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Last updated March. 16, 2018
To address the problem of the high-temperature condition, different air cooling machines have been invented. There are three major types of home appliances used in cooling the air: the electric fans, air conditioners, and air coolers.
Fans have rotating blades that help to circulate the air faster in order to achieve cooling; air conditioners cool air by passing it through coils filled with compressed gas that takes heat away from the air, as well as reduce humidity; air coolers use the process of evaporation to cool the air and add layers of moisture to it.
All the three appliances briefly described above have several models and brands, but their fundamental mode of operation remains the same.
Though these appliances are very beneficial in the sense that they can help to lower the temperature of any given space, they also have some effects on health that are considered unfriendly.
We are going to consider the air cooling solutions individually in terms of their health effects.
Be it ceiling fan, table fan, or standing fan, the mode of operation is basically the same. They have blades that move steadily to circulate air in the space that needs to be cooled and the faster the air is being circulated the better the process of cooling.
Fans are simply designed and have quite a few parts with no real dangers to the health. There are hardly any chances of microorganisms growing on any part of fans.
The only problem with fans is that though they hardly compromise the quality of air, they also do not improve it at all. What you obtain with fan is faster circulation of air, and if the air quality is bad, it simply circulates it the way it is.
As they rotate, they have the capacity to lift substances into the air. If they are used in a space that has some dust or other forms of pollutants settled, they will eventually lift them and circulate in the space. The blades can also gather dust in a dusty climate.
This can increase the chances of allergy. There are also concerns about electric fans that heat up and circulate more hot air.
There are concerns that such fans may increase chances of dehydration and related health problems. Since they are generally not so efficient in cooling, fans are not so desirable in some climates.
Air conditioners are probably the most efficient air cooling machines when it comes to lowering the temperature of a given place.
Though they can significantly lower temperature and make your home or office space really cold even on a hot summer day, they are also associated with a plethora of health challenges.
As has been mentioned earlier, air conditioners achieve cooling by passing air through coils filled with compressed gas that takes heat away from the air.
Since the coils are cooler than the environment, they are also able to take moisture away from the air, resulting in lower humidity.
Unless an AC unit has an inbuilt humidifier, the air it produces will be dry. Such dry air exposes individuals to dryness of skin and eyes, lungs and throat irritation, and bodily distress.
An air conditioner is designed with filters that are meant cleanse the air as it passes through for fresher breath, ironically if the inside of the unit or the filters are dirty due to low maintenance, different kinds of mold and microorganism will be introduced to the cool air and that will have a number of health consequences including worsening of asthmatic symptoms.
The air conditioner has also been long associated with sick building syndrome, which is really a serious health challenge.
Although the people who have this condition are mostly those who spend most of their times indoors, it has been found that those they work in the air-conditioned environment have a higher prevalence of the condition.
This is worse where the air conditioners are not properly maintained. The symptoms of this sick building syndrome are vomiting, dizziness, dry lungs and throat, itchy eyes, etc.
Low maintenance of air conditioner can also affect its efficiency and leads to low oxygen and fresh air in the room.
You can easily notice an unpleasant smell in the room if the air conditioner is not vented. This foul smell is an indication of foreign materials in the air and always have health consequences.
Air coolers are reputed as the best option for air cooling. It has several advantages over electric fans and air conditioners. This also boils down to its mode of operation.
The units are basically enclosed boxes with a water tank, pump system, cooling pads, and blower fan. They take in hot air, pass it through the damp cooling pads and give out cold air that is attached to a layer of moisture.
Air coolers are efficient units that work extremely well in hot dry climate but not in humid places. In a humid environment, it is advisable to use dehumidifiers with air coolers so as to reduce humidity even as the unit cools the air. This way, the risk of health challenges is significantly reduced.
In many places, it is impossible to get by in the summer month without air cooling machines.
Though they are generally efficient in cooling and preventing heat-related illnesses, they also have their own specific negative effects on the health of an individual.
Among the three popular machines, air cooler seems to be the one with the lowest risk, but it is still essential that you maintain your machines properly to ensure that the risk of illnesses is significantly minimized.
If you have any further questions, contact us and we would be happy to help you.