Building services engineering (BSE), service engineering or facilities and services planning engineering is a professional engineering discipline that strives to achieve a safe and comfortable indoor environment while minimizing the environmental impact of a building.
Building services engineering can be considered a subdiscipline of utility engineering, supply engineering and architectural engineering (building engineering), which are all subsets of civil engineering.
Building services engineering encompasses the professional disciplines mechanical, electrical and plumbing (MEP) and technical building services, specifically the fields of
Building services engineering is related to facilities engineering which focuses on the technical facilities of commercial and industrial buildings.