When people talk about air conditioning, the first thing that would basically come into their minds is the fact that air conditioning makes rooms cooler and less hot. Technically, air conditioning is not just all about cooling itself, it also involves other processes that can manipulate a certain room’s temperature, which would then include ventilation and heating of the room. If we talk construction, we would call it as HVAC.
The first air conditioning unit was used as early as the 1900s, specifically in a certain stock exchange building, to control the place’s temperature. After that, the very first electrically-run air conditioning unit was then made, installed, and used at a certain printing plant in the late 1900s. The air conditioning unit was technically used for not only cooling the air but controlling the humidity as well.
Manufacturing facilities back then had a difficulty with regards to becoming conducive for working and having productive workers due to the intense heat and humidity in their manufacturing sites, which was why these air conditioning units were primarily used by them to increase their productivity as a whole. Basically a few decades later was when homes and other private facilities started using these air conditioning units for their convenience as well.
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A refrigerant, which is found inside an air conditioning unit, is basically responsible for the manipulation of the room temperature, making the air we breathe in cooler and fresher. The refrigerants for air conditioning units used back then had some harmful substances put in them that can make the air cooler and fresher. These harmful chemicals were then eventually replaced by a new one called a freon, that still has the ability to make a room cooler.
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Human being can basically trust the fact that freon does not have the ability to harm them in any way possible. But sadly, freon can cause so much harm and danger for the environment. If one releases freon into the environment, there is this certain chlorofluorocarbon gas that is emitted to the ozone layer, making it thinner, thus causing more heat from the sun to the surface of the earth. A lot of air conditioning units still use the same type of gas even up until today, to help manipulate the temperature of the air, causing it to become cooler and more refreshing. It has been said and believed that environmentalists and nature lovers alike will have to wait until a certain period until manufacturers will be able to replace these harmful and dangerous gases and finally use something that can cool down the temperature, decrease humidity, make our lives convenient, as well as take good care of the other natural forms found on earth.
Air conditioning units basically have a variety of refrigeration cycles that they all go through to make the temperature better and have lesser humidity. A heat pump is used for the first type of refrigeration process that can basically drive out hot and humid air from the room and make it to a point to create a cooler air that comes out from the compressor in the air conditioning unit. The second type basically involves the mere pumping of a refrigerant.