficiency. This technology should become more widespread. This process is calculated to increase indoor humidity from 50% to 65%.

The process of this technology is explained below:

  1. Air passes through an indirect cooling system, which cools the air without adding moisture.
  2. The last part is when the colder air goes through a direct evaporative membrane to cool it even more.
 
  • Portable: There is a reason why these kinds of coolers are called Portable as they are small and easy to move around. One can easily carry them from one room to another and put them away when not using them. Many portable evaporative coolers come with wheels at the bottom, making moving easier. Most of the time, portable evaporative coolers use a direct mechanism.
 
  • Mounted: Mounted evaporative coolers can be installed on a window, wall, ground, or roof. Mounted evaporative coolers are typically permanent or semi-permanent movables. They are very heavy to move often, except once a year, and are situated in one place the whole year. Large evaporative coolers work the best when mounted, even though many indirect and 2-stage evaporative coolers must be mounted to work efficiently.
 
  • Ducted: Big evaporative coolers can work with or without ducts. The function of ducts is to distribute cool air from the cooler in your home more effortlessly. Ducts for evaporative coolers need to be bigger than the normal AC systems. So, it is important to consult an HVAC expert before pairing an evaporative cooler with your duct. 
 
  • 2 in 1: These 2 in 1 evaporative coolers merge direct evaporative coolers and a simple fan. This system is most suitable as sometimes one only needs the fan. Most importantly, with the feature, the fan helps spread the cool air around the room.
 
  • Tanked or Piped: It is well known that evaporative coolers need water. The origin of water does not matter as long as it is clean. You can get it from taps, tanks, or pipes. If you are taking the water from the tap, refill it regularly, as we refill the tanks. On the other hand, piped coolers are difficult to set up and may leak, but you do not have to refill them regularly.

How Evaporative Cooling Works

The major concept behind evaporative cooling is that when water turns into gas, it sucks up energy from its environment. This method works for all kinds of liquids, but water is especially useful because it takes a lot of energy to change from liquid to gas. This happens because strong hydrogen bonds hold water molecules together, so water takes so much energy to convert to gas. The cooling effect depends on how humid the air is, as the cooling effect is more efficient in dry temperatures than humid air.

Evaporative Cooler Advantages and Disadvantages

Evaporative coolers also come with their pros and cons, like any other products in the market. Don’t use them in hot and humid weather conditions; you can successfully try them in hot and dry conditions.

Advantages

  1. Pocket-friendly: Evaporative coolers, or coolers in general, are comparatively less expensive than normal air conditioners.
  2. No chance of electric hazard: As coolers do not have a compressor assisting to switch on, there is no chance of a power spike.
  3. Water is the only thing required to provide the cooling effect. No other chillers are needed.
  4. Coolers raise moisture, which decreases friction in dry weather and may comfort people and pets.
  5. The water-soaked pad filters remove particles like dust, allergens, and foreign substances from the coolers.

Disadvantages

  1. Temperature settings: Unlike air conditioners, evaporative coolers do not let you control the temperature.
  2. It increases humidity: Coolers are not recommendable for humid environments, as the humid condition stops the water in the cooler from evaporating, which may damage interior property on doors, furniture, and other surfaces, preventing it from doing its designated work.
  3. Coolers need a regular water supply, pad replacement, and plumbing maintenance for all the mineral remains.
  4. Dry pads in commercial units can cause a fire risk.
  5. If the coolers are not cleaned properly and are left with water, they can become breeding grounds for mosquitoes.
  6. A swamp cooler will be a bad addition to an energy-efficient house as it reduces productivity and decreases because of the need for chimneys or vents. Evaporative cooling works when good air circulation moves humid air out of the area.

Evaporative Air Cooler cools in an effective way

Several features shape the evaporative air cooler to be superior to other air coolers. Plan your budget, place of installation, expected results, and more. It will help you to get the best out of it. There is always more to explore, so do share with us what more you know.

Frequently Asked Questions

1. Is an evaporative air cooler recommendable?

An evaporative air cooler comes with a list of advantages. It costs less and is energy efficient. It is cheap and demands less maintenance. You do not need any refrigerant gas in the cooling process. People also consider them air filters.

2. Is it true that an evaporative air cooler is comparatively better than an air conditioner?

If you also prefer fresh and clean air, then just the cool air, an evaporative air cooler will always be your first choice. It uses the outside hot air, brings them in and cleans them, and finally releases the cool air.

3. Which type of air cooler should I buy?

If your room is not too big, buy an air cooler. For larger rooms, buy a tower and desert air cooler. Confirming the area is the most important thing to know when choosing the right type

4. Is it safe to use evaporative cooling?

You need to use the evaporative cooling in a good way, especially during the heatwave. Practice regular maintenance, followed by cleaning, so that you do not face any problem

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