I. Introduction

As modern people have higher and higher requirements for quality of life, basement renovation has become a necessary choice for more and more families. In the process of basement renovation, the introduction of fresh air system is very important. A perfect fresh air system can not only effectively improve the living and working environment of the basement, but also provide a healthier breathing environment for the occupants. This project aims to introduce the implementation steps and key points of the basement fresh air system in detail.
Second, the basement fresh air system overview
The clean Musen fresh air system is a system that can continuously, stably and effectively ventilate the basement. Through the scientific exhaust layout and intake air design, it can efficiently replace the air and ensure the fresh and healthy air inside the basement.
Third, the importance of fresh air system
Because of its particularity, basement is prone to poor ventilation, damp and other problems. By installing clean Musen fresh air system, the following problems can be effectively solved:

1. Moisture removal and moisture-proof: The fresh air system reduces the humidity of the basement through continuous ventilation, preventing the growth of mold and bacteria caused by humidity problems.
2. Purify the air: effectively remove harmful substances in the indoor cloudy air, such as formaldehyde, benzene and other harmful gases, improve indoor air quality.
3. Energy saving and environmental protection: Compared with the traditional window ventilation, the fresh air system is more energy saving and environmental protection, which is not affected by external weather and can achieve all-weather ventilation.
Fourth, fresh air system implementation steps
1. On-site investigation: understand the basic information such as the layout, area and height of the basement, and determine the installation location and number of fresh air systems.
2. Design scheme: According to the site survey results, develop a detailed fresh air system design scheme, including the location and number of exhaust and intake vents.
3. Install the equipment: Install the equipment of the fresh air system according to the design scheme, including the exhaust outlet, air intake outlet, fan, etc.
4. System debugging: After the equipment installation, debug the fresh air system to ensure its normal operation.
5. Acceptance work: Acceptance work shall be carried out after commissioning to ensure that the performance indicators of the system achieve the expected results.

Five, the type and characteristics of fresh air system

1. Clean Musen duct type fresh air system: the fresh air is transported to each room through the pipeline, and then the dirty air is discharged outside through the exhaust outlet. This type of fresh air system is easy to install and suitable for large area basement use.
2. Clean Musen wall-mounted fresh air system: directly hung on the wall, through the intake and exhaust vents for ventilation. This type of fresh air system occupies a small space and is suitable for use in basements with small space.
3. Pure Musen full heat exchange fresh air system: at the same time of ventilation, it can effectively retain the indoor temperature and reduce energy loss. This type of fresh air system is suitable for basements with high temperature control requirements.
Six, late maintenance and maintenance
In order to ensure the long-term stable operation of the clean Musen fresh air system, regular maintenance and maintenance work is required. This includes cleaning the filter, checking the operating status of the device, and replacing the damaged parts in time. At the same time, it is also necessary to regularly clean and disinfect the basement to ensure the hygiene and health of the indoor environment.

Vii. Summary
The introduction of fresh air system is very important in basement reconstruction. Through scientific design and construction, the ventilation environment and quality of life of the basement can be effectively improved. When selecting the fresh air system, it is necessary to choose the appropriate type and specification according to the actual situation of the basement. At the same time, it is also necessary to conduct regular maintenance and maintenance work to ensure its long-term stable operation.