An air moving system comprising: a ceiling structure comprising a first ceiling level forming a base portion of the ceiling, the first ceiling level having a plurality of grid cells, each grid cell bordered by a grid cell periphery structure, the ceiling structure further comprising a second ceiling level separated from the first ceiling level by a first height; an air moving device positioned at least partially within one of the grid cells in the first ceiling level, the air moving device comprising: a housing member forming an interior space within the air moving device, the housing member having a top surface, the housing member being positioned within the ceiling structure such that the top surface is located between the first and second ceiling levels; a ceiling support structure forming an outer peripheral edge of the air moving device, at least part of the ceiling support structure supported by the grid cell periphery structure; the housing member comprising a plurality of air vents for directing a volume of air into the interior space of the air moving device; and a rotary fan assembly mounted in the interior space, the rotary fan assembly comprising an impeller and a plurality of blades, the rotary fan assembly configured to direct the volume of air within the interior space; characterized in that the air moving device comprises a nozzle communicating with and extending downwardly from the rotary fan assembly, the nozzle comprising a structure for further directing the volume of air out of the air moving device in a columnar manner. a ceiling structure comprising a first ceiling level forming a base portion of the ceiling, the first ceiling level having a plurality of grid cells, each grid cell bordered by a grid cell periphery structure, the ceiling structure further comprising a second ceiling level separated from the first ceiling level by a first height; an air moving device positioned at least partially within one of the grid cells in the first ceiling level, the air moving device comprising: a housing member forming an interior space within the air moving device, the housing member having a top surface, the housing member being positioned within the ceiling structure such that the top surface is located between the first and second ceiling levels; a ceiling support structure forming an outer peripheral edge of the air moving device, at least part of the ceiling support structure supported by the grid cell periphery structure; the housing member comprising a plurality of air vents for directing a volume of air into the interior space of the air moving device; and a rotary fan assembly mounted in the interior space, the rotary fan assembly comprising an impeller and a plurality of blades, the rotary fan assembly configured to direct the volume of air within the interior space; a housing member forming an interior space within the air moving device, the housing member having a top surface, the housing member being positioned within the ceiling structure such that the top surface is located between the first and second ceiling levels; a ceiling support structure forming an outer peripheral edge of the air moving device, at least part of the ceiling support structure supported by the grid cell periphery structure; the housing member comprising a plurality of air vents for directing a volume of air into the interior space of the air moving device; and a rotary fan assembly mounted in the interior space, the rotary fan assembly comprising an impeller and a plurality of blades, the rotary fan assembly configured to direct the volume of air within the interior space;