IoT solution for monitoring indoor climate parameters in open space offices Ioana Udrea, Viorel Ionut Gheorghe, Laurentiu Adrian Cartal, Despina Duminica, Silviu Petrache, Tudor Catalin Apostolescu and Valeru Friedemann Kraus E3S Web Conf., 180 (2020) 02012 Published online: 24 July 2020 DOI: 10.1051/e3sconf/202018002012