Air controls refer to the mechanisms or instruments that are used to regulate, monitor or manipulate the flow, direction, temperature, quality or pressure of the air in a given environment or system. There are various synonyms that can be used to describe air controls, depending on the context and purpose. These include ventilation systems, air conditioning, HVAC systems, air circulation, ventilation fans, air purifiers, dehumidifiers, air handlers, air dampers, air diffusers, and air filters. Each of these terms has different connotations, features, and functions that make them suitable for specific applications such as residential, commercial, industrial, or medical settings. Regardless of the synonym used, air controls are essential for maintaining a safe, healthy, and comfortable indoor environment.