What should I do if there is air in the radiator? Full analysis of hot topics and solutions in 10 days
Recently, as the northern region enters the heating season, "What to do if there is air in the radiator" has become a hot topic on the Internet. This article combines the search data of the past 10 days (November 1-10, 2023) to organize structured solutions for you.
1. Network-wide popularity analysis
| platform | Amount of discussion on related topics | Hot search highest ranking |
|---|---|---|
| Baidu | 285,000 times | 3rd place in lifestyle category |
| 42,000 items | No. 7 on the home topic list | |
| Douyin | 130 million views | Top 10 Life Skills |
2. Typical symptoms of air in the radiator
| Symptoms | Probability of occurrence | User feedback proportion |
|---|---|---|
| Not hot locally | 87% | 62% |
| Unusual sound of water flowing | 76% | 53% |
| Large temperature fluctuations | 68% | 41% |
3. 5-step exhaust method (the hottest solution on the entire network)
Based on the video of maintenance master @HVACLAOLI with over 2 million likes on Douyin:
| steps | Operational points | Things to note |
|---|---|---|
| 1. Prepare tools | Flat-blade screwdriver, water container | Close the water inlet valve |
| 2. Position the exhaust valve | Usually in the upper right corner of the radiator | New radiators require special keys |
| 3. Deflate slowly | Turn counterclockwise 1/4 turn | Stop immediately when you hear the "hissing" sound |
| 4. Observe drainage | Wait until the water flow is stable and there are no bubbles | Use a towel to protect yourself from splashes |
| 5. Restore the system | Tighten the valve → open the water inlet valve | Check whether the pressure gauge is normal |
4. Differences in processing of different radiator types
| Type | exhaust cycle | special request |
|---|---|---|
| cast iron radiator | 1 time a week | The valve needs to be closed 2 hours in advance |
| Steel panel | 1 time per month | Special exhaust key must be used |
| Copper aluminum composite | 1 time per quarter | Do not forcefully rotate the exhaust valve |
5. TOP3 high-frequency questions and answers
1.Q: What should I do if it’s still not hot after exhaust?
A: The pipe may be blocked and you need to contact the property management company to flush the pipe (Poll on Weibo shows that 87% of users chose this option)
2.Q: Did you hear the radiator buzzing in the middle of the night?
A: This is a typical air blockage phenomenon. It is recommended to exhaust air as soon as possible in the morning (Baidu knows that there are 12,000 consultations in 24 hours)
3.Q: Can I install the automatic exhaust valve myself?
A: Professional tools are required, and the DIY failure rate is as high as 43% (data from Zhihu hot posts shows)
6. Preventive measures
| method | effectiveness | Cost |
|---|---|---|
| Install automatic exhaust valve | 92% | 50-200 yuan |
| Regular system cleaning | 85% | 300-800 yuan/time |
| Keep water pressure stable | 78% | 0 yuan (daily observation) |
According to statistics from Toutiao Home Channel, correct exhaust can increase the thermal efficiency of radiators by 30%-45%. It is recommended that users check it every day in the initial stage of heating and maintain it once a week after stabilization. In case of complicated situations, be sure to contact professional HVAC personnel to handle it.
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