Thermal response of energy foundations installed in unsaturated residual soils Michael B. Reiter, Thaise da S. O. Morais, Cristina de H.C. Tsuha and Tugce Baser E3S Web Conf., 205 (2020) 05021 Published online: 18 November 2020 DOI: 10.1051/e3sconf/202020505021