How to install a fresh air system after renovation
As people pay more attention to indoor air quality, fresh air systems have become a popular choice for modern home decoration. But for houses that have been renovated, how to install a fresh air system has become a confusion for many owners. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed analysis of the plans, precautions and common problems of installing a fresh air system after decoration.
1. The feasibility of installing a fresh air system after renovation

It is completely feasible to install a fresh air system after renovation, but you need to choose an appropriate installation method based on the structure of the house and actual needs. The following are three common solutions:
| Installation method | Applicable scenarios | Advantages and Disadvantages |
|---|---|---|
| Wall-mounted fresh air | Small apartment, partial space | Easy to install and low cost; but limited coverage |
| Cabinet fresh air | Medium and large units, whole house purification | Good purification effect; requires a certain amount of space |
| Ducted fresh air | Any type of apartment | Concealed and beautiful; complex installation, requiring destruction of part of the decoration |
2. Steps to install fresh air system after decoration
1.Assess needs: Determine the demand for fresh air volume based on the house area and the number of permanent residents.
2.Select model: Choose the appropriate type of fresh air system based on your budget and house structure.
3.Determine the installation location: The host is usually installed on the balcony, kitchen or bathroom; the air inlet and outlet must be reasonably arranged.
4.Pipe layout: For ducted systems, try to run the pipes along hidden locations such as corners and ceilings.
5.Installation and debugging: Professionals carry out installation and system debugging to ensure normal operation.
3. Popular fresh air system brands and price references
| Brand | Model | Applicable area | reference price |
|---|---|---|---|
| Panasonic | FY-25ZDP1C | 80-120㎡ | 8,000-12,000 yuan |
| Xiaomi | Mijia fresh air blower | 30-50㎡ | 2000-3000 yuan |
| far and wide | SC250 | 100-150㎡ | 15,000-20,000 yuan |
4. Things to note when installing a fresh air system after renovation
1.Pipe layout: Try to choose locations such as under beams and corners that do not affect the appearance to run pipes. If necessary, partial ceiling shielding can be used.
2.Noise control: The main unit should be installed away from the bedroom, and the pipes can be equipped with sound-absorbing cotton.
3.Easy maintenance: Reserve an access port to ensure the convenience of filter replacement and pipeline cleaning.
4.Power configuration: Plan the location of the power supply in advance to avoid bright lines that affect the appearance.
5.Heat exchange options: In northern regions, it is recommended to choose a fresh air system with heat exchange function to reduce temperature loss.
5. Frequently Asked Questions
Q: Will installing a fresh air system after decoration destroy the original decoration?
A: Wall-mounted and cabinet-type ones will basically not damage the decoration; pipe-type ones require local damage, but the impact can be minimized through clever design.
Q: How often does the filter of the fresh air system need to be replaced?
A: It is recommended to clean the primary filter once every 1-3 months and replace the high-efficiency filter every 6-12 months, depending on the use environment and air quality.
Q: Can the fresh air system completely replace the air purifier?
A: The fresh air system mainly solves the problem of air replacement, and the purifier focuses on particle purification. The functions of the two are complementary and it is recommended to use them together.
6. Conclusion
Although installing a fresh air system after renovation is more challenging than installing it before renovation, good air purification effects can still be achieved through reasonable planning and professional construction. It is recommended that owners choose the most suitable fresh air system solution based on their own needs and house conditions, so that their families can enjoy healthy and clean indoor air.
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