Building automation and control systems (BACS). Data communication conformance testing|Cooling equipment, Buildings, Data transmission methods, Ventilation, Computerized control, Data representation, Data processing, Ventilation equipment, Coded representation, Information exchange, Communication procedures, Information transfer, Thermal environment systems, Building services, Approval testing, Control systems, Air-conditioning systems, Communication networks, Space-heating systems, Communication equipment, Automatic control systems, Data transmission, Heat engineering