The fresh air system is a mechanical ventilation device that continuously supplies treated fresh outdoor air to the indoor area and exhausts indoor polluted air. Its main function is to achieve orderly air exchange between indoors and outdoors without opening windows, improving indoor air quality, and reducing energy loss from ventilation through heat recovery / total heat recovery technology. It is the core HVAC equipment for enhancing air quality in commercial buildings, residences, and industrial sites, and is also the core carrier of ERV/HRV (energy / heat recovery ventilation).
It differs from the disorderly and easily contaminated by external factors of natural window ventilation, and also differs from the one-way exhaust of ordinary exhaust fans without air treatment. Through mechanical power and professional duct design, it realizes integrated ventilation with directional air intake, directional exhaust, air treatment, and energy recovery from the source, solving problems such as indoor stuffiness, excessive formaldehyde / CO₂ levels, mold growth, and oxygen deficiency. At the same time, it is compatible with additional functions such as humidification, dehumidification, filtration, and purification, and is suitable for different climates and usage scenarios (such as Southeast Asia with high humidity and high temperature, and Central Asia with severe cold and dryness, etc.).
The core working principle and components of the fresh air system
The basic operation of the fresh air system revolves around the four core aspects of "air intake, exhaust, air treatment, and energy recovery". The core consists of fans, ducts, air treatment modules, heat / energy recovery cores, and controllers. The core is divided into three types: single-direction flow, bidirectional flow, and total heat / energy recovery type (ERV/HRV). Among them, the total heat recovery type (ERV) is currently the mainstream for commercial and high-end residential use, and is also the core category related to your core business.
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