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How to choose duct blower, air conditioner and central air conditioner? Is the duct fan really better

Air duct air conditioner Wind pipe machine Between wall mounted air conditioning and central air conditioning, another air conditioning option. It's better than hanging up, cheaper than central air conditioning, and less space than vertical machine.


How to choose duct blower, air conditioner and central air conditioner? Is the duct fan really better?


What kind of machine is the air duct fan


Strictly speaking, it is a branch of central air conditioning.


The external unit of the common central air conditioner is connected with several copper pipes of the internal unit, and the air duct is pre installed on the ceiling.


How to choose duct blower, air conditioner and central air conditioner? Is the duct fan really better?


The air duct fan mentioned here is a "simplified version" of the central air duct system.


One of the advantages of an external tube and an internal air outlet is that there is no need to pre install the air duct.


Simply speaking, it can be understood as a "wall mounted machine" that can conceal the air outlet.


Therefore, the price of an external unit is much lower than that of an ordinary air conditioner.


What is the difference between horizontal comparison


It's also a home air conditioning system.


The first impression of it is to take its essence and discard its dross. Air duct fan is a good choice to ensure the beauty and reduce the budget as much as possible.


01 covert comparison


Look here! How to choose duct blower, air conditioner and central air conditioner? Is the duct fan really better?


Regardless of the number of external units, duct fans and central air conditioning are the same.


Indoor machine is composed of air outlet and return air outlet, embedded in the ceiling design. Compared with the wall mounted machine and vertical cabinet machine, the concealment and overall beauty are higher.


Concealment degree: air duct unit = central air conditioner > common split machine


02 ceiling cost comparison


Ordinary wall mounted machine and vertical cabinet machine do not need ceiling.


The central air conditioner with 1 Trailer n is the other extreme, and the ceiling of the whole house should be made. The fan is embedded in the ceiling, and the installation space is not required.


Ceiling cost: central air conditioning > air duct fan > common split machine


03 machine independence


The number of internal machines controlled by external machines is the decisive factor.


The structure of air duct fan is the same as that of hanging unit, while the central air conditioner is 1-pull-n, and one external unit controls n internal units.


In general, the advantages outweigh the disadvantages.


The number of external units of air duct fan is large and takes up the space of external wall, but it will not lead the whole body.


The independence of central air conditioning is not enough, and the indoor opportunities are all "strike" after the outdoor unit fails.


Independent performance: air duct fan = common split machine > central air conditioning


04 comfort comparison


The air outlet direction of the common split machine is fixed and can not supply air 360 degrees. In winter, the comfort is worse, and fixed air supply is easy to cause discomfort of "warm head and cold feet".


It's the same as the central air conditioner.


Uniform circulation of hot and cold air flow is the primary principle to determine comfort.


Comfort level: air duct unit = central air conditioner > common split machine


Several recommended cases of fan duct


Every thing has its audience.


All kinds of objective factors are "stumbling blocks" on the road of decoration. In a sense, air duct fan is a kind of helpless compromise.


The wall position is abnormal, so it is impossible to install wall mounted crane;


● the residential space is small, and the wall mounted machine and vertical cabinet machine affect the overall aesthetics;


The overall budget is only enough to install the split machine and want the comfort of central air conditioning;


● it is embarrassing to reserve air conditioning holes in the house, so the installation of wall mounted machine can only blow towards the head of the bed;


The floor height can not meet the demand of ceiling, and the ceiling of the whole house will enhance the sense of space depression.


In accordance with any of the above conditions, consider installing a wind turbine and compromise to "reality" with dignity.


How to choose common air conditioner


It's not a new thing.


There is no saying that the more expensive the better, there is nothing wrong with the pursuit of cost performance. It is a simplified version of central air conditioning, according to the needs of the most suitable machine.


01 area determines the number of pieces


It's not like washing machines and refrigerators.


It doesn't matter if the power is strong and weak. If the power is too strong, the noise will be too strong, and if it is too weak, it will not work.


According to the size of the room, it is the most scientific and reasonable to select the specific power air conditioner.


For 8-14 m2, choose the machine with 1 horse; for 12-23 m2, select 1.5 HP machine; for 21-34 m2, select 2 HP machine; for 32-50 m2, select 3 HP machine.


Fixed frequency or frequency conversion


First ask what it is and then how to do it.


Constant frequency compressor speed, temperature fluctuations; frequency conversion speed will be adjusted at any time, the temperature is basically maintained in a constant state.


If the budget is adequate, it is absolutely right to choose frequency conversion.


Secondly, the noise factor should be considered. The noise of fixed frequency is far greater than that of frequency conversion. Like bedroom, study and other private space, choose frequency conversion to keep quiet environment, living room and other public space to choose fixed frequency will not have too big influence.


03 space ceiling position


Unlike wall mounted machines, duct fans have only one air outlet.


It is composed of air supply outlet and return air outlet. The air supply outlet is generally at the side and the return air outlet is at the bottom.


In any case, the bottom of the ceiling should be reserved for air return.


The air duct fan is installed on the ceiling above the wardrobe in the bedroom, and the gap between the wardrobe and the ceiling is left.


Otherwise, the return air outlet can not work normally, and the installation position will also affect the work efficiency.


Budget is always a little different from reality.


Under the fixed budget, it is a benign solution to maximize the cost performance ratio.

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Copyright: Shenzhen wanmachuang Electromechanical Engineering Technology Co., Ltd Record No.: Yue ICP Bei No. 12084827-3 Technical support: Shenzhen siyiou Service Center Mobile version