Among household appliances, air conditioners have become one of the products that people use more. There are so many types of air conditioners in the market. Its brands are also numerous. When we buy, there will be misunderstandings. Then we are There are a lot of problems to be aware of when purchasing. If you want to know what to pay attention to when buying air conditioners , then let's take a look at the small series of the decoration home network. What should I pay attention to when buying an air conditioner? 1. According to the need to purchase a room, air conditioning is a large consumer of household appliances, if the power selected is too small, can not play a role; if the power is too large, and wasted. Therefore, when consumers choose the air conditioning power, they must purchase the house. First, don't be greedy. Some consumers like to buy large air conditioners. This is not advisable. Household air conditioners have their scope of use. Consumers should choose the type of air conditioner according to the size of their living room when purchasing. Generally, the cooling capacity and heating capacity required by the room can be calculated according to the following formula. The cooling capacity is the room area multiplied by 140 watts to 180 watts, and the heating capacity is the room area multiplied by 180 watts to 240 watts. In addition, it should be appropriately increased or decreased according to the orientation of the room, the low floor and the degree of sealing. 2. Choose a good brand after sale, now there are more air-conditioning brands on the market, there are domestic brands, there are foreign brands, which makes consumers have some hard choices. IT Encyclopedia recommends that consumers choose products with strong corporate strength, high brand and perfect after-sales service when purchasing air conditioners. Such enterprises not only have strong technical strength, but also pay special attention to quality, and the quality of such products is more secure. Air conditioning is a large household appliance and after-sales service is very important. If consumers are greedy and cheap, and buy products with weaker corporate strength and low brand value, they will endless troubles. 3. The energy efficiency ratio of the air conditioner, the energy efficiency ratio of the air conditioner reflects the amount of refrigeration (heat) converted into unit input power during the operation of the air conditioner. The greater the energy efficiency ratio of air conditioners, the more energy is saved when the cooling capacity is equal. The higher the energy efficiency ratio of air conditioners, the more energy is saved. Therefore, the energy efficiency ratio is also an important part of the considerations for buying air conditioners. At present, the air conditioners sold on the market adopt the new energy efficiency national standard, among which the air conditioner energy conservation level of the first grade energy efficiency, the air conditioner of the second grade energy efficiency grade, and the energy conservation of the air conditioner of the third grade energy efficiency grade are relatively low. Second, air conditioning selection method 1, cooling capacity When choosing, you should choose according to the space of your own home. This will allow the air conditioner to exert the best effect to achieve cooling. At the same time, the cooling capacity will be larger, and the effect will be better. If the cooling capacity is too small, although The purchase cost is low but the effect is poor and the power consumption is high; 2, energy efficiency ratio Air conditioning to see whether it is energy-saving, it depends on the number behind the machine model, the same cooling capacity of the machine, the higher the energy efficiency level, the more energy-saving, level 1 is the most energy-efficient, but the price is also the most expensive, from the cost-effective point of view, usually buy a level 2 is more appropriate. 3, frequency conversion machine and fixed speed machine The frequency converter has no mechanical noise to start and stop the compressor, and the temperature can be controlled to 0.5 degrees, which is suitable for use in the bedroom; 4, type According to the actual needs, the type of household air conditioner is divided into three types: window type, split wall type and split floor type according to different installation methods or structures. The general family bedroom is divided into wall-mounted styles, and the living room is divided into separate floor-standing styles. Especially in summer, air conditioning is the season with the highest usage rate. Air conditioning is very common in our life, so there are more and more air conditioners on the market. Then we must be careful in purchasing, through the above small series Pay attention to what to buy air conditioning, everyone knows, then if you want to know more about decoration information, continue to pay attention to the decoration home Internet cafe. More related wonderful reading: What are the principles for buying air conditioners? Buy air conditioning notes analysis What brand of air conditioner is good, brand introduction of air conditioner What are the precautions for purchasing air conditioners? How about the Oaks air conditioner? Buy air conditioning principles and misunderstandings What issues should I pay attention to when buying an air conditioner? 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