Building energy models result from interdisciplinary expertise and collaboration. In order to understand this, models are best seen as narrative devices, capable of integrating various ingredients and to address both research questions and policy initiatives. Shipworth's account of models as sausage machines that can potentially mix ingredients challenges us to reevaluate the epistemological consequences of the use of models as interdisciplinary tools. Models tell stories to different audiences, and through stories, they integrate available expertise to highlight the key findings or (...) outcomes.Model building in applied fields functions both as a mode of knowledge production and as a tool to inform policy. Building .. (shrink)