What is the most important thing to know about buying an air conditioner? The answer is parameters!

In the scorching summer, the high temperature is unbearable, making people feel like a year! Many consumers have gone to the air conditioning market to buy energy-saving and environmentally friendly air conditioners suitable for their own families, so how much do you know about the parameters of air conditioners before purchasing air conditioners? 1. Refrigeration (heat) capacity:

refers to the amount of heat removed from a confined space per unit time when the air conditioner stops refrigeration (heat) operation, and the legal unit of measurement is w (watts); 2. Rated power consumption of power supply: refers to the power consumed by the air conditioner when it stops refrigeration (hot) operation under rated working conditions, in w; 3. Performance coefficient: also known as energy efficiency ratio, COP value, EER value, is the ratio of refrigeration capacity to refrigeration power when the air conditioner is running for refrigeration, unit W W; 4. Energy efficiency ratio:

That is, the continuous quantification of the power consumption of air conditioning products, the larger the value, the more energy saving, on the contrary, the greater the energy efficiency level, the more electricity consumption. For example, there is no air conditioner with second-level energy efficiency.

5. Noise value: refers to the sound index generated by the operation of the air conditioner, which is mainly generated by the internal fan rotation, as well as the internal evaporator and the external condenser, which will directly affect our use warmth. Consumers need to think comprehensively about the fundamental parameters of all aspects before they can choose an energy-saving and environmentally friendly air conditioner that suits them!

Buy an air conditioner to see the parameters.

First, the most important thing to buy air conditioning is to look at the brand, choosing the right brand will reduce a lot of worries, well-known brands of air conditioning quality, after-sales system is also relatively perfect.

Second, the refrigeration capacity is one of the parameters that must be considered when buying air conditioners, the refrigeration capacity is too large, the effect is good, but the purchase is high, the refrigeration capacity is too small, the purchase cost is low, but the effect may be much worse. Normally, the cooling capacity per square meter required for an ordinary family room is 115-145W, and the cooling capacity per square meter required for the living room and dining room is 145-175W. Therefore, the living room or master bedroom of about 20 square meters can choose an air conditioner with a cooling capacity of about 3500w, and the other bedrooms of about 10 square meters can choose an air conditioner with a cooling capacity of about 2000w.

3. The energy efficiency ratio of the air conditioner reflects the amount of cooling (heat) converted into the unit input power during the operation of the air conditioner. The larger the energy efficiency ratio of the air conditioner, the more electricity will be saved when the cooling capacity is equal, and the higher the energy efficiency ratio of the air conditioner, the more electricity will be saved.

Fourth, inverter air conditioning in the use of comfort, energy saving, operating noise and other aspects of the advantage, from the current market sales situation, inverter air conditioning is now the mainstream air conditioning products.

Fifth, the general air conditioning is both cold and warm, the model is kfr, kfrd, if there is special heating equipment in winter, do not need to use air conditioning for heating, you can buy a single chiller, there is no r in the model marking, ** cheaper.

Key points for choosing an air conditioner:

1. Refrigeration capacity: the output power of air conditioning, China's standard unit is watts, and the Japanese unit is horse, 1 horse = 2500 watts, and the manufacturer requires 200 watts of square meters, for example, a 16-square-meter room needs a cooling capacity of 3200 watts, and you can buy 32 small horses. The refrigeration capacity is too large, the effect is good, but the purchase is high, the refrigeration capacity is too small, the purchase cost is low, but the effect is poor, and the power consumption is more.

2. Energy efficiency ratio: energy efficiency ratio = refrigeration capacity power consumption, and machines with the same cooling capacity have 1-5 levels of energy efficiency ratio, respectively. For example, if the cooling capacity of the horsepower machine is 3500 watts, the power consumption of the first-stage machine is 3500 watts, and the power consumption of the second-stage machine is 3500 watts, which shows that under the same cooling output, the power consumption of the first-stage machine is 1029-1094=65 watts less than that of the second-stage machine, that is, if the compressor works continuously for one hour, the first-stage machine consumes less electricity than the second-stage machine.

Level 1 is the most energy-saving, but level 1 ** is also the most expensive, level 5 is the cheapest, usually buy level 2 is more appropriate, under the premise of advocating a low-carbon economy, the country will prohibit the sale of machines with low energy efficiency ratio below level 4.

3. Inverter and fixed speed machine: the compressor of the inverter does not stop working, so there is no noise of starting and stopping the compressor of the fixed speed machine, the silence is very good, the temperature control accuracy of the inverter is about 2 degrees, which is much more accurate than the fixed speed machine 2 degrees, so the inverter is especially suitable for use in the bedroom, because the inverter is expensive, so there is no need for other rooms. Of course, if the economic conditions allow, it is better to have an inverter.

The energy-saving performance of the inverter lies in its high utilization rate of electric energy, which is not absolutely power-saving, and the manufacturer's propaganda is misleading, and the user has misunderstandings.

4. Brand: two camps, imported joint ventures are represented by Panasonic and Mitsubishi Electric, ** high, good technology, high brand grade, professional manufacturers of domestic products are Gree, Haier, Midea has seen rapid sales growth in recent years, Hisense mainly does inverters, Zhigao positioning commercial economy, domestic product quality and performance are not bad, so it is cost-effective.

5. Cooling and heating function: the general air conditioner is dual-purpose and cooling, the model is kfr, kfrd, if you don't need winter heating, you can buy a single chiller, the model is kf-**** much cheaper.

One horse is enough, Mitsubishi's is of course good, the most important thing is to look at the energy efficiency label, the first level is the best, that is, the international leading level. Of course, in fact, manufacturers will not do so well, energy efficiency and power are not up to the first level. Again, it is best to look at the national energy efficiency label at the first level.

The cooling capacity of the heating capacity is the EER

1. The main disturbance parameters that should be paid attention to when buying an air conditioner: the cooling capacity and refrigeration power of the air conditioner; heating power, heating power; Applicable area in summer, applicable area in winter; and parameters such as energy efficiency ratio.

2. Cooling capacity and heating capacity refer to the ability of air conditioning to regulate air temperature; Cooling power and heating power refer to the electricity consumption of air conditioners; The energy efficiency ratio refers to the ratio of the cooling capacity of the air conditioner to the cooling power. Horsepower refers to the positive cooling capacity of the air conditioner, 1 HP = 2324 watts (cooling capacity).

When purchasing an air conditioner, you need to consider the following parameters:

1.Cooling and heating power: This is the key parameter that determines the area used by the air conditioner and the size of the room. The cooling and heating power of the air conditioner should be selected according to the area and height of the room to obtain the best performance.

2.Energy efficiency ratio: The energy efficiency ratio of an air conditioner determines whether it can perform well in terms of saving electricity and reducing energy consumption. The higher the energy efficiency ratio, the higher the efficiency of the air conditioner and the lower the cost of use.

3.Noise: Before purchasing an air conditioner, you need to consider the impact of air conditioning noise on the occupants. Generally speaking, the noise of the indoor unit is less than 35 decibels, and the noise of the outdoor unit is less than 50 decibels.

4.Air Purification Function: The air purification function can effectively remove indoor odors and harmful substances. Some high-end air conditioners will be equipped with air purification technology, such as negative ion purification technology and multiple filtration systems.

5.Discretion is a key factor in a sound buying decision. On the basis of considering the above parameters, it is the wisest choice to choose a reasonable but reliable air conditioner. No base.