Johnson Controls has announced an update to Metasys, the company’s industry-leading Building Automation System (BAS) that provides the foundation for fully optimized building management. Metasys’ intuitive design integrates HVAC and non-HVAC systems into one platform for maximum operator efficiency. Johnson Controls has announced an update to Metasys, the company’s industry-leading Building Automation System (BAS) that provides the foundation for fully optimized building management. Metasys’ intuitive design integrates HVAC and non-HVAC systems into one platform for maximum operator efficiency.