For most people, if you care about the cost-effectiveness of the Hualing HB1A, you will not make any mistakes when buying a 3-horse air-conditioning cabinet. When someone compares several models and is unsure of their minds, I recommend buying Hualing .
Since it is a cost-effective cabinet, in terms of brand selection, Japanese, Korean and some high-end brands are excluded. There are not many Japanese cabinets available, let alone cost-effective. After the exclusion method, 3-horse cost-effective air conditioners are selected among mainstream domestic brands, taking into account performance configuration and brand services. Hualing HB1A is the first choice.
Hualing HB1A air conditioning cabinet
compressor displacement is large
compressor is called the heart of air conditioning, compressing refrigerant from low-temperature and low-pressure gas state to high-temperature and high-pressure gas state, and providing circulation power of the air conditioning system. As the core component of the air conditioner, the compressor determines the range of air conditioner capabilities, and the performance of the compressor mainly depends on the displacement.
- Hualing: Meizhi 24cc displacement
- Gree : Lingda 21.2cc displacement
- Haier and Commander : Mitsubishi Electric
Currently, the compressor used in air conditioners ranges from 13.2~25cc displacement. Small displacement compressors are less power-saving, such as low-temperature refrigeration requirements (outdoor 29/indoor 27℃).
However, when performance requirements are high, such as high-temperature cooling (outdoor 43/indoor 27℃), or when air conditioning heating, a small-displacement compressor needs to run high frequency for a long time to achieve the required capabilities, which will consume more power, and the noise and vibration of the external unit will be more obvious.
Hualing HB1A uses Meizhi 24cc dual-rotor compressor. Meizhi is the world's largest household air conditioner compressor manufacturer, with an annual sales volume of up to 100 million units and a market share of 48%. There is one Meizhi compressor for every two household air conditioners.
Meizhi 24cc compressor has a large displacement and can handle it calmly when the air conditioner needs high performance. It does not require a very high revolution to achieve the required capabilities. This compressor also has strong performance. Some brands of 4-horse air conditioners also use this compressor.
has strong heat exchange capacity
The air conditioner itself neither refrigerates nor heats, but relies on refrigerant to circulate between the external condenser and the internal evaporator to transport heat from one side to the other. In addition to the compressor, the heat exchange capacity of air conditioners mainly depends on heat exchanger , fans and motors.
Hualing HB1A internal disassembly
condenser size
- Hualing: 2 rows of 56 0.93m×7mm copper tubes, total length 52 meters
- Gree: 2 rows of 56 1m×7mm copper tubes, total length 56 meters
- Haier: 2 rows of 56 0.92m×7mm copper tubes, total length 51.5 meters
condenser size. Gree is slightly bigger, but these three brands are basically at the same level, and are all a little bigger than second- and third-tier brands condensers.
motor + fan
- Hualing: 80w motor + φ535mm wind blade
- Gree: 60w motor + φ520mm wind blade
- Haier: 60w motor + φ490mm wind blade
air conditioning principle is to transport heat, and the heat comes from the air, that is, the circulating air volume of the air conditioner. The air blade size and motor power of Hualing HB1A are both larger. The fan can achieve a larger air volume in a poor ventilation environment, and can also provide a larger air volume at low revolutions. The noise of the air conditioner outside the low revolutions is also lower.
Overall, the heat exchange capacity of an air conditioner depends on the combination of the three sets of components: compressor, heat exchanger, and fan motor. Hualing HB1A has obvious advantages in compressor displacement and fan motor configuration, and has stronger heat exchange capacity.
with refrigerant ring supports high-temperature refrigeration
Nowadays, most new houses are high-rise residential . In order to pursue the beautiful architectural style, the outdoor air conditioner is mostly grooved structure, and only one air outlet is blocked and closed with louvers. The ventilation effect of this closed position is poor. The hot air blown from the air conditioner outside cannot be completely discharged to the atmosphere, and there is a problem of hot air reflow, causing the temperature of the air conditioner outside unit to rise.
The temperature rises, and the heat dissipation of the inverter becomes a big problem.The fixed frequency air conditioners before
, since my country's power grid is 220V/50Hz, the compressor can only operate at a 50Hz frequency constant.
Nowadays, air conditioners are all inverters. Compared with fixed frequency air conditioners, inverter air conditioners have one more key component - the inverter. The frequency converter is called the "brain of air conditioner". It first rectifies the alternating current into DC , and then outputs the alternating current of different frequencies through the inverter to control the compressor frequency, so that the air conditioner can run safely, efficiently and comfortably.
In a high-temperature environment, the electronic components on the inverter have a risk of overheating. To avoid failure, the inverter will reduce the compressor frequency to reduce the current at a high temperature, thereby reducing the temperature of the electronic components. At the same time, frequency reduction leads to a decrease in the performance of the air conditioner and a worse refrigeration effect.
, especially in closed cameras, when the outdoor ambient temperature is 35~43℃, the air conditioner return air temperature is as high as 52~58℃, the air conditioner refrigeration capacity will decline sharply, and may also go down, and the temperature will return to the normal range before it can run.
According to statistics, the electrical control failure of is caused by excessive temperature . For every 10℃ increase in the ambient temperature of the air conditioner, the reliability of the air conditioner will be reduced by 50%.
conventional cooling method for air conditioning inverters is to install a heat sink and use high-temperature air to cool down through the condenser. However, in high-temperature environments, more special heat dissipation methods are required. The method is usually:
- uses components with higher temperature resistance and higher specifications, which will greatly increase costs.
- introduces environmental air to cool the inverter, and overhaul the structure of the air conditioner external unit needs to be overhauled, and the air duct and opening are designed. The fan chamber and compressor chamber usually have water, and the waterproof treatment of the inverter must also be considered.
- refrigerant cooling technology uses the indoor temperature refrigerant (lower than the outdoor ambient temperature) flowing out of in evaporator to cool down.
Hualing HB1A uses refrigerant ring to dissipate heat
Hualing refrigerant ring, which is the refrigerant heat dissipation technology. Through disassembly, it was found that the refrigerant ring system includes a U-shaped refrigerant ring and an aluminum heat conducting plate. There are also a large number of thermal grease between the refrigerant ring and the aluminum plate. The refrigerant ring does not participate in the heat exchange of the air conditioning system, and mainly cools down the IPM and various components on the inverter.
- Hualing: Refrigerant ring
- Gree: Conventional heat dissipation
- Haier: Conventional heat dissipation
Refrigerant ring effect
Hualing HB1A relies on the refrigerant ring to dissipate heat for the inverter. It can operate stably in a high-temperature environment of 60℃, and can still output 97.3% cooling capacity at 48℃ outdoors, without fear of high temperature weather.
According to statistics, after 2000, closed cameras accounted for as high as 62.9%, and in this case, Hualing HB1A with a refrigerant ring is the preferred model.
Power saving
If you buy an air conditioner, in addition to the hardware configuration, you must also pay attention to the power consumption of the air conditioner. The power consumption of air conditioners mainly depends on the energy efficiency APF value, power saving mode, and long-term energy efficiency.
Energy Efficiency
Home air conditioner will implement the new national standard for air conditioners energy efficiency of GB 21455-2019. The new national standard stipulates that the APF value of the new first-level energy efficiency of 3 horse air conditioners should reach more than 4.2. Hualing HB1A's energy efficiency APF value is 4.42, reaching and exceeding the new level of energy efficiency requirements.
In fact, Gree 3 new first-level cabinet machine has the same APF value as Hualing, and is also 4.42, but the price is nearly 2,000 yuan more expensive than Hualing. Not to mention the new first-level energy efficiency, even the 3-horse cabinet with a new third-level energy efficiency APF value of 3.69 is several hundred more expensive than the Hualing HB1A.
Is Gree's new third level better than Hualing's new first level? Impossible, unscientific, and violates common sense. The new third-level cabinet machine is still using AC motor . During heating, several sets of copper tubes are removed by the internal unit evaporator, which is smaller in size and poor in heat exchange capacity. There may be hot air at the upper end of the air outlet and cold air at the lower end.
Power Saving Mode
When using air conditioners, the power consumption is not only related to energy efficiency, but also the electronic control program is very important.
The most power-consuming component of the air conditioner is the compressor, which accounts for about 3/4 of the total power consumption of the air conditioner. The power-saving mode of the air conditioner is to control the number of revolutions of the compressor and maintain the operation in the low-frequency power-saving mode.
Most of the new three-level energy-efficient air conditioners are 3 horsepower, and many new first-level, the lowest frequency of the compressor is above 20Hz, and the minimum power must be 400~500w, Hualing air conditioner turned on CS saving mode , the compressor rotation number is as low as 10Hz frequency, and the minimum power is only above 200w, which is very power-saving and the temperature control is more accurate.
Long-term energy efficiency
Many people may not know that in the air conditioning industry, in addition to the new national standard for air conditioning energy efficiency of GB 21455-2019, there is actually an industry standard for "long-term energy-saving assessment of air conditioning". Because after a few years of use of the air conditioner, the fins of the outer unit condenser will accumulate dust, and the ventilation and heat exchange effects will become worse.
According to statistics, the air conditioner that has been used for about 3 and a half years has caused the average cooling capacity to decay about 15% due to the dust accumulation of the external condenser. In the past, when cleaning air conditioners, we could only ask manufacturers to wash them after-sales service, not only to pay for money, but now many high-rise residential buildings do not have the conditions for cleaning the external units.
The dust accumulation in the air conditioner outside the air conditioner is mainly related to the shape of the condenser fins. In terms of heat exchange effect, straight fins <> That is to say, make a condenser with the same heat exchange ability:
- Window fins: the lowest cost, especially easy to accumulate gray
- Corrugated fins: the cost is medium, the accumulation of gray is generally
- straight fins: the highest cost, not easy to accumulate gray
Three fin shapes: the accumulation of dust after the same time is used
Window fins are only used on the internal evaporator because they are easy to accumulate dust. Currently, most of the 3-horse air-conditioning outdoor units use corrugated fins, and only some brands such as Hualing use straight fins.
Hualing HB1A also has a reverse dust removal function . The dust accumulation in the condenser is mainly on the windward surface, so that the air conditioner fan can reverse and blow away large particles of dust.
Inverted dust removal function looks very simple, but to achieve better results, large torque and high air volume are required to achieve better reversal dust removal effect. Therefore, Hualing HB1A uses an 80w high-power motor, paired with a large size φ535mm air blade, and a straight fin condenser, to achieve better reversal dust removal effect.
Hualing's inverted dust removal technology is very practical. This function does not require users to worry about. It will run on its own after the air conditioner is turned off regularly. The entire process of inverted dust removal only takes about 2 minutes, which is very fast and consumes very little power.
internal unit large air outlet
air conditioner core components, including compressor, inverter, throttle valve , condenser, outdoor fan, etc., all of which are on the air conditioner outdoor unit. Compared with the external unit, the core function of the air conditioner internal unit is air supply. Although the function is relatively single, the air supply effect is related to the comfort of the human body.
For air conditioning cabinets, the air outlet size has a greater impact on comfort, because: air conditioning circulation air volume = air outlet area × wind speed.
Hualing HB1A internal unit is large air outlet design , with larger circulation air volume, wider and farther air supply, faster cooling and heating of air conditioners, and more uniform room temperature. Hualing HB1A also has one-button anti-direct blowing mode , which automatically adjusts the wind speed and wind guidance angle to avoid discomfort caused by cold wind blowing directly to people. It is suitable for weak and sensitive people.
Reliable service
Air conditioner cannot be used directly after buying it, but also needs to be installed, which determines that the installation service is equally important and product quality.
Hualing Air Conditioner relies on the Ande Smart Connect platform in terms of service. Ande is one of the top ten supply chain logistics companies in China. It mainly provides integrated professional services for large-scale home appliances and home warehousing, distribution, installation and after-sales service. It is distributed in 3,000 delivery outlets across the country, covering 99.1% of townships across the country.
Summary: 3-horse air conditioning cabinets, the big brands have stronger technical indicators and service capabilities than small brands, so compared with Hualing, Gree and Haier, these three companies have almost the same hardware level. Hualing has advantages in compressor displacement, heat exchange capacity and other configurations. The key is that Hualing has a refrigerant ring, which has outstanding advantages in high-temperature refrigeration effect.
Hualing HB1A air conditioner external disassembly
and Hualing has a great price advantage. Hualing HB1A is sold for more than 5,000 yuan, and the configuration is not bad compared with the other two models with 6,000 yuan or 7,000 yuan. In many aspects, Hualing has more advantages in configuration and functions.
After comparison with the exclusion method, remove the expensive brands and then remove the small brands. Among the reliable brands, it is better configured and can meet the various outdoor unit environments to support high-temperature refrigeration. After searching for such 3-horse air-conditioning cabinets, only Hualing HB1A is the only one. Therefore, some people call Hualing HB1A the cabinet machine.
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