What should I do if the heating is not hot? Comprehensive analysis of causes and solutions
As winter approaches, lack of heating has become a focus of concern for many families. This article will combine hot topics and user feedback from the entire Internet in the past 10 days to provide a structured analysis of common reasons why the heater is not hot and corresponding solutions to help you solve the problem quickly.
1. Common reasons and proportions of heating failure (based on recent user complaint data)
| Reason type | Proportion | Typical performance |
|---|---|---|
| clogged pipes | 35% | Some radiators are not hot or have large temperature differences |
| Insufficient air pressure | 25% | Overall heating temperature is low |
| Equipment failure | 20% | Completely no heat output |
| valve problem | 12% | Single set of radiators not working |
| other reasons | 8% | Thermostat failure, etc. |
2. Step-by-step solution
Step 1: Basic check (applicable to 80% of simple problems)
1. Confirm whether the main valve is fully open (open when the handle is parallel to the pipe)
2. Check whether the household heating pressure gauge is within the normal range of 1.5-2Bar.
3. Use a screwdriver to gently tap the pipe to remove the air blockage (hearing an empty sound means there is air)
Step 2: Professional handling advice
| Question type | Professional tools | Operational points |
|---|---|---|
| clogged pipes | Pipe dredging machine | It is necessary to close the main valve and then clean it in sections |
| System exhaust | Automatic exhaust valve key | Exhaust layer by layer starting from the top |
| Water pump failure | Multimeter | Check whether the coil resistance value is normal |
3. Recently popular auxiliary solutions (from actual testing and sharing on social platforms)
1.Popular methods on Douyin:Use a mineral water bottle to make your own exhaust device (needs to be used with an exhaust valve)
2.Xiaohongshu recommends:Magnetic filter installation can reduce impurity accumulation by 80%
3.Zhihu high praise plan:Flushing the floor heating system once a month can increase thermal efficiency by 22%
4. Special precautions for different heating systems
| System type | optimal water temperature | Maintenance cycle |
|---|---|---|
| central heating | 60-75℃ | Annual inspection before use |
| wall mounted boiler | 55-65℃ | In-depth maintenance every 2 years |
| Electric floor heating | ≤60℃ | Monthly inspection for missing insurance |
5. Emergency handling
Please stop using it immediately and contact professionals if you encounter the following situations:
1. There is obvious leakage in the pipeline (more than 500ml of water leakage per hour)
2. The surface temperature of the radiator exceeds 85℃
3. Smell gas or burnt smell
6. Preventive maintenance suggestions
1. Complete system flushing before the heating season (can increase heating efficiency by 15%-30%)
2. Install a smart thermostat (the latest model can save more than 20% energy)
3. Keep no obstructions within 1 meter around the radiator
With the above structured solutions, most heating problems can be effectively dealt with. If there is no improvement after 24 hours of self-treatment, it is recommended to contact the local heating company or professional maintenance personnel.
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