World’s leading experts in sustainable and energy efficient buildings gathered in Munich on 24-26 April to take part in the SB13 conference. Boost Brothers CEO, Juho-Kusti Kajander, was invited to give a presentation on cost optimal net zero energy building (NZEB) concepts for Nordic urban areas. The speech addressed energy efficiency and value creation for building users and owners, charactized a NZEB concept for residential markets in Nordic countries and outlined potential emerging technical solutions for NZEB.