In-loco real-time dynamic energy modelling of dwellings

Abstract

Energy modeling of existing housing is time-consuming and requires detailed information about the building. This paper presents a protocol for collecting on-site data from existing homes, allowing direct automated modeling in dynamic energy simulation tools. The protocol was implemented in an Android application, supported by a Node JS back-end and an Angular front-end for data management by different stakeholders. Automated simulations were performed with the ESP-r program using a simulator developed in Matlab. A case study of 10 thermal performance assessments according to NBR 15575-1 is described. Sub-hourly simulations of the real and reference building were performed with and without the use of natural ventilation, control of shading devices, and window opening. The results indicate that, for a 2-bedroom apartment, detailed and reliable compliance reports with third-party audited simulations are available within 48 minutes from accessing the property.