The 8th edition of the Zero Energy Mass Custom Home (ZEMCH 2021) International Conference will be held in the United Arab Emirates University (UAEU), Al Ain, United Arab Emirates (UAE) from 26 – 28 October, 2021. ZEMCH encourages participation of researchers, scholars, manufacturers, policy makers, graduate students and general stakeholders tackling issues arising in the delivery of socially, economically, environmentally and humanly sustainable built environments, which accommodate people with different socio-economic backgrounds in developed and developing countries.