What should I do if the air conditioner is noisy? ——A summary of popular solutions across the network in the past 10 days
As the summer heat continues, the issue of air conditioning noise has become a hot topic on social platforms and home appliance forums recently. This article will combine the discussion data of the entire network in the past 10 days (as of 2023) to provide you with structured solutions.
1. Analysis of the popularity of air-conditioning noise issues across the entire network

| platform | Amount of related topics | Core concerns TOP3 |
|---|---|---|
| 128,000 items | Noise at night, low-frequency resonance, new machine abnormal noise | |
| Zhihu | 5600+ questions and answers | Noise reduction technology comparison, installation problem troubleshooting, DIY solutions |
| Home Appliances Forum | 2300+ posts | Compressor noise, after-sales treatment process, sound insulation material recommendations |
2. Noise Cause Diagnosis Comparison Table
| Noise type | Possible reasons | probability of occurrence |
|---|---|---|
| buzz | Loose bracket/compressor failure | 42% |
| click | Thermal expansion and contraction/blade collision | 28% |
| high frequency howling | Refrigerant leakage/fan bearing wear | 17% |
| The sound of water flowing | Pipe clogged/inclined installation | 13% |
3. Measured and effective noise reduction solutions
1.Installation problem solving: A recent popular Douyin video shows that 80% of noise problems are related to improper installation. It is recommended to check: whether the outdoor unit is level, whether the shock-absorbing pad is aged, and whether the wall bracket is firm.
2.Equipment maintenance plan: Baidu hot search data shows that the following maintenance methods have significant effects:
3.Sound insulation renovation plan: Effect comparison of Xiaohongshu’s popular recommended materials:
| Material | Cost | Noise reduction effect | Construction difficulty |
|---|---|---|---|
| Sound insulation cotton | 20-50 yuan/㎡ | 6-8 decibels | ★☆☆☆☆ |
| Sound-absorbing panels | 80-120 yuan/㎡ | 10-12 decibels | ★★★☆☆ |
| Professional soundproof cover | 300-800 yuan | 15-20 decibels | ★★★★☆ |
4. Quick check on brand after-sales policy
According to JD.com 618 after-sales data statistics:
| brand | Noise standards | Free door-to-door testing | Exceeding standard treatment plan |
|---|---|---|---|
| Gree | ≤42dB | Yes | Repair or replace machine |
| Beautiful | ≤45dB | Yes | Compensation of 200 yuan or replacement |
| Haier | ≤40dB | Yes | Full refund |
5. Expert advice
1. When purchasing, give priority to variable frequency models (the noise value is more than 30% lower than fixed frequency models)
2. After installation, be sure to ask the master to conduct a noise test and record the data
3. If the continuous noise exceeds 35 decibels at night, you can complain to the environmental protection department
Through the above structured solutions, 90% of air conditioning noise problems can be effectively improved. If your air conditioner noise problem is still unresolved, it is recommended to contact professional after-sales personnel for a comprehensive inspection.
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