1. What is a one-way flow fresh air system?

The one-way flow fresh air system is simply a "forced air exhaust, natural air supply" system. It is mainly composed of a fan, an air inlet, an air outlet, and various pipes and joints.

Household one-way flow fresh air system Generally speaking, the exhaust air outlet is installed in a place where dirty air such as a kitchen or a bathroom gathers. The air inlet for the fresh air will be installed above the doors and windows of the bedroom and living room, and connected directly to the outdoors.

When the system is running, the fresh air will pump out the dirty air inside the room to the outside, so that there will be a strong air pressure difference between the indoor and outdoor, and the clean and fresh air will be forced to the indoor (outdoor air from the door or other ventilation) The mouth enters and brings fresh outdoor air into the room to achieve ventilation and ventilation.

advantage:

1. In the one-way flow fresh air system, the door seam under the bedroom, the second bedroom and the living room light door can be used as the fresh air inlet, without additional investment.

2, the operation is simple, basically does not take up extra space, and the cost is low

Disadvantages:

Only by the air pressure difference naturally generated indoors and outdoors, the effect sometimes does not achieve the desired effect.

2. What is a two-way flow fresh air system?

The two-way flow fresh air system is composed of an outdoor air inlet and outlet, an indoor air supply and exhaust duct, an indoor air supply and exhaust port, a two-way flow fan and a control device.

Different from the one-way flow fresh air system, the so-called forced air supply + forced air exhaust system.

advantage:

1. Compared with the natural forced air supply of the one-way flow fresh air system, the two-way flow fresh air system uses mechanical air supply.

2. The design of the two-way flow system has the same function as the one-way flow fresh air system, but the fresh air in the two-way flow fresh air system is sent by the fresh air main engine, which ensures the clean freshness of the indoor air.

Disadvantages:

Due to the increase of the mechanical air supply system, the system has more complicated factors to consider and the investment is relatively large.

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