Clipping of news on Brazilian Culture, Law and Citizenship
01/13/2014
This article was translated by an automatic translation system, and was therefore not reviewed by people.
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1 - Types of appliance
The first variable that should mark out choice is the type of appliance . For residential use , there are basically three : the window , split and portable .
The first two require a more complex installation , how to open a hole in the wall . For several reasons , this is not always possible - for example, many buildings do not allow changing facade. Thus , for situations like this , the best is a portable model that dispenses " miniobras " installation . The biggest drawback of laptops is that , in general , are more noisy .
Another point to be considered is that laptops are not as portable as well as they have a reasonable size and weight. Therefore , to assess whether he will not turn a hulk , especially if there is shortage of space. Moreover , it is necessary that they are near a window , where it will be docked a hose responsible for expelling hot air .
2 - Split
The split is a bit more expensive , but have more advanced technology . The great thing is that they are divided into two parts (hence its name - split , in English, means " separation " ) . Ie , the " cold part " ( the evaporator , which is inside the room ) is independent of the " hot section " ( the condenser , which is outside ) . This ensures better performance , less noise and , in general , greater energy efficiency. Please note: the vast majority of split is 220 V.
There are even models that have split inverter technology . The compressor it works gradually, with speed related to the ambient temperature . Compressors models without this technology , by contrast, have no such gradation : either get on or off, with no middle ground . Thus , reversing devices , though more expensive , have even better energy efficiency .
3 - From the window
The models are the most traditional window . They are a monoblock , a box where all elements of the cooling system are . Therefore tend to be more noisy and gastões . The price difference between them and the split has been exorbitant. Today this range is now more reasonable , but the window still rely on simpler and cheaper installation.
If the appliance is being used heavily , it might be better to stick with a split . The higher initial investment will be quickly offset by bills less expensive . If the use is more sporadic , one window can perfectly meet the demand.
4 - Power
The main feature of an air conditioner is its thermal power. The ability of a given machine has to heat or cool a given space.
BTU is the unit of measure used to report the capacity of the apparatus . Technically, it is the amount of heat required to reduce the temperature of one pound of water ( 0.4536 liters ) into a Fahrenheit ( 0.53 degrees Celsius ) grade. Ie, it determines the cooling power of each device. The larger the area to be cooled , the more BTUs the unit should have.
5 - Efficient Use
- Close doors and windows in the room when the air conditioner is switched on;
- Set the temperature control to 25 ° C in the case of air conditioning equipment with digital control ;
- Buy models of window air conditioners that have a Label Energy Efficiency INMETRO rated A or B (saving up to 34 % in energy consumption ) ;
- Install the air conditioner in place of good air circulation , avoiding the placement of objects that obstruct the air inlet or outlet of the equipment ;
- Turn off the air conditioner whenever you absent from the environment for long periods ( over two hours ) . When possible, close the curtains or blinds on the environment , thus avoiding the excessive heat input , this procedure increases the efficiency of your air conditioner .
Source : The Globe - Online
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This article was translated by an automatic translation system, and was therefore not reviewed by people.