One driven multi DC frequency conversion multi connected products, such as one driven four systems, when only one indoor unit with a small number of horsepower is turned on, the power consumption value of the air conditioning system in unit time is much larger than that of a split wall mounted air conditioner with the same number of horsepower as the indoor unit with a small number of horsepower.
However, when the total number of indoor units opened is close to 50% or more of the number of outdoor units, the working energy efficiency of one drag multi frequency conversion multi split air conditioners will be very high, that is, compared with the same number of split wall mounted air conditioners, it will save electricity.

There are many types of central air conditioners, and the use effect is different, so when purchasing household central air conditioners, the following aspects should be considered: 1. Select the host model: first, determine the host model according to the area and orientation of the house. Household usually 120-150 W/m2. If the room faces south, the floor is higher, or there is a large area of glass wall, it can be appropriately increased to about 180~200 watts/square meter. 2. Selection of indoor unit and air outlet: the model of indoor unit is determined according to the actual cooling capacity required. Each room or hall only needs one indoor unit or air outlet. If the living room is large or rectangular, one more indoor unit or air outlet can be added. It shall be subject to the requirement of one horse for every 12 square meters. 3. Determine the air conditioning layout: the location of the host should be well ventilated and heat dissipating, easy to repair and maintain, and the location should be concealed as far as possible to avoid affecting the appearance of the house and the indoor noise; The position of the indoor unit should match the indoor decoration layout, which is usually hidden in the ceiling, or on the top of the high cabinet.

There is no absolute distinction between central air conditioning and ordinary air conditioning, but the popularization of central air conditioning is a general trend. In fact, not only central air conditioning, but also "new" technologies such as fresh air, floor heating, circulating water, and water purifiers will be introduced into millions of households sooner or later, because these technologies can really improve our quality of life. I hope that the introduction of the difference between central air conditioning and ordinary air conditioning can help you make a choice.

The central air conditioner installed at home is fast, even and comfortable. The range of air supply covers all bedrooms. Space saving, beautiful appearance, one air conditioner can make all the bedrooms cool, and each bedroom does not need an air conditioner to occupy the bedroom space. The cost is low and the service life is long. Compared with other air conditioners, central air conditioners are more energy-saving, environmentally friendly and cost less electricity.

Does the household central air conditioner charge electricity? It doesn't consume electricity. It doesn't consume electricity like ordinary air conditioners. You can install it with confidence. If you buy a frequency converter, it will reduce the frequency when the temperature reaches

Does the household central air conditioner charge electricity? Since the frequency conversion technology is used in the household central air conditioner, it also has obvious effect in energy saving. When the indoor temperature reaches the temperature set by the user, the household central air conditioner can operate with low energy consumption. The operating energy consumption of the household central air conditioner is low, which means that the same amount of cooling or heat can be obtained, and the energy consumption of the household central air conditioner is lower. Although the installation cost of home type central air-conditioning is relatively high in the early stage, the operating cost has been reduced accordingly.

With the large investment in R&D of central air conditioners by major manufacturers, the energy efficiency ratio of central air conditioners has exceeded the level of ordinary air conditioners such as cabinet type and split type. In other words, the energy efficiency ratio of general household split air conditioners is about 2.3~2.8, while that of central air conditioners can reach more than 3.0. At the same temperature, the power consumption of household central air conditioners is lower than that of ordinary cabinet type and split type air conditioners. In addition, the central air conditioner can also be used with a wall mounted stove, or the ground source heat pump technology can be used to improve the energy efficiency ratio of the air conditioner to more than 5, so the power consumption of the household central air conditioner is not large.

Central air conditioning is still a popular product. It used to be commercial, but now there are many household central air conditioners on the market. Household central air conditioners will not consume much electricity, so you can rest assured. The household central air conditioner can uniformly control which room is cooled, so it can save electricity. The quality of household central air conditioners is also very good, so I will also recommend you to use household central air conditioners.

Power consumption=power × time. Large power does not mean large power consumption. If all rooms are equipped with ordinary air conditioners, the power of these ordinary air conditioners will be far greater than that of household central air conditioners after adding up. Please refer to the comparison table. The characteristic of household central air conditioning is that the cooling capacity can be transmitted to any room that needs it, so the total cooling capacity can generally be 20% or less (ordinary families do not need cooling at the same time). Ordinary air conditioners must go to the general election according to the area of each room. For example, a room of 10m2 only needs 1000W cooling capacity, but there is no air conditioner with 1000W cooling capacity in the market, so you have to choose an air conditioner with 2500W (1P) cooling capacity, which not only wastes resources, but also increases power. If there is only one room that needs cold air at ordinary times, the ordinary air conditioner with 2500W cooling capacity will be used. Assuming that the compressor has worked for 4 hours, the household central air conditioner with 10000W cooling capacity will only work for 1 hour to meet the cooling capacity requirements. If the air conditioner is large, the startup time will be short, and the air conditioning will be small, then the startup time will be long. The power consumption is determined by the thermal load, and the thermal load is the same, The power consumption should be about the same. Comparison table of cooling capacity and power Comparison table of fan coil system (water system) Comparison table of common household air conditioner in three rooms and two halls Tsinghua Tongfang central air conditioner living room+dining room 42 m2 Cooling capacity 6000W, power 2600W

Central air conditioners have higher technology content and more precise manufacturing requirements, so their energy efficiency ratio is often higher and more power saving than split air conditioners. At present, the energy efficiency ratio of general household split air conditioners is about 2.3-2.8, while that of central air conditioners can reach more than 3.6, so the energy efficiency of household central air conditioners is far higher than that of ordinary cabinet and split air conditioners.

In order to actually compare the power consumption of central air conditioners and split air conditioners, I will make an account for you: take the current 120 square meter three room two hall residence as an example, take the use of air conditioners for three months (90 days) every year and 14 hours a day as an example:

If the power used is 4.05KW household central air conditioner, the annual power consumption is 90 * 14 * 45% * 4.05kw=2296.35KW; In contrast, if the 1.5 horsepower split machine is used in each hall, the single refrigerating capacity is 2700W, and the power is 1.2KW, all the machines in each hall are turned on, and the power consumption is 90 * 14 * 45% * 1.2KW * 4=2721KW.

From this comparison, you can see that as long as there are many rooms and the size of the house is large, the central air conditioner must be more power efficient, and after all, the central air conditioner is hidden in the ceiling, which is more beautiful!

Generally, the efficacy of our home air conditioner is about 2.3~2.8, while the central air conditioner can reach more than 3.6. Therefore, the central air conditioner consumes a little more power than the general dehumidifying air conditioner. However, the hidden installation of the central air conditioner does not occupy space. The central air conditioner can be installed in the roof, which will make our whole family feel particularly cool and comfortable. It contains a link of constant temperature, which is a corresponding effect that a host can achieve. It can help us to have an energy-saving effect.

The central air conditioner does not consume electricity. It looks scary, but it's actually good. If you buy a frequency converter, the temperature will stabilize, and the power will not be high.

For household air conditioners, the power consumption of central air conditioners is higher than that of multiple single units, because outdoor units are light loaded most of the time, resulting in a high proportion of no-load losses

In fact, the heating effect of central air conditioning is the same as that of ordinary air conditioning, which is not to worry about. Why people choose central air conditioning instead of ordinary air conditioning is because central air conditioning is more convenient to use, especially for families with more rooms. If you want to buy split air conditioners, you need to buy several split air conditioners, and the price is not cost-effective, It is relatively practical to use central air conditioning, which has nothing to do with its efficacy.