Building Operation & Maintenance(O&M) is the ongoing process of sustaining the performance of building systems according to design intent, the owner’s or occupants’ changing needs, and optimum efficiency levels. The O&M process helps sustain a building’s overall profitability by addressing tenant comfort, equipment reliability, and efficient operation. Efficient operation, in the context of O&M, refers to activities such as scheduling equipment and optimizing energy and comfort-control strategies so that equipment operates only to the degree needed to fulfill its intended function.
Maintenance activities involve physically inspecting and caring for equipment. These O&M tasks, when performed systematically, increase reliability, reduce equipment degradation, and sustain energy efficiency.