9 Downloadable software for measuring, controlling, optimizing, and managing air quality systems; smart devices comprised of hardware and recorded software for the measurement, control, optimization, and management of air quality systems, sold together as a unit; downloadable and recorded computer software for the improvement, measurement, control, optimization, and management of air quality systems and related devices; measuring, detecting and monitoring instruments, indicators and controllers for air quality, namely, air analysis apparatus; downloadable software platform for the monitoring, collection and transmission of diagnostic data collected from local HVAC and air purification system equipment, downloadable from online-cloud-based sources; downloadable computer application software for measuring and monitoring air quality, energy efficiency and air quality certification; air quality equipment system comprised of an electronic air quality management controller and sensors configured to interface with pre-existing HVAC hardware and electrical components, all for automatically controlling and managing air quality within an area