Once you decide that you in the apartment (or office) need air conditioning, you must decide what, where and who it will be installed. (Not to be confused with Coen brothers!). Start from the … WHAT? Of course it is best to consult an expert, but Before we do well to clarify some points to at least understand what you said the same specialist. We'll talk about split systems as the most popular instruments today. So … the main parameter on which you have to navigate – this area (do not forget about the height of the ceilings, all calculations are done in the parameters of manufacturers based on the average height of 3m ceilings, if you have it is better to choose higher air conditioning with a stock power, if it is below … well vobschem you guessed it))) as well are encouraged not to take into account the amount of fuel electrical appliances in the room (fridge, stove, computer, TV, etc.) Maximum cooled area depends on the capacity of the air conditioner and therefore depend on this internal and external dimensions of the blocks. You should not choose a conditioner with plenty of power (it is always over-consumption of energy and excessive noise), just be wary of underestimating the power or you will just spend money for nothing.
Also, do not count on that if you put a powerful air conditioning in one room the other two will automatically be cool … it will not be cold, very reluctant to pass through the doors. Far better in this case put two air conditioners, but less powerful. In this case, you can maintain a comfortable temperature throughout the house. As for the manufacturer of air conditioners: historically the most reliable air conditioners are Japanese (and not be afraid of the inscription is made in China, if it is well-known brands on the devices) Of course, and their prices are usually higher, but there are exceptions, such as air conditioners Japanese firm SUPRA have very reasonable prices, despite the fact that perhaps the best use of today Compressors Daikin. Very well established Korean manufacturers themselves.
Companies such as LG and Samsung today are probably the market leader of air conditioners in Russia. When deciding where to install the indoor unit must! Note that the air flow from air conditioner was not directed toward the bed, sofa or chair, that is, in which there are constantly people. This is important because in this case it is very easy to get a something cold. And one is not enough an important point, be wary not qualified, that is, artisan installers. Try to buy air conditioner with installation, as vendors in order to avoid subsequent problems will never hire anybody to work. Best way to determine the qualifications of masters is to pay attention what tool they are working. The life of the air conditioner directly affects the quality of the installation. When connecting two blocks together with copper pipes necessary to achieve absolute integrity, otherwise the freon will gradually go away after 1-2 years and cease to cool air conditioning. This requires high-quality vacuum pump with the appropriate accessories and skill of the installer. I hope these tips will help you in choosing. Good luck!