42 Providing online non-downloadable software and temporary use of cloud based non-downloadable software and online web portals featuring online non-downloadable software for data collection, transmission, optimization and analysis in building applications, in particular, pertaining to operational cost reduction, equipment diagnosis, artificial intelligence machine learning, availability and productivity of HVAC and refrigeration equipment, 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 problems with equipment, HVAC and refrigeration equipment, pumps, boilers, and interactions with Internet of Things (IoT) devices, and troubleshooting artificial intelligence machine learning software problems, monitoring services of HVAC and refrigeration equipment, pumps, boilers, artificial intelligence machine learning software, and of 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