A melting furnace radiates some heat even with adequate venting, increasing the indoor temperature.
Wind passing over a vertical shaft will pull lower pressure air up through the pitched roof vent.
The specially designed ducted fan delivers a powerful airstream to deliver positive airflow.
The cannons were located at opposite ends of the plant, directing airflow down the center.
Drawing from the large cargo entrance of the facility, the DB-30® pulls air onto the main floor.