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The is probably the most widely used form of HVAC equipment in both commercial and industrial facility applications throughout the world, due to its ability to effectively and efficiently pull air out of a building thus creating the availability for fresh air to enter the building. Hospitals, schools, warehouses, manufacturing plants, foundries, bakeries, paint shops, workshops, machine shops, parking garages or commercial kitchens all use some form of a venting fan. All of these facilities typically utilize one or both of the following air movement & air exchange fans:1. The or multiple wall exhauster fans mounted up high on the wall opposite of open doorways for proper air flow.2. The roof exhaust fan or and ventilators mounted on exterior roof of building, generally utilizing a roof curb for proper seating.Whether using a wall mount fan or roof exhaust fans, they are installed for the sole purpose of removing stale, hot, moisture laden, hazardous or dirty air out of the building. When ventilation is done properly, the HVAC design of a building will also allow fresh air to be pulled into the building through wall shutters, dampers, a supply air fan or intake fans at the same rate as the air removed.Another element that most, if not all of these facilities have in common are restrooms or lavatories.
A is a very important part of the health of a building. These fans do more than just remove odors, they also help reduce moisture in bathrooms with showers, saunas or steam rooms. This moisture can lead to mold and mildew, which are both considered health risk issues today.When it comes to odors, dust or moisture within an electronics cabinet, or other types of storage containers, using a or cabinet ventilators fan in either the wall or ceiling can be a game changer for the life of the electronics, or keeping moisture from building up within the area which can cause mold and mildew problems.If it is a challenge to heat or cool your warehouse, workshop, or other building facility. Did you know that a 0.5 to 1 degree heat rise occurs with each elevated foot within your building?
If you have 20 foot ceilings, this means there can be a 10 to 20 degree difference in temperature between the floor and the ceiling. During the summer heat season, the hot air will rise to the highest point, and during the Fall or Winter months, the cool air will typically sit at the lowest point or floor level. When trying to heat your building the problem is that the heated air wants to sit at the ceiling level, leaving your employees in the cold.
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Alternately, when you are trying to cool the air using air conditioners, this cool air is typically met with the heated air in the ceiling, which negates the affect of the cooling process. This is known as thermal stratification. There is a way to combat this dilemma, and that is by using exhaust fans or ventilation fans. Thermal destratifaction can be accomplished by using a combination of exhaust fans,. By stirring the air, both at the floor and the ceiling levels, you can accomplish the heating or cooling of the building in a more effective and energy efficient way.
