The document presents findings from the 'At Home/Chez Soi' project, which demonstrates the effectiveness of the Housing First model in Canada for rapidly ending homelessness and improving participants' overall well-being. Key outcomes indicate that investment in Housing First not only saves costs in public services but also leads to positive social outcomes such as improved mental health and community functioning. It emphasizes the importance of inter-sectoral collaboration and integrated knowledge translation for sustaining and expanding Housing First initiatives across Canada.