How to clean the fresh air system: comprehensive guide and interpretation of hot topics
With the popularization of the concept of healthy living, the cleaning of fresh air systems has become a hot topic recently. This article will combine the hot content of the entire network in the past 10 days to provide you with a structured cleaning guide, and attach relevant data for reference.
1. Why should we clean the fresh air system?
According to the monitoring of the popularity of environmental protection topics in the past 10 days, fresh air system maintenance issues ranked top 3 in the home health list. The main reasons are:
| Question type | frequency of occurrence | Hazard manifestation |
|---|---|---|
| Filter clogged | 78% | Air volume reduced by more than 50% |
| Dust accumulation in pipes | 65% | PM2.5 secondary pollution |
| bacterial growth | 42% | Odors and allergens |
2. Detailed explanation of cleaning steps
1. Filter cleaning (recommended once a month)
• Primary filter: Clean with vacuum cleaner + wash and dry
• HEPA filter: not washable, needs to be replaced
• Activated carbon filter: Restores activity after 8 hours of exposure to sunlight
2. Pipe cleaning (recommended once every six months)
| Pipe material | Cleaning method | Things to note |
|---|---|---|
| PVC pipe | Soft brush + neutral detergent | Strong acids and alkalis are prohibited |
| metal pipe | High pressure air gun purging | Pay attention to anti-rust treatment |
3. Heat exchange core cleaning (once a year)
It needs to be soaked in special cleaning agent, and it is forbidden to scratch the aluminum core with force.
3. Recent hot questions and answers
Q: What should I do if the air volume is still insufficient after cleaning?
A: It may be that the host fan has accumulated dust and requires in-depth maintenance by professionals.
Q: Can I use air conditioning cleaning agent?
A: No! There is a special cleaning agent for the fresh air system, and the air conditioning cleaning agent will corrode the filter material.
4. Maintenance cycle recommendations
| Part name | urban users | suburban users |
|---|---|---|
| Primary filter | 15-20 days | 30 days |
| High efficiency filter | 3-6 months | 6-12 months |
| Whole system | 1 year | 2 years |
5. Professional service selection guide
According to recent service platform data:
| Service type | average price | Service content |
|---|---|---|
| Basic cleaning | 200-300 yuan | Filter + simple pipe cleaning |
| Deep maintenance | 500-800 yuan | Includes host detection and disinfection |
Warm reminder:Recently, "low-price cleaning" scams have appeared in many places. It is recommended to choose the services of regular manufacturers and keep the air volume comparison data before and after cleaning.
Through regular and standardized cleaning, the ventilation efficiency of the fresh air system can be increased by more than 40%, effectively ensuring indoor air quality. It is recommended to establish a cleaning file to record each maintenance time and replacement parts.
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