How to clean the filter
With the arrival of summer, the frequency of use of home appliances such as air conditioners and air purifiers increases, and the issue of filter cleaning has become a hot topic recently. Many users report that the filter has not been cleaned for a long time, which will lead to a decrease in equipment efficiency and even affect health. This article will introduce in detail how to clean the filter, and provide hot topic data on the entire network in the past 10 days for reference.
1. The importance of filter cleaning

Filters are key components in home appliances that block dust and bacteria. Filters that have not been cleaned for a long time will accumulate a lot of dirt, causing the following problems:
1. The cooling/heating efficiency of the equipment decreases and the power consumption increases.
2. Breeds mold and bacteria, affecting indoor air quality.
3. Shorten the service life of equipment and increase maintenance costs.
2. Hot topic data on the entire network in the past 10 days
| Ranking | hot topics | amount of discussion | Main platform |
|---|---|---|---|
| 1 | Air conditioning filter cleaning tutorial | 125,000 | Douyin, Xiaohongshu |
| 2 | Air purifier filter replacement cycle | 87,000 | Weibo, Zhihu |
| 3 | DIY Tips for Cleaning Filters | 63,000 | Station B, Kuaishou |
| 4 | Filter Cleaner Review | 51,000 | Taobao, JD.com |
| 5 | The dangers of not cleaning the filter | 48,000 | WeChat public account |
3. Detailed explanation of filter cleaning steps
1. Preparation
- Turn off the power supply and make sure the device is completely powered off
- Prepare soft brushes, neutral detergent, water and other tools
- Check the manual to confirm the filter location
2. Remove the filter
- Open the device panel according to the instruction manual
- Gently remove the filter to avoid damaging the buckle with excessive force.
- Take photos to record the original installation location to prevent incorrect installation.
3. Cleaning method
| stain type | Cleaning method | Things to note |
|---|---|---|
| ordinary dust | Vacuum cleaner + rinse with water | The water temperature does not exceed 40℃ |
| oily stains | Neutral detergent soaking + soft brush cleaning | Avoid using strong acid and alkali cleaners |
| mold spots | Treat with diluted white vinegar or special mildew remover | Wear gloves |
4. Drying and installation
- Allow to dry naturally for at least 6 hours to ensure complete dryness
- Do not expose to the sun or use a hair dryer to dry at high temperatures
- Install correctly according to the original position and check whether it is firm
4. Recommendations for cleaning frequency of filters of different equipment
| Device type | Recommended cleaning cycle | Special instructions |
|---|---|---|
| Household air conditioner | 1-2 months | Periods need to be shortened during peak usage periods |
| air purifier | 2-3 months | HEPA filter is not washable |
| range hood | 1 month | Heavy use requires increased frequency |
| Fresh air system | 3-6 months | Requires professional operation |
5. Frequently Asked Questions
Q: Can I use laundry detergent to clean the filter?
A: Not recommended. Laundry powder is highly alkaline and may corrode the filter material, so neutral detergent should be used.
Q: What should I do if the filter is deformed?
A: For slight deformation, you can try using a hair dryer to reshape it at low temperature. For severe deformation, it is recommended to replace the filter with a new one.
Q: What should I do if there is still an odor after cleaning?
A: It may be that the mold has not been completely removed. You can soak it in diluted 84 disinfectant (1:50) for 30 minutes and then rinse thoroughly.
Cleaning your filter regularly not only improves your device's performance, but also creates a healthier indoor environment. It is recommended to establish cleaning records and develop good home appliance maintenance habits.
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