Downloadable and recorded software, namely, downloadable and recorded software for measuring, detecting, monitoring and controlling HVAC devices in buildings in the nature of measuring devices, electronic controllers and regulators, temperature and humidity sensors, detectors and monitoring instruments; digital downloadable and recorded electronic databases, digital downloadable and recorded electronic data files, and digital downloadable and recorded electronic directories, all in the field of HVAC system control and performance; downloadable and recorded cloud server software for measuring, detecting, monitoring and controlling HVAC devices in buildings; downloadable and recorded application software for measuring, detecting, monitoring and controlling HVAC devices in buildings for use with cloud computing services; Ambient heating, ventilating, and air conditioning and purification equipment, namely, heating installations, ventilation installations in the nature of electric fans, air conditioning installations, air filtering installations and air purifying installations, all for use in conditioning air within buildings; air reheaters; air cooling apparatus; convection heaters; filters for air conditioning; HVAC design services for designing HVAC systems for use in buildings; HVAC testing, authentication and quality control services for HVAC systems for use in buildings; software development, programming and implementation in the nature of developing, programming and implementing software for operating HVAC systems for use in buildings; software as a service (SAAS) services featuring software for designing, testing, authenticating, developing, programming, and implementing software for operating HVAC systems for use in in buildings