Direct gas fired equipment is the most efficient way to heat a space that requires large amounts of outside air. Kitchens, factories, warehouses all have requirements for vast amounts of outside air in order to maintain proper building pressure. Proper building pressure is necessary to minimize infiltration of cold and/or dirty outside air, and to make sure that exhaust hoods and exhaust systems function properly. There are a few key jobsite characteristics that must be defined if the system is to function as intended. Applied Air is hosting a webinar on Monday, August 2, covering the three key pieces of information to gather.