what is aircondition system?
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An Air conditioning system normally just cools the air in the room (or vehicle) in which it is fitted.\n\nIt works like a refrigerator but expels the warm air to atmosphere rather than the room.\n\nThe disadvantage of the normal system is that it dries the air.\n\nSome systems can apply heat too so that a controlled temperature can be selected from a much wider range, and more sophisticated systems can maintain a desired humidity.
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the principle is by compressing a coolant, and injecting this coolant into a small pipe, the size will minimize heat built up, as the coolant moves around the pipe or coil, air is blow into this coil which result into cooler air.\n\nThe coolant is then compress back to repeat the process.
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air conditioned space\n\nis that what your looking for?
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ok remember that freon or r134 are used in AC but is not like it is a substance that stays cold... you to compress it in order to make it liquid and then it absorves heat and evaporates completing the cycle... if you are looking for a sort of system that will make something stay cool.. .hmmm man it is called Air Conditioned
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Example for produce:\nForced-air cooling is a useful tool for preserving the quality of fresh produce. It is most effective when the produce demands quick cooling or when the amount of produce to be cooled per day or week is large enough to justify the increased equipment and electrical demand costs.\n\nForced-air cooling is accomplished by exposing packages of produce in a cooling room to higher air pressure on one side than on the other. This pressure difference forces the cool air through the packages and past the produce, where it picks up heat, greatly increasing the rate of heat transfer. Depending on the temperature, airflow rate, and type of produce being cooled, forced-air cooling can be from 4 to 10 times faster than room cooling.
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you left out a lot of info lmao.\nwhat is the humidity of the air and what presure are you talking about.\nHeat and cold are regulated by the moisture content of the air.
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air conditioned house.
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I presume you're asking about an air conditioner.\n\nAir conditioners are rated in terms of the equivalent cooling capacity of tons of ice.   So, a one ton air conditioner can cool as much as a ton (2000 lbs) of ice melting in a 24 hour period.   A home air conditioning unit is typically in the range of 1-3 tons of capacity.  One ton is also equivalent to about 12000 BTUs (British Thermal Units) per hour of cooling.
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A desert cooler takes advantage of very low relative humidity to acheive its cooling properties.   Rather than relying upon a refrigerant system (i.e. Freon) with a compressor to circulate the refrigerant, a desert cooler uses evaporation of water to remove heat.  With a low relative humidity, water can evaporate quite rapidly, taking a lot of heat energy along with it.  \n\nThere are a variety of different techniques to exchange and remove heat from the air.  One that is used in less arid climates is called a swamp cooler, in which water is pumped from a pond, through a heat exchanger and then back through a fountain in the pond.  The fountain aids in the evaporative process, helping to keep water cooler.  \n\nWhile a desert cooling system may not be able to develop as cold of temperatures as a refrigerant-based system, it still can effectively reduce the air temperature, and do so using less electricity since a compressor is not required to run.
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Mist cooling is simply introducing an atomized spray of water into an airstream to cool the air.   As the water droplets vaporize and dissolve in the air, they remove heat energy from the air, leaving the air slightly cooler.\n\nThese systems are most effective in dry heat climates, where the relative humidity is low.  The water can evaporate much more quickly, removing more heat.\n\nThe lowest temperature that can be conceivably reached (provided that the system were 100% efficient) is the dewpoint temperature, also known as the wet-bulb temperature.  If the air were cooled to this temperature, its relative humidity would be 100% and it would be at maximum moisture saturation.  So, in most cases, these coolers can only reduce temperatures to 60 or 70 degrees under normal conditions, unless you're in a desert or other arid region.\n\nMost mist coolers are smaller, portable systems that use a common fan with several nozzles in front of it that produce a very fine mist spray of water.\n\nSmaller systems are also available for cooling milling work in tooling manufacturing.  These systems typically have an additive in the water supply to reduce the oxidation effects of the water.
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No, an air conditioner will cool the room.  An air conditioner de-humidifies by passing moist warm air through a cold surface.  Water condenses and drips out.  The warm air is also cooled and sent back into the room.  The only way the air can be de-humidified is by being cooled.\n\nIf you're lucky to live in an area where you need to de-humidify in the winter, why not just buy a dehumidifier.  It will actually heat a room.
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Something that you keep on top of the air conditioning unit.
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1.  Do the easy things first.  Make sure that air gets to the air cooling system; clear leaves, dead raccoons, etc.\n\n2.  Since this is a chilled water system, make sure the water (or other fluid) is chemically correct.\n\n3.  Make sure the compressors are compressing properly, the pumps are pumping, and the fans are blowing.\n\n4.  If you get to #4, you're in major retrofit/replace territory.  You might get away with retrofitting with water cooling.  Otherwise, you'll have to gut the thing and start over with a bigger system.
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The problems with the air conditioning causing you ill health can be several, examples of these are as follows:\n1) Filters have not been replaced\n2) No maintenance has been carried out on AC Plant\n3) No health and safety inspection been carried out by Safety Rep\n4) No air sample taken for analysis\n5) No Risk Assessment has been made by management\n6) Vents not been cleaned\n7) Sick building syndrome\n\nRecommendation's\n\n1) See your safety rep and ask that a air quality analysis be carried out by qualified person's. Your School has a duty of care under the Health and Safety Act 1974.\n2) If your School refuses to do this, then your safety rep should contact the Health and Safety Executive\n3) Vist the HSE website for further unformation
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An earlier form of air conditioning was invented in Persia (Iran) thousands of years ago in the form of wind shafts on the roof, which caught the wind and passed it through water and blew the cooled air into the building [1].\n\nThe 19th century British scientist and inventor, Michael Faraday discovered that compressing and liquefying a certain gas could chill air when the liquified ammonia was allowed to evaporate. His idea remained largely theoretical.\n\nIn 1842, Florida physician Dr. John Gorrie used compressor technology to create ice, which he would use to cool air blown over malaria and yellow fever patients. [2] He eventually had a vision of using his ice-making machine to regulate environment in buildings. He even envisioned centralized air conditioning that could cool entire cities. [3] Gorrie was granted a patent in 1851 (Patent #8080, USPTO) for his ice-making machine. The technology was attacked by Northern businessmen with the help of religious leaders they got to call the technology blasphemous, in order to protect its business of exporting natural ice to Southern states. When both his partner and he died in 1855, the idea of air conditioning died with him for the time being.\n\nOne of the first uses of air conditioning for personal comfort was in 1902 when the New York Stock Exchange's new building was equipped with a central cooling as well as heating system. Alfred Wolff, an engineer from Hoboken, New Jersey who is considered the forerunner in the quest to cool a working environment, helped design the new system, transferring this budding technology from textile mills to commercial buildings.\n\nLater in 1902, the first modern, electrical air conditioning was invented by Willis Haviland Carrier (1876–1950). His invention differed from Wolff's in that it controlled not only temperature, but also humidity for improved manufacturing process control for a printing plant in Brooklyn, New York. This specifically helped to provide low heat and humidity for consistent paper dimensions and ink alignment. Later, Carrier's technology was applied to increase productivity in the workplace, and the Carrier Engineering Company, now called Carrier (a division of United Technologies Corporation), was formed in 1915 to meet the new demand. Later still, air conditioning use was expanded to improve comfort in homes and automobiles. Residential sales didn't take off until the 1950's. The Royal Victoria Hospital, Belfast, Northern Ireland, is a Landmark Building in building engineering services (built in 1906) and lays claim to being the first “Air conditioned Building in the World”.\n\nIn 1906, Stuart Cramer first used the term "air conditioning" as he explored ways to add moisture to the air in his southern textile mill. He combined moisture with ventilation to actually "condition" and change the air in the factories, controlling the humidity so necessary in textile plants.\n\nThe first air conditioners and refrigerators employed toxic gases like ammonia and methyl chloride, which resulted in fatal accidents when they leaked. Thomas Midgley, Jr. created the first chlorofluorocarbon gas, dubbed Freon in 1928. The refrigerant proved much safer for humans but is harmful to the atmosphere's ozone layer. "Freon" is a trade name of Dupont for any CFC, HCFC, or HFC refrigerant, the name of each including a number indicating molecular composition (R-11, R-12, R-22, R-134). The blend most used in direct-expansion comfort cooling is an HCFC known as R-22, and is slated to be phased out for use in new equipment by 2010 and completely discontinued by 2020. R-11 and R-12 are no longer manufactured in the US, the only source for purchase being the cleaned and purified gas recovered from other air conditioner systems. Several ozone-friendly refrigerants have been developed as alternatives, including R-410A, known by the brand name "Puron".
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air conditioners dry the air also. the water in  the air condensates in the cold fins of the air conditioner taking it out of the air. your throat must not like dry air.
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Modern Refrigeration. \n\nSource(s):\n\nhttp://www.constructionbook.com/xq/asp/q...