the exhaust hood in the bathroom removes excess water from the air. This prevents mold, unpleasant odors and all kinds of fungi.

To calculate the rate of air exchange in residential premises, special tables are used. If the room is idle, then the indicators are reduced by 0.2-1 hours.

Local ventilation is a system in which air is supplied to a specific area or polluted air is drawn out from the place of formation of harmful emissions.

A hood in the garage is easy to do with your own hands if you choose the right size for the future ventilation system. The volume of air entering the garage should be 180 liters per hour.

Polycarbonate greenhouse ventilation is easy to do. You just need to decide what is best for your greenhouse: window, fans, hydraulics.

Symbols of ventilation systems are regulated by GOST 21.206-93 and GOST 21.205-93. There are also designations developed individually by manufacturers.

The supply and exhaust ventilation of the hookah room is the use of a grid system. The point is to precisely mark, and then install the intake grilles.

Forced exhaust to the toilet with a fan allows you to remove excess moisture and unpleasant odors from the room. This is important, because for this reason fungus and mold are formed.

Smoke ventilation systems are needed to remove combustion products during a fire. It is necessary to equip industrial and civil facilities with such systems.

Woodworking suction systems suck in wood dust and sawdust and move them into silos. Aspiration units can be direct-flow or recirculation.

Emergency ventilation - the combined design of devices and elements representing a general forced exhaust system for the period of emergency situations.