Air conditioning is an American invention

The story of the invention of the air conditioning system. Who came with the air conditioner? History of air conditioning

This is not just in terms of design - different types internal blocks allow you to create the most optimal distribution of cooled air in premises of a particular form and destination.

And in 1968 the air conditioner appeared on the market, in which several internal internal internal worked internally with one external block. So the multisplit system appeared. Today they can accommodate two to six internal blocks of different types. An important innovation was the appearance of an inverter air conditioner. In 1981 Toshiba proposed the first split system that could gently regulate its power, and as early as 1998 the inverters occupied 95% of the Japanese market. Well, finally, the last of the most popular types of air conditioning in the world - VRV systems were introduced by Daikin in 1982.

Milestones in history.
1734 year. In the building of the English Parliament, the first of famous stories axial fans. It worked with the help of a steam engine and has worked without repair for more than 80 years.
1754 year. Leonard Euler developed the theory of the fan, which was based on the calculation of modern systems mechanical ventilation.
1763 years. Mikhail Lomonosov publishes his work "On free air movement in the noted mines." The ideas defined in this work were based on the calculation of natural ventilation systems.
1810 years. In the London suburbs hospital - Derby installed the first calculated system of natural ventilation.
1815 years. French Jean Shabanens received a British patent for the "method of air conditioning and temperature control in housing and other buildings ..." ...
1852 year. Lord Kelvin developed the basics of using a cooling machine for boiler rooms (thermal pump). Four ideas were put into practice by the Austrian Rittenger.
1902 year. An American engineer Willis Karrier developed the first industrial installation for air conditioning.
1929 year. In the USA, General Electric developed the first room air conditioner.
1931 year. The invention is safe for the health of the refrigerant - freon. Produced a real revolution in the development of air conditioning technology.
1958. Daikin proposed the air conditioning not only to work cold, but also to heat on the principle of the "heat pump".
1961 year. Toshiba The first in the world began with the industrial release of air conditioning, which was divided into two blocks, which was given the name of the split system.
1966. Hitachi is the first in the world to offer Windows air conditioning with a trigger function. Four years later, she was the first to introduce this feature in split systems.
1968. Daikin offered the air conditioner with one external and two internal blocks. So the multisplit system appeared.
1977 year. Toshiba for the first time in the world produces the air conditioner with the microprocessor control.
1981. Toshiba developed a compressor with adjustable rotation frequency. In the same year the air conditioners appeared on the market, called inverters.
1982. Daikin has developed and implemented a new type of central air conditioning system VRF, so that air conditioning and ventilation issues can be solved in the complex.
1998. Sanyo proposed a VRF system with the non-reserved electricity ordinance.
1995. A decision was made to reject the use of refrigerants that pose a threat to the ozone layer. In Europe, their production should be completely halted by 2014.
2002. For the first time in the world, Haier proposed a home air conditioner that can increase the oxygen concentration in the room.
And we have a story
In the Soviet Union, air conditioning was seen as a non-obstruction that distracted the proletariat from the class struggle. So in 1940 "heating and ventilation" was defeated in 1940 to publish a range of materials on air conditioning. These articles were perceived as "propaganda of bourgeois views in technology" and up until 1955 (when it was found that the Soviet ships are absolutely not adapted for swimming in the tropics) this subject remained under the illegal ban. A little later, in 1963-65 in the Moscow region of Domodedovo, the release of air conditioners for communication and missile weapon checkpoints was established, the plant cross in Nikolaev began to produce ship air conditioners, and finally several companies began to exhibit climatic equipment for aviation. The production of air conditioning systems for industrial companies was mastered in Kharkov and on a smaller scale and on a number of sectoral companies. Release of domestic air conditioners on site Soviet Union It only started in the 1970s after the Baku factory was built, producing products under the license of the Japanese company Hitachi. In their own prime, the mid-80s, which fell in the mid-80s, the Baku plant issued 400,000-500,000 air conditioners a year, of which about 120,000-150,000 were for export. Most of the Soviet Olnikov was sold to Cuba - about 700,000 pieces. Large importers were China, Iran, Egypt and Australia. In addition, more than 10,000 devices have been sent to the green continent in other years. Now it is fashionable to scold the BC for large dimensions and high levels of noise, but it is impossible not to admit that they were extremely unpretentious and long-lasting. In the same Australia, some devices are still working over and over! In addition, the Soviet prices pleased with the local farmers pleasantly, who in the homeland of kangaroo in the homeland of kangaroo these products still remember the good word. No air conditioning system from Japanese, American, Israeli or Korean production was distinguished by this durability. Perhaps the fact is that all over the world the concept of the durability of the manufactured equipment changed significantly because of the 70-80s. So far, if you've tried to do in the century, now the lifespan does not exceed the time of moral aging. At the current rate of development, this is no more than 10 years. By the way, the quality of BC released in the 70-80s speaks at least one such fact. Plant for the production of compressors (1,000,000 designed per year) Half of the products sent for export carry out the order of Toshiba. After the collapse of the USSR and the departure of the best specialists, the production of air conditioners in Baku began to decline, and by 1997-98 it finally collapsed. Of the company's former 6,000 workers, no more than 500 were left engaged in equipment repair and maintenance. BC era ended. Another Soviet project is almost forgotten at the moment, there were "Neva" -clating air conditioners, from which a small party was made in Leningrad. Oroanov Fedders became the first air conditioners in Russia, collected in the city of Zheleznogorsk (Kürk region) in the early 90s. However, due to poor quality production did not last long ago, and by 1996 it was completely reel. The relay was picked up in Elektrostal near Moscow. In 1997, the element plant in the plant was mastered, the production of split systems of Samsung mounting kits was mastered, and then the production of products under his own brand was established. And finally, in the last two years, the production of Split-Systems has started in Fryazino (Rolsen), Khabarovsk (Effgo), Moscow (MV), Izhevsk (Dome), Rostov-on-Don (Artel).

The history of air conditioning systems actually goes back several millennia. At first these were the usual phenomena and fans, then many later fans on steam engines were invented, a somewhat later system of natural ventilation was invented, and finally there was an electric air conditioner, the story of which we will now also appear.

Opening of the refrigerant.

In general, the principle of operating the air conditioner was first opened by the great and unique Michael Faraday. In his research, the scientist often used ammonia, which was used in cooling long after, long after. The famous English physicist and the experimenter found that when ammonia changes from a liquid to a gaseous state (evaporation process during heating), it actively absorbs heat. With the opposite transformation (from gas to liquid) - on the contrary, to which it assigns.

Free Faraday phenomenon 1851. Used the American practitioner and part-time inventor - John Grory. While studying medical practice in hot Florida, he was so concerned about the comfort of his patients that he decided to build a car for ice making. The inventor even received a patent for his know-how, but rather to use it for commercial purposes, thereby creating the world's first air conditioning system. He failed.

First cooling air machines

Just two decades later 1902. other American inventor Wilis Crerier created the first in the world to cool the air, which can be fundamental to take into account the world's first industrial air conditioning system. The car was originally designed not to cool the air at all, but to reduce its humidity in the premises of the printing house in the city of Brooklyn. As it turned out, not only did it create comfortable conditions for printed publications, but it also became a real salvation for working typography.

The air conditioner had such a breathtaking success that after a year after a year it started installing it in theaters and supermarkets. 1928. The car for cooling the air was installed in the building of the American Congress, and a year later - in the building of the Senate.

First household air conditioner

The first domestic air conditioning system, the so-called "split system", which was partly inside and partly outside, was built by General Electric 1929.. This design, which is very popular and now, wasn't really a tribute to fashion.The fact is that in the first domestic air conditioner, as the refrigerant, used all the ammonia, the unique properties of which were inaugurated by Faraday. However, since this substance is very dangerous to human health in a gaseous state, General Electric Engineers decided to put the vaporizer and condenser on the road. So two blocks turned out - the prototype of the modern split system.

The first household monoblock, or the window air conditioner, appeared only after a few years. 1931.. It used a safer freon as a refrigerant so it wasn't a feeling to split the unit into two blocks. It is the window air conditioner that has gained staggering popularity among consumers. It was easy to install and maintain, reliable in operation, and unpretentious to environmental conditions.

First warming of the air conditioner in the late 1950s Published Japanese company Daikin. The device had a heat pump and could not only cool, but also heat the air. The massive release, forgotten for a while, just started 1961.When the Japanese company Toshiba created the first modern air conditioner with two separate blocks. Thanks to this development, noise was eliminated from users who released window air conditioners.

The first multi-library air conditioning system (multi-split system) with one external and several internal blocks appeared 1968.. The first domestic air conditioners on the vast expanses of the former Union began to produce 1975. In the city of Baku. They went under the license of the Japanese company Hitachi. These were logging monoblock units that were only distinguished by size and power.

history

The modern concept of "air conditioning" (air conditioning, from English. air. - Air I. condition. - Status) As a designation of the device to maintain the specified temperature in the room, it is quite a long time. Interestingly, the word air conditioning was first pronounced aloud in 1815. Then the Frenchman Jeanne Shabanens received a British patent for the "air conditioning and temperature control method in housings and other buildings". Actually for the English verb in the state is pretty standard and means "Bring something to a certain state"In this case, the air is in a state that is comfortable for a person in terms of temperature, humidity and other parameters; in this way, hair conditioner. According to the rules of word formation in English, it is simply something or the one who works something in a certain state, and not a neologism. From here - the air conditioner for hair and bed linen, which are no longer devices, but by means of household chemicals.

However, the practical implementation of the idea had to wait long enough. Only in 1902. American engineer - Willis Carrier - Willis Carrier collected an industrial refrigerator for the Brooklyn Printing House in New York. The most curious thing is that the first air conditioner is not meant to be pleasantly cool on the staff, but to combat moisture, the quality of the press.

The "fossil" ancestor of all modern split systems and Oringov can be considered the first room air conditioner to be released by General Electric in 1929. Since ammonia, the pair of which is unsafe for human health, the compressor and air conditioning condenser have been used as the refrigerant in this unit. That said, this device was essentially the most actual split system. Since 1931, the freon safe was synthesized for the human body, the designers were considered as a utility to collect all the air conditioners in one case. So the first window air conditioners appeared, from which the distant descendants, whose far successful are active.

For a long time the leadership in the field of the latest developments in ventilation and air conditioning belonged to American companies, but in the late 1950s the Japanese initiative firmly crossed the beginning of the 1960s. In the future, they decided the face of the modern air conditioning industry.

The following occurs during the operation of the air conditioner (considering the example of Freon R22). The inlet of the compressor from the evaporator comes a gaseous refrigerant with low pressure of 3-5 atmospheres and a temperature of 10-20 ° C. The air conditioning compressor compresses the refrigerant at a pressure of 15-25 atmospheres, which heats the refrigerant to 70-90 ° C after which it enters the condenser.

Due to the intense blowout of the condenser, the refrigerant cools by releasing additional heat from the gas phase in the liquid. Accordingly, the air passing through the condenser is heated.

At the outlet of the condenser, the refrigerant is in a liquid state under high pressure and at a temperature of 10 to 20 ° C above the temperature of atmospheric (external) air. The warm refrigerant enters the warm refrigerant in the thermostat, which in the simplest case is a capillary (long thin copper tube, speed in the spiral). At the outlet of the thermostatic valve, the pressure and temperature of the refrigerant are significantly reduced, and some of the refrigerant can evaporate.

After the throttling device (capillary tube or TRV), a mixture of liquid and gaseous refrigerant enters the evaporator at low pressure. In the evaporator, the liquid refrigerant conducts with heat absorption into the gaseous phase, whereby the air that cools through the evaporator cools. Next, the low pressure gaseous refrigerant enters the compressor inlet and the entire cycle is repeated. This process is based on the operation of an air conditioner and does not depend on the type, model or manufacturer.

The operation of the air conditioning system (refrigerator) without removing heat from the condenser (or the hot digestion of the Peltier element) is fundamentally impossible. This is a fundamental limitation resulting from the second thermodynamics. In ordinary household systems, this heat is a throwing and allocated environment, in addition, its number significantly exceeds the value absorbed during the cooling of the room (cameras). In more complex devices, it is kindly disposed of for household purposes: hot water supply and others.

error

One of the most serious faults is related to air conditioning and occurs when the freon does not have time to switch to a gaseous state in the evaporator. In this case, liquid falls on the compressor inlet, causing the compressor to fail due to hydrowarderning. The reasons why freon does not have time to vape may be some, but the most common one caused by improper operation of a poorly designed air conditioner. First of all, the cause of the malfunction can be contaminated filters (in this case, the evaporator and heat exchange), secondly, the involvement of the air conditioning system in the event of negative outside temperatures. At negative temperatures (below -10 ° C) there is a real threat to the liquid freon entering the compressor cavity causing its breakdown. In more expensive, properly designed systems, there are additional sensors, containers that exclude liquid freon to enter the compressor input. In such systems, one of the sensors becomes the most likely breakdown, but it leaves a cooling system. In the household window, the BK-1500, BK-2500, manufactured by the USSR (Baku plant), a cropper was used to get rid of this phenomenon (it is used in many models of the middle and upper circular clamps of air conditioners).

Refrigerant leakage can also involve incorrect / inefficient operation of the air conditioning system. Most often, the cause of the leakage is the installation of a freon highway made with the deterioration, for example, a poor quality rolling scroll. Over time, the most notable external manifestation of leakage, with the exception of the reduction in power, is the measurement of the valve (low pressure side) on the external block of the divided system, or (less often) - the frost of the evaporator, caused by a decrease of the refrigerant pressure, which is normal for air conditioning systems using refrigerant R22, is 4.3 (on the low pressure side) bar outside temperature. Air 25 degrees Celsius. However, the frost can be observed for other reasons, such as when moisture is hit in the contour or with the garbage.

The presence of air and moisture in the circuit over time can cause the compressor to fail, blocking the capillary with ice jams. The cause of the air in the contour is also an equivalent installation of the split system. When installed correctly after the circuit has been assembled, it is evacuated for a certain time (depends on the volume of the circuit, and for household systems is usually 20 minutes to an hour) with a special vacuum pump to remove air and evaporate the in moisture present in the circuit.

see also

Climatic and cooling equipment
Physical principles of workParocompression cooling circuit · Einstein refrigerator · Element Peltier · Thermoacoustic refrigerator · Whirlpool effect Ranca Hilsha · Steam cooling machines · Evaporation coolers · Frigatory systems · Christing · Eutectic
TermsRefrigerant installation · Air conditioning · HVAC · Heat mode building · Relative humidity · BTA · Temperature Phoaming · Temperaturgloor · Dew point · Humidity · Ahu
Views of the cooling units

It is possible to battle our distant ancestors to cope with the grueling heat, and you guessed it thousands of years ago. Probably the first refrigerator can be considered as a Neanderthal man who discovered that there is a pleasant coolness in a cave even on the hottest days in a cave.

When you move your head, the tourists walk through narrow corridors cut into the rocks of the Valley of the Kings in Egypt, and turn out to be a small piece of cardboard in the only rescue from the dungeon chamber, a small piece of cardboard serving in the process as minister of the underground museum at the entrance. Farmer of the Tombs, the source of light for which the oil lamp was served, suffered even more from suffocation.Therefore they portrayed the goddess of Maat above the entrance to the tombs, whose wings were supposed to bring the breath of fresh air into the Pharaoh. These pictures are jokingly referred to as drawings of the first air conditioners.

The inhabitants of ancient India put herb mats moistened with water on the window siblings. The spray, the water-cooled air enters the room. So long before home appliances emerged, a person has found a way to add comfort to their home.

It is curious that the underlying air conditioning system implements the principle of air cooling due to the evaporation of moisture also in the wild animals. Recently it was discovered that the "live air conditioner" is a camel. The mucus created in the nose saturates moisture dry desert air that enters the lungs. When an animal exhales, as opposed to a person, this moisture is filtered back into the nose and remains in the camel's body. The exhaled camel is sometimes 9 ° C cooler ambient air, while a man's exhalation is the same temperature as his body. To somehow escape from the heat, the rulers of antiquity surrounded their palaces with shady gardens and reservoirs, filled the chasers of the ice, and the servants armed with apparitions created a refreshing movement of air. And until the middle of the 18th century nothing better than the boy "ARAPE" did not appear.

However, the technical revolution started in the last days, the technical revolution turned the way people presented about the climate. The modern concept of "air conditioner" (from the English air conditioner - "air conditioner") as the designation of the device to maintain the specified room temperature has been around for a long time. Interestingly, the word air conditioning was first pronounced aloud in 1815. At that time the Frenchman Jeanne Shabanens received a British patent for the air conditioning and temperature control method in housings and other buildings. "But the practical implementation of the idea had to wait long enough. It wasn't until 1902 that the American engineer-inventor Willis Carrier collected an industrial refrigerator for the Brooklyn printing house in New York. The most curious thing is that the first air-conditioning system was not intended for employees pleasantly cool to create, but to combat moisture, great deterioration in print quality ...

Right, after a year of European aristocracy visiting Cologne considered its duty to visit the local theater. In addition, the vibrant public interest caused not only (and not so much) the game of the troop, but a pleasant cooler that reigned in the auditorium in the auditorium even in the hot months. And when the air conditioning was installed in one of Detroit department stores in 1924, the yawak was nothing short of breathtaking. It was time to introduce an entrance fee, but not the corporate owner of VCLADA. These first devices and steel are the ancestors of modern central air conditioning.

The "fossil" ancestor of all modern fission systems and Olananner can be considered the first room air conditioner, released in 1929 by General Electric. Since ammonia, the pair of which is unsafe for human health, the compressor and air conditioning condenser have been used as the refrigerant in this unit. That said, this device was essentially the split system in its own right! Since 1931, the freon safe was synthesized for the human body, the designers were considered as a utility to collect all the air conditioners in one case. So the first window air conditioners appeared, from which the distant descendants, whose far successful are active. In addition, in the USA, Latin America, the Middle East as well as Taiwan, Hong Kong as well as India and most of the African countries, Olnov are still the most popular air conditioners. The reasons for their success are obvious: they are roughly twice cheaper due to the power of split systems, and their installation does not require special skills or expensive tools. The latter is especially important from the focus of civilization, where it is easier to catch a snowman, rather than finding a citizen of a familiar installation of refrigeration equipment.

For a long time the leadership in the latest developments in ventilation and air conditioning belonged to American companies, but at the end of the 1950s, the beginning of the 1960s initiative was firmly carried over to the Japanese. In the future, they decided the face of the modern air conditioning industry.

So in 1958, the Japanese company Daikin offered the first heat pump, which taught air conditioners to work on heat.

In three years, one event has a great extent predetermined advancement of household and semi-industrial air conditioning systems. This is the beginning of the mass version of split systems. Since 1961, when the Japanese company Toshiba first brought air conditioning into mass production, divided into two blocks, the popularity of this type of climate protection has been growing steadily. Due to the fact that the most loudest part of the air conditioner - the compressor is now placed on the street, in the rooms equipped with split systems is much quieter than in the rooms where Oroanov work. The intensity of the sound is reduced by one order! The second huge plus is the ability to place the internal block of the split system in any convenient location.

Today there are several different types of internal devices: wall-mounted, follow-up, floor and suspended-ceiling - cassette and ducts embedded. This is not only important in design - the different types of internal blocks can create the most optimal cooling air distribution in the premises of a given form and destination.

And in 1968 the air conditioner appeared on the market, in which several internal internal internal worked internally with one external block. So the multisplit system appeared. Today they can accommodate two to six internal blocks of different types.

An important innovation was the appearance of an inverter air conditioner. In 1981 Toshiba proposed the first split system that could smoothly regulate its power, and in 1998 the inverters occupied 95% of the Japanese market.

And finally, the last of the most popular types of air conditioning in the world - VRV systems were introduced by Daikin in 1982.

Milestones in history.

1734 year. The first of the known stories of axial fans will be installed in the building of the English Parliament. It worked with the help of a steam engine and has worked without repair for more than 80 years.

1754 year. Leonard Euler developed the theory of the fan, which was based on the calculation of modern mechanical ventilation systems.

1763 years. Mikhail Lomonosov publishes his work "on free air movement in the noted mines." The ideas defined in this work were based on the calculation of natural ventilation systems.

1810 years. In the London suburbs hospital - Derby installed the first calculated system of natural ventilation.

1815 years. French Jean Chabannes received a British patent for the "method of air conditioning and temperature control in housing and other buildings ...".

1852 year. Lord Kelvin developed the basics of using a cooling machine for boiler rooms (thermal pump). Four ideas were put into practice by the Austrian Rittenger.

1902 year. An American engineer Willis Karrier developed the first industrial installation for air conditioning.

1929 years. In the USA, General Electric developed the first room air conditioner.

1931 year. The invention is safe for the health of the refrigerant - freon. Produced a real revolution in the development of air conditioning technology.

1958. The Daikin company offered an air conditioning system that can not only work on the cold, but also on the heat of the "heat pump" principle.

1961 Toshiba the first in the world started with the industrial release of air conditioning systems that were divided into two blocks called the split system.

1966. Hitachi is the first in the world to offer Windows air conditioning with a trigger function. Four years later, she was the first to introduce this feature in split systems.

1968. Daikin offered the air conditioner with one external and two internal blocks. So the multisplit system appeared.

1977: Toshiba produces microprocessor-controlled air conditioning for the first time in the world.

1981 Toshiba developed a compressor with adjustable rotation frequency. In the same year, the air conditioners appeared on the market, called inverters.

1982. Daikin has developed and implemented a new type of central air conditioning system VRF, so that air conditioning and ventilation issues can be solved in the complex.

1998. Sanyo proposed a VRF system with the non-reserved electricity ordinance.

1995. A decision was made to reject the use of refrigerants that pose a threat to the ozone layer. In Europe, their production should be completely halted by 2014.

2002. For the first time in the world, the home air conditioner proposed a home air conditioner that can increase the concentration of oxygen.

And we have a story

In the Soviet Union, air conditioning was seen as a non-obstruction that distracted the proletariat from the class struggle. Thus, in 1940, the Journal of Heating and Ventilation was defeated for publishing a range of materials on air conditioning. These articles were perceived as "propaganda of bourgeois views in technology" and up until 1955 (when it was found that the Soviet ships are absolutely not adapted for swimming in the tropics) this subject remained under the illegal ban.

A little later, in 1963-65 in the Moscow region of Domodedovo, the release of air conditioning systems for communications and missile weapon checkpoints was established, the plant across in Nikolaev began to produce ship air conditioners, and finally several companies began to exhibit air conditioning equipment for aviation.

The production of air conditioning systems for industrial companies was mastered in Kharkov and on a smaller scale and on a number of sectoral companies.

The release of household air conditioners on the territory of the Soviet Union began only in the 70s, after the Baku-built system was manufactured under license by the Japanese company Hitachi.In the prime, which came in the mid-1980s, the Baku plant issued 400,000-500,000 air conditioners per year, of which about 120,000-150,000 were for export. Most of the Soviet Oloanov was sold to Cuba - about 700,000 pieces. Large importers were China, Iran, Egypt and Australia. In other years, more than 10,000 devices went to the green continent.

Now it is fashionable to scold the BC, for large dimensions and a high level of noise, but it is impossible not to admit that they were extremely unpretentious and durable. In the same Australia, some devices are still working over and over! In addition, the Soviet prices pleased with the local farmers pleasantly, who in the homeland of kangaroo in the homeland of kangaroo these products still remember the good word.

No air conditioning system from Japanese, American, Israeli or Korean production was distinguished by this durability. Perhaps the fact is that all over the world the concept of the durability of the manufactured equipment changed significantly because of the 70-80s. If you have been trying to do in the century, now the lifespan does not exceed the time of moral aging. At the current rate of development, this is no more than 10 years.

By the way, the quality of BC released in the 70-80s speaks at least one such fact. Plant for the production of compressors (for 1,000,000 pieces per year) Half of the export of export sent by Toshiba.

After the collapse of the USSR and the departure of the best specialists, the production of air conditioners in Baku began to decline, and by 1997-98 it finally collapsed. Of the company's former 6,000 workers, no more than 500 were left engaged in equipment repair and maintenance. BC era ended.

Another Soviet project is almost forgotten at the moment, there were air conditioners "Neva", from which a small party was made in Leningrad.

Oroanov Fedders became the first air conditioners in Russia, collected in the city of Zheleznogorsk (Kürk region) in the early 90s. However, due to the low quality product, it did not take long to produce and by 1996 it was fully refrigerated. The relay was picked up in Elektrostal near Moscow. In 1997, the element plant in the plant was mastered, the production of split systems of Samsung mounting kits was mastered, and then the production of products under his own brand was established.

And finally, in the last two years, the production of Split-Systems has started in Fryazino (Rolsen), Khabarovsk (Effgo), Moscow (MV), Izhevsk (Dome), Rostov-on-Don (Artel).

More ancient people noticed that there is a coolness in the shade of cool and in the cave and in hot days. Here the principle of air conditioning appeared. People began to resort to such trains as how to fill ice rinks, the kings of servants were armed with opahala. And so it was not until the middle of the 19th century that the technical revolution began.

IN THE 1815. The Frenchman Jeanne Shabanens received a British patent for "air conditioning and temperature control of the temperature in housing and other buildings". But technically nothing, then he couldn't translate.

According to B. 1902. American engineer Willis Carrier came up with an industrial refrigerator for typography for Brooklyn, New York. It should deal with moisture that will degrade print quality.

Next, the air conditioning system began to gain in everyday life. Sob. 1924. The air conditioning was installed in one of Detroit department stores. The people of GUBA started walking there. All of these devices are the ancestors of modern air conditioning systems.

The first room air conditioner, the ancestor of modern split systems, was made by General Electric in 1929.. Ammonia pairs were used as a refrigerant, unsafe for health. Therefore, the compressor and the condenser were placed on the street.

OF 1931. Freon Safe for the human body was synthesized. Designers decided to collect all units and air conditioning units in one case. So the first window conditioners appeared.

In the market of air conditioning technology, the Americans led for a long time for a long time, but at the end of the 50s the Japanese started with the edges, the leadership of which continues to this day.

IN THE 1958. The Japanese company Daikin offered the first thermal pump. So air conditioners began to work on the heat.

of 1961.When the Japanese company Toshiba launched the air conditioner into production, divided into two blocks. The lousy part of the air conditioning (compressor) is put on the street. These are the first split systems. The noise from air conditioning is reduced by one order - noisy part is now on the street. And the internal block is possible at any convenient location.

IN THE 1966. Hitachi is the first in the world to offer Windows air conditioning with a trigger function.

IN THE 1968. A conditioner appeared on the market in which several internal blocks were operated with one external block. So the multisplit system appeared.

IN THE 1977. Toshiba for the first time in the world produces the air conditioner with the microprocessor control.

IN THE 1982. Daikin was proposed by VRF systems and used in 2002. For the first time in the world, Haier proposed a home air conditioner that can increase the oxygen concentration in the room.