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. Air conditioning is not only about making a certain room cold and less hot, but it is technically also all about manipulating the temperature of a room in a wider sense, also covering its ventilation and heat. In terms of construction, is is basically called 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 unit was basically for cooling the air as well as manipulating the humidity that the people back then experienced.
Since a lot of manufacturing facilities back then were suffering from too much heat and humidity, making their workers less productive, these air conditioning units were solutions as to solve the problem on these manufacturing sites. It was only in the late 1950s when private civilians started using air conditioning units in their homes and cars as well so as to become more convenient and comfortable.
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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. Some harmful substances found in the refrigerants of early air conditioning units were used to manipulate the temperature in the room to make it cooler, and these substances are namely, methyl chloride and ammonia. These harmful chemicals were eventually replaced by another better one which was then so called freon.
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Freon is considered completely safe for human beings. Moreover, freon is and can be harmful to the environment. Apparently, if freon is spread out to the environment, it releases as well this chlorofluorocarbon gas that can be very harmful and can cause the thinning of the ozone layer, making the earth’s surface hotter and hotter as it thins down. 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.
There are a number of refrigeration cycles that an air conditioning unit will have to go through to manipulate the temperature of the air. The first type of refrigeration process is through the use of a heat pump that is responsible for shooing out hot air that causes heat and humidity, letting the compressor in the air conditioning unit blow in cooler air to lessen the hotness in the room. The second type basically involves the mere pumping of a refrigerant.