42 Providing online non-downloadable and cloud based non-downloadable software and online web portals for data collection, transmission, optimization and analysis in building applications, in particular, operational cost reduction, equipment diagnosis, artificial intelligence machine learning, availability and productivity, HVAC, Refrigeration, Pumps, Boilers, Lighting and energy efficiency, security, occupant safety and comfort, and interaction with Internet of Things (IoT) devices; technical support services, namely, troubleshooting in the nature of diagnosing equipment, HVAC, refrigeration, pumps, boilers, and interactions with Internet of Things (IoT) devices, and troubleshooting artificial intelligence machine learning software, monitoring services of HVAC, refrigeration, pumps, boilers, artificial intelligence machine learning software, interactions with Internet of Things (IoT) devices to ensure proper functioning, and engineering consulting services and consulting services in the field of energy measurement to improve lighting and energy efficiency, to prioritize and address issues identified by aforementioned applications