This article aims to assess the benefits of floor slab insulation measures using extruded polystyrene (XPS) and polyisocyanurate (also referred to as polyiso or PIR) insulation materials at various levels of insulation thicknesses for a detached residential building. An EnergyPlus simulation analysis was carried out within the seven energy zones (represented by eight locations) of Sou... https://www.roneverhart.com/Hot-Topic-Pop-Vinyl-Figure-Hot-Topic-Guy-25th-Anniversary/