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Types of Air Cooling Systems

Last updated August. 10, 2018

Due to changing weather conditions, you will always have to alter the temperature of your home for comfort.

During the cold time of the year (winter), you will need to heat the home, and during the hot time (summer), you will have to cool the air.

These two processes are essential to combat the extreme weather conditions and stay healthy through the periods.

Heating and cooling are quite different, however. While energy is being used to create heat in the former, the latter involves using energy to reduce the temperature air.

It is a little more complicated and has different processes. There are machines that are used to achieve this and they all function by creating cold air and moving them into the space that has hot air.

The process is majorly driven by electricity.


Types of cooling systems

Though cooling is the central function and major objective here, there are different types of cooling systems that can be installed in any home.

We will look at each of the major systems in detail below.

1. Central Air Conditioners and Heat Pumps

These are central systems that are designed to cool an entire house.

The set-up of the system includes a big compressor unit installed outside the building to drive the process; a refrigerant-filled coil installed inside to cool the air; and a duct system running through the entire house to distribute the cold air throughout the entire building.

The heat pumps are just like the central air cooling system except for the fact that the process can be reversed and used to heat up the building during the winter period.

Central air conditioning systems were the first forms of air conditioning systems developed by man.

They were generally used in auditoriums and theatres to control temperature and ensure that the audience is comfortable. The systems are generally large and cumbersome.

Though they have been modernized to an extent, their uses are not so popular in modern homes. Their uses are more rampant in organizations and large commercial places.

The fact that there are lots of other options that are less bulky and ultimately more efficient means that central air cooling systems are not so popular in homes even though there are homes that have them.

2. Room Air Conditioners

Room air conditioners are designed to be used for cooling single rooms in a house. Due to their size, capacity, and mode of operation, their effects will only be felt locally in the room they are installed.

For the full house, a number of air conditioner units will have to be purchased and installed differently in the different rooms where they are needed.

Room air conditioners are often mounted on windows or walls. In any case, the unit works the same way. The compressor must be located just outside the building to drive the process.

The units are often very efficient and will deliver really chilled air to the rooms they are installed. The influence of any of the units is restricted to space it is installed, however.

Room air coolers cost far less than central air cooling systems, but different units must be installed in all the rooms and each must be maintained individually.

Many households use room air conditioners to obtain their cooling needs. The only major disadvantage of room air coolers is the fact that they consume lots of energy.

Though energy consumption may not be as much as central air cooling systems, they are still significantly high. They are also said to be environmentally unfriendly and can have adverse effects on health.


3. Evaporative Air Coolers

Evaporative coolers, also referred to as air coolers or swamp coolers, are air cooling machines that are very ideal for dry climates and provides cooling by the process known as evaporative cooling.

The units are reasonable alternatives to air conditioners in terms of cooling and will also improve the humidity of the space they are meant to cool.

The machines have very simple designs with the major components being a water tank for storing the water needed for evaporative cooling; a pump system that takes water from the tank to the cooling pads; the cooling pads that serves as the evaporative surface to drive the process; and a fan that sends the cool air out of the unit into the space that needs cooling.

Evaporative coolers come in different forms and sizes. There are window coolers as well as portable ones that can be used anywhere in the house.

The units work quite well in different conditions and can be used in indoor and outdoor settings.

Asides from the fact that they use the natural process for cooling the air and can be used indoors and outdoors, air coolers have also been hailed for several other benefits like energy-efficiency, cost-effectiveness, and environmental friendliness.

4. Ductless Mini-Split Air Conditioners

This is another air conditioning option that is ideal for houses that lack ductwork.

They are quite similar to central air conditioning systems except for the fact that each unit or room in the building has its own air handler.

The system employs outside compressor/condenser. The indoor handling unit is connected to the outside unit through a conduit that has the power and refrigerant lines.

They are more energy-efficient than central air conditioning units, however, thanks to the fact that loss of energy is avoided as a result of not using ductworks.

One of the biggest advantages of ductless mini-split systems is the flexibility it offers. Like room air conditioners and air coolers, the system can meet the comfort needs of different rooms in the house easily.

The major disadvantage is that they are relatively more costly than the other systems discussed above.

An efficient cooling system is a necessity during the summer months. Asides from the cost of installing the systems discussed above, there are some other factors that may influence your choice of a system.

Air coolers which are generally regarded as the best options, for instance, may not perform too well in an environment with high relative humidity.

You will have to consider all important factors, and maybe, talk to an expert before choosing a particular system for your home.

If you have any further questions, contact us and we would be happy to help you.