Many people renovate their buildings to create a new appearance for them. Builders often renovate existing buildings because it is a stable source of asset. Technology has had a meaningful impact on the renovation process, increasing the significance and strength of the planning stage. The processes and services required for renovations are quite specific. Renovations usually require all of the sub-trades that are needed for the construction of a new building. During renovation projects, flexibility is often required from designers to respond to unexpected issues that arise. SEPID addresses design and construction activities for both new buildings and major renovations of existing buildings. This includes major HVAC improvements, significant building envelope modifications and major interior rehabilitation.