adjustable grille [EN 12792:2003, 196]:grille intended to vary the direction or directions of the air delivered to the treated space. It consists of one or more series of adjustable parallel ribsfixed directional grille [EN 12792:2003, 196]:grille intended to diffuse the … Continue reading →

[ASHRAE Standard 62.2]:building space intended for continual human occupancy; such space generally includes areas used for living, sleeping, dining, and cooking but does not generally include bathrooms, toilets, hallways, storage areas, closets, or utility rooms.