How to choose central air conditioning
With the advent of high temperatures in summer, central air conditioning has become an essential appliance for many homes and businesses. However, with so many brands and models on the market, how do you choose a central air conditioner that suits you? This article will provide you with a detailed purchasing guide based on the hot topics and hot content on the Internet in the past 10 days.
1. Core parameters of central air conditioning

When choosing a central air conditioner, you must first pay attention to the following core parameters:
| parameters | Description | Recommended value |
|---|---|---|
| Refrigeration capacity | The cooling capacity of the air conditioner per unit time, in W or BTU | Calculated based on the room area, generally 150-200W per square meter is required |
| Energy Efficiency Ratio (EER) | The ratio of cooling capacity to input power, the higher the value, the more energy is saved. | ≥3.0 |
| Noise value | The noise produced by the air conditioner when it is running, in decibels (dB) | ≤45dB |
| Frequency conversion technology | Whether it supports variable frequency, variable frequency air conditioners are more energy-saving and comfortable | Recommended frequency conversion |
2. Brand selection of central air conditioners
According to the popular discussions on the Internet in the past 10 days, the following are the central air-conditioning brands that consumers are paying more attention to:
| brand | Features | Price range (yuan) |
|---|---|---|
| Gree | Domestic faucet, high cost performance and good after-sales service | 8000-30000 |
| Beautiful | Leading energy-saving technology and rich intelligent control functions | 7000-25000 |
| Daikin | Japanese high-end brand, good mute effect | 15000-50000 |
| Haier | Outstanding healthy air conditioning technology, suitable for home use | 6000-20000 |
3. Precautions for installation of central air conditioners
The installation quality of central air conditioning directly affects the use effect and lifespan. The following are the key points to pay attention to:
1.Plan ahead: Before decoration, it is necessary to determine the air conditioning plan, including the location of the main unit, the direction of the pipes, etc.
2.Choose a professional installation team: It is recommended to choose installation services officially authorized by the brand to ensure professionalism.
3.Pipe insulation: Refrigeration pipelines must be well insulated to prevent energy loss and condensation.
4.drainage system: Make sure the drainage pipe has sufficient slope to avoid water accumulation.
4. Central air conditioning maintenance
In order to extend the service life of central air conditioners, regular maintenance is essential:
| Maintenance items | Frequency | Things to note |
|---|---|---|
| Filter cleaning | 1 time per month | Can be rinsed with clean water, dried and reinstalled |
| Outdoor unit cleaning | 2 times a year | Remove dust and debris and maintain ventilation |
| System check | 1 time per year | Have professionals check the refrigerant, circuits, etc. |
5. New trends in purchasing central air conditioners in 2023
According to recent hot topics, the central air-conditioning market will present the following new trends in 2023:
1.Health function upgrade: More and more products are adding functions such as sterilization and formaldehyde removal.
2.Intelligent Internet: Supports smart operations such as mobile APP control and voice control.
3.Energy saving and environmental protection: Products using environmentally friendly refrigerants such as R32 are more popular.
4.Personalized customization: Provide customized solutions for different room types.
Through the above analysis, I believe you have a clearer understanding of how to choose central air conditioning. It is recommended to choose the most suitable product based on your needs, budget and housing conditions. When purchasing, remember to compare several stores and pay attention to the merchant's promotions, you may get more discounts.
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