700 square meters need a few fans, how much air volume, restaurant

If there are only a few hundred air volumes, there will be one. Two for about 2,000. It also depends on how big the tuyere you use. Do the math yourself. The wind speed of an tuyere should not be too low or too high. About 2-3 meters is fine.

The average wind speed of 1m s on the wind cover surface is 7200 air volume, and you have to consider the size of your air duct, and the wind speed of the air duct is calculated as 30m s. If the duct is too small, then it is recommended that you add a V-shaped interval on the suction surface of the hood to artificially reduce the suction surface and ensure the suction power of the suction surface.

The cooling capacity configuration of the restaurant is larger, and you can consider configuring the cooling capacity according to 300W square meters. >>>More

A 300-square-meter restaurant needs to install a centrifugal exhaust fan with an exhaust air volumeHello, dear. This requires knowing your restaurant's data to figure it out. >>>More

700 square meters is not very big, an ordinary wireless router will do.