Why does the air conditioner make noise? Analyze common causes and solutions
Recently, as the high temperature in summer continues and the frequency of air conditioning use increases, the discussion about "air conditioning noise" has become a hot topic on social platforms. Many users have reported that abnormal noises occur when the air conditioner in their home is running, which affects their rest and quality of life. This article will combine the hot discussions on the entire network in the past 10 days to conduct a structured analysis of common causes and solutions of air-conditioning noise.
1. Popularity data of topics related to air-conditioning noise in the past 10 days across the entire network
| platform | Amount of related topics | Hot search highest ranking | Typical user feedback |
|---|---|---|---|
| 12,000 items | No. 18 | “The new air conditioner I bought is like a tractor” | |
| Douyin | 8500+ videos | Home Appliances 3rd | "Record of Air Conditioner Knocking Repair Repair" |
| Zhihu | 320 questions | Hot list No. 27 | "How to solve the low-frequency buzzing sound of air conditioner?" |
2. Five common causes of abnormal noise in air conditioners
According to public responses from home appliance repair experts and brand official customer service, air conditioning noise is mainly divided into the following types:
| Noise type | Possible reasons | probability of occurrence |
|---|---|---|
| buzz | Compressor aging/unstable installation | 35% |
| dripping sound | Clogged/tilted drain pipe | 22% |
| click | Thermal expansion and contraction/fan blade collision | 18% |
| high-pitched howl | Bearing lack of oil/motor failure | 15% |
| The wind is too loud | The filter is clogged/the fan speed is set too high | 10% |
3. User self-checking steps
1.Basic check:First turn off the power of the air conditioner, check whether the outdoor unit bracket is loose, remove surrounding debris, and confirm the cleanliness of the indoor unit filter.
2.Sound localization:Use the recording function of your mobile phone to record abnormal noises and compare the sound differences in different modes (cooling/air supply).
3.Simple processing:For buzzing noise, you can try to install a shock-absorbing rubber pad at the bottom of the external unit; for dripping noise, you can use thin wire to clear the drainage hole.
4. Maintenance cost reference
| Fault type | Door-to-door testing fee | Maintenance fee range | Suggested handling |
|---|---|---|---|
| Compressor failure | 50-100 yuan | 300-800 yuan | Contact official after-sales service |
| Fan motor replacement | 50 yuan | 150-400 yuan | Third party repair |
| Unclogging pipelines | 30 yuan | 80-120 yuan | Handle it yourself |
5. Practical suggestions for preventing abnormal noise from air conditioners
1.Regular maintenance:Clean the filter every 2 months and check the fixing screws of the outdoor unit before use every year.
2.Correct use:Avoid frequent power on and off, and the cooling temperature is recommended to be set above 26°C.
3.Installation notes:The outdoor unit should be at least 20cm away from the wall, and the installation base must be kept level.
Recently, "silent air conditioners" launched by many brands have become a hot consumer topic, but experts remind that any air conditioner may produce noise due to the environment in which it is used, and correct maintenance is more important than pursuing absolute silence. If the abnormal noise persists, it is recommended to give priority to reporting for repair through official channels to avoid dismantling the machine without permission and voiding the warranty.
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