Central air-conditioning duct machine, wall-mounted machine, cabinet machine which is better? Why do we choose fiber cloth duct?

1. Types of air conditioners There are four main types of air conditioners, namely central air conditioners, duct machines, cabinet machines, and wall-mounted machines; central air conditioners: consist of one or more cold and heat source systems and multiple air conditioning systems. That is to say, we often hear that one for several, one for one host, and one for several internal machines; Duct machine: it is actually a kind of central air conditioner, just one for one, one for one. A main unit drags an internal unit; cabinet unit: it is composed of an outdoor unit and an indoor unit, and is mostly used in a relatively large space, such as a living room. The indoor unit looks like a cabinet, so it is called a cabinet; Wall-mounted machine: Like the cabinet machine, it is also a type of air conditioner we often see, but its indoor unit is hung on the wall, so it is called a wall-mounted machine; the advantages and disadvantages of the four types of air-conditioning central air-conditioning: the advantage is to install The overall effect is beautiful, the wind blown out is natural and comfortable, the whole space will not appear cold and hot, energy saving; the disadvantage is that its internal machines are connected together, that is, the place where the pipe is used requires a ceiling , So you need a relatively high floor height to install the pipes, and the other is the high cost of the initial investment; the air duct machine: the advantage is that the installed effect is also beautiful, atmospheric, bright and uniform, and the price is cheaper than the central air conditioner, and the floor is higher. The waste is not that big, because the ceiling can be suspended at the place where the outdoor unit is connected; the disadvantage is that more places are needed to install the outdoor unit of the air conditioner, which affects the appearance of the building, and the sound will be louder than that of the central air conditioner; the difference between the two is The number of outside machines. Multi-line is one external machine with N internal machines, commonly known as one for several, from one to three to one to six are common. The air duct machine is an external machine with an internal machine, commonly known as one for one. It can be seen clearly from the figure that for the same four-bedroom apartment, only one external unit is required for multiple connections, and six external units are required for the installation of air duct machines. Cabinet machine: Compared with the above two, the advantage is that it is cheap, the disadvantage is that it takes up space, there will be cold and hot, the air is not very good after the air conditioner is turned on; the wall-mounted machine: the advantage is that the price is still cheap, the disadvantage The number of horses is generally not more than 2, suitable for small rooms, the wind speed is uneven, and the air-conditioning is not very comfortable; which one of the three or four types of air-conditioning is good can be combined with the number of equipment balconies and the decoration budget. ①If the home is large in size , The number of rooms is relatively large, the population is also large, it is recommended to choose central air conditioning, because it not only saves the location of the outdoor unit, makes the appearance of the building look better, but also the indoor environment is comfortable and beautiful; ②If the house is generally large, The number of rooms is generally large, the population is relatively large, the decoration budget is insufficient, and the interior decoration looks beautiful and atmospheric, it is recommended to choose a duct machine; ③If it is a small apartment with a small population, it is recommended to choose a cabinet or a wall-mounted machine; (1) Convenience of construction The installation of fiber cloth air duct is simple and does not require special processing equipment, and the construction speed of fiber cloth air duct is fast, and the requirements for construction personnel are relatively low. Therefore, choosing fiber cloth air duct can save installation time to the greatest extent. (2) Energy-saving effect. The thermal conductivity of the fiber bag air duct is much lower than that of the galvanized iron sheet air duct. The fiber bag air duct does not require any insulation materials. The ventilation opening position is very flexible and accurately calculated, which can make the fan use. The rate is over 90%, and the energy saving effect is the best. (3) Fireproof performance 　　 fiber cloth bag air pipe material has been authoritatively tested as a B1 permanent fireproof and flame-retardant material, and the fire safety performance is greatly improved. (4) The effect on the layer height The fiber bag air duct itself has the heat preservation effect, and can be installed close to the roof, without the need to reserve installation space. The actual measurement shows that the use of fiber cloth bag air duct can save about 5~10cm higher than the galvanized iron sheet air duct. (5) Service life Galvanized iron sheet is easy to rust in a humid environment, while glass fiber, another insulation material commonly used in galvanized iron sheet ducts, tends to become brittle after moisture absorption, so the service life of galvanized iron sheet ducts is only about 5 to 10 years. . The service life of the fiber cloth duct is as long as 20 years. From this point of view, the fiber cloth air duct is far stronger than the galvanized iron sheet air duct. (6) Noise reduction performance The fiber cloth duct itself is soft in texture and has good noise reduction performance, so it is a very good tube muffler and does not require noise reduction treatment, which can reduce a lot of trouble. (7) Hygienic and healthy galvanized iron ducts are easy to rust, and are prone to cold bridges and condensation. Therefore, the galvanized iron ducts are very easy to breed bacteria, such as Legionella bacteria, which will cause secondary pollution to the air supply. . In addition, glass fiber, a commonly used insulation material for galvanized iron sheet air ducts, is also harmful to human health. The fiber cloth duct is not easy to produce condensed water when air is supplied, and the generation and spread of bacteria are well avoided. Therefore, from the perspective of hygiene and health, fiber cloth ducts are far better than galvanized iron ducts.　　From the above analysis, it can be known that fiber cloth air ducts are far stronger than galvanized iron sheet air ducts in other aspects. Therefore, fiber cloth air ducts should be promoted vigorously in the use of central air-conditioning air ducts.

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