the differences between exhaust fans and ventilation fans

First, the appearance of the exhaust fan are generally of iron-based material is.Ventilation fans appearance and exhaust fan is not the same, are typically made of plastic.Although the material above is split into iron and plastic, lots of people may feel, then it is surely the iron material is more epensive.In fact, the level of value isn't judged according to the material.
Industrial exhaust fan is obviously not suitable for home, the price is generally higher.Depending on the power, the usage of the different levels of the first row of the valuation of the fan is natural the other.Many small exhaust fan is very suitable for household use, discharge the kitchen dirty gas can play a role, and the price is not expensive, it forty or fifty dollars appears. Relatively large exhaust fan or wall in row-based, direct installation on the wall.Home general or installed in a window above, or the type of ceiling mounted on the top of the wall above.
Today's industrial exhaust fan is perfect, and some of the relatively large power types can choose blades turn, to some degree, fully play the role of the ventilation fans turn to play the role of the exhaust aspirated.

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