Upblast Vs Downblast Exhaust Fan

When purchasing a new exhaust fan one of the most basic decisions you ll make is whether to buy a downblast exhaust fan or an upblast exhaust fan knowing the differences between the way these two fans work and what applications they are best suited for will help you determine which fan is right for your needs and help you avoid potential problems that can be caused by purchasing and.

Upblast vs downblast exhaust fan.

Wall mount requires an upblast fan. If you are looking for a downblast exhaust fan for your restaurant or commercial building it is important to select the one that is right for your facility. Upblast vs downblast exhaust fan. Air with a lot of grease dirt toxins or chemicals should be moved up and away from the roof with an upblast fan rather than downward.

1 4 hp 1phase 115v. Cannot be wall mounted. Downblast roof ventilators are designed for situations requiring a steady exhaust or supply of air under low to high static pressures. Centrifugal downblast exhaust fan.

By saum hadi posted on october 19 2018. Downblast discharges down toward the roof deck. These ventilators are used to exhaust generally clean air. Office buildings restaurants schools manufacturing facility and warehouse.

Upblast discharges straight up. Greenheck is the leading supplier of air movement control and conditioning equipment including fans. Direct drive downblast exhaust fan 1100 cfm 1725 rpm 1ph w 6 amp var. Upblast fans move the air upward away from the roof.

Belt drive downblast exhaust fans however may be the best choice for cfms higher than 2 000 or for high temperature applications. These are common in commercial kitchens and labs and come in two different types.