The fresh air system is a mechanically controllable ventilation device that replaces natural window ventilation. Its core features revolve around the orderliness of air replacement, the controllability of air quality, and energy conservation. It also has the advantages of strong adaptability and expandable functions. Unlike natural ventilation which is disorderly and ordinary exhaust fans which only exhaust air in one direction, it is the core reason why it can be combined with ERV/HRV, humidifiers, etc. to form an integrated air solution. Its core features can be divided into basic core features and upgraded functional features, and also include differentiated advantages compared to natural ventilation. It is suitable for all scenarios such as residential buildings, commercial buildings, and industrial sites. The following is a detailed overview:
1. Core ventilation features: Orderly replacement, eliminating the drawbacks of natural ventilation
This is the most fundamental and core feature of the fresh air system, fundamentally solving various problems of window ventilation and being a necessary attribute for industrial and commercial scenarios.
Directional intake + directional exhaust, orderly and controllable air replacement
Through independent intake, exhaust ducts, and fans, outdoor fresh air is sent into the main activity areas such as living rooms and bedrooms, while indoor polluted air is directed out from contaminated areas such as kitchens, bathrooms, and basements, avoiding "chaotic air flow" in the indoor space and preventing odors and smoke from spreading indoors. The ventilation efficiency is much higher than natural convection of opening windows and single-directional exhaust of ordinary exhaust fans.
Continuous ventilation 24 hours a day, no need to open windows and environmental restrictions
It can operate throughout the year and all day long， achieving continuous ventilation without opening windows， which not only isolates outdoor noise， dust， pollen， industrial dust， but also avoids problems such as water leakage when opening windows in rainy weather， falling objects when opening windows on high-rise buildings， and safety issues when opening windows at night. It is suitable for scenarios with poor window conditions such as ports， industrial areas， areas with frequent sandstorms， and densely populated cities.
Maintaining indoor micro-pressure balance， preventing external pollution from infiltrating
By adjusting the air volume of the variable-frequency fan， indoor micro-positive or micro-negative pressure can be set flexibly： micro-positive pressure can prevent unfiltered polluted air， mosquitoes， and moisture from entering through window gaps， suitable for residences and office buildings； micro-negative pressure can prevent the spread of bacteria， harmful gases， and production dust indoors to the outside， suitable for hospital wards， laboratories， and industrial processing workshops.
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