How to choose central air conditioning: Hot topics and purchasing guides in the past 10 days on the Internet
As the high temperature in summer continues, central air conditioning has become one of the hot topics on the Internet in the past 10 days. Consumers often face multiple considerations such as brand, energy efficiency, and price when purchasing. This article combines the latest hot topics and structured data to provide you with a practical central air conditioning purchasing guide.
1. Analysis of popular central air-conditioning topics on the entire network (last 10 days)

| hot topics | Discuss the popularity index | main focus |
|---|---|---|
| Central air conditioning energy consumption issues | 85% | Power saving technology, energy efficiency ratio |
| Intelligent control function | 78% | APP remote control, voice control |
| Installation and after-sales service | 72% | Installation cycle, warranty policy |
| price comparison | 65% | Domestic vs imported brands cost performance |
2. Comparison of core purchasing parameters of central air conditioners
| Parameter type | Recommended standards | Things to note |
|---|---|---|
| Refrigeration capacity | 150-200W per square meter | Calculated based on room area |
| Energy efficiency ratio (APF) | ≥3.6 (first-level energy efficiency) | The higher the value, the more power you save. |
| Noise value | ≤45dB | Bedrooms require special attention |
| Refrigerant type | R32 environmentally friendly refrigerant | Avoid choosing R22 obsolete products |
3. Performance comparison of mainstream brands in 2023
| brand | Representative models | Energy efficiency ratio | Reference price (yuan) |
|---|---|---|---|
| Gree | GMV-H160WL | 4.15 | 28,000-35,000 |
| Beautiful | MDVH-V160W | 4.30 | 25,000-32,000 |
| Daikin | VRV-N series | 4.50 | 35,000-45,000 |
| Haier | RFC160MXS | 4.20 | 22,000-28,000 |
4. Precautions when purchasing
1.House Structural Assessment: Professional designers are required to measure the actual cooling demand to avoid "small horses pulling big carts" or waste of resources.
2.Installation team qualifications: Choose a manufacturer-certified installation team and pay attention to key processes such as copper pipe welding and vacuuming.
3.Later maintenance costs: Filter cleaning costs and refrigerant replenishment prices need to be confirmed in advance. Some imported brands have higher maintenance costs.
4.Intelligent function matching: Choose additional functions such as WiFi control and fresh air system according to your needs to avoid paying for unnecessary functions.
5. Consumer FAQs
Q: How to choose between variable frequency and fixed frequency?
A: Variable frequency air conditioners are more suitable for long-term use, with small temperature fluctuations and more comfortable; fixed frequency air conditioners are cheaper but consume a lot of power.
Q: What is the difference between one-for-three and one-for-four?
A: It refers to the number of indoor units connected to an outdoor unit. It needs to be selected according to the actual number of rooms. The more the better.
Q: How long is the lifespan of a central air conditioner?
A: High-quality products can last 15-20 years, but they require regular maintenance.
Through the above structured data analysis and hot spot interpretation, I believe you have a clearer understanding of central air conditioning purchase. It is recommended to choose the most suitable product based on your own budget, house characteristics and brand service network.
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