42 remote diagnostic monitoring services for performance and efficiency of heating, ventilation, and air conditioning (HVAC), security, and plumbing systems; design and development of proprietary artificial intelligence (AI) and machine learning (ML) models based on facility building, HVAC, security, and plumbing system data that predict and prevent system failures and reduce response, repair and maintenance time and costs; data collection services using software to evaluate and analyze data gathered and stored in facility building automation systems; providing information in the field of remote monitoring of facility building, HVAC, security, and plumbing systems; calibration services for facility building, HVAC, security, and plumbing systems based on the acquisition, aggregation, analysis, and use of data gathered and stored in facility building monitoring and automation systems; testing of facility building, HVAC, security, and plumbing systems to assure compliance with construction industry standards