Electrifying Residential Heating Systems toward Carbon-neutral Buildings: A Retrofitted Building Stock in Northern ItalyWeixian Mu, Riccardo Cardelli, Guido Davoglio, Antonino Mannino and Simone FerrariE3S Web Conf., 710 (2026) 05004DOI: https://doi.org/10.1051/e3sconf/202671005004