LEED AP Operations and Maintenance (O+M) Practice Test
Build your confidence for LEED AP Operations and Maintenance (O+M). Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.
Try a sample questionExam overview and details
The LEED AP Operations and Maintenance (LEED AP O+M) credential is the premier certification for professionals who manage, optimize, and maintain the performance of existing buildings. Administered by the U.S. Green Building Council (USGBC), this advanced credential validates deep expertise in applying the LEED O+M rating system to enhance building efficiency, occupant health, and resource conservation over a building's lifecycle. It demonstrates a professional's ability to implement sustainable operational practices, conduct performance tracking, and lead continuous improvement initiatives for existing facilities. Earning this certification signifies a commitment to operational excellence and positions holders as leaders in the growing field of high-performance building management, a critical component in achieving global carbon reduction and sustainability goals. The credential is highly valued by building owners, property managers, and sustainability consultants seeking to maximize asset value, reduce operational costs, and ensure regulatory compliance.
Sample Questions
Choose an answer and explore the explanation to see how practice works.
A 155,000 sf municipal library in climate zone 2A with a public plaza, drought-tolerant landscaping, and monthly utility bills is pursuing LEED v4.1 O+M Existing Buildings during a recertification performance period. Overnight water use is flat at 18 gallons per minute when the building is closed. Which action best supports LEED v4.1 O+M performance?
A 610,000 sf university laboratory and classroom complex in climate zone 4A with mixed lab exhaust, a central plant, and 2,100 daily users is pursuing LEED v4.1 O+M Existing Buildings during a 12-month performance period. The owner compares this winter's gas use with last winter's unusually warm weather and claims large savings. What should be adjusted?
A 205,000 sf courthouse in climate zone 7 with security screening, older CFC chillers, and a union custodial workforce is pursuing LEED v4.1 O+M Existing Buildings during a recertification performance period. The commuter survey closed after three days and overrepresents bike commuters from one tenant. What is the best next step before calculating the transportation score?
A 980,000 sf airport administration building in climate zone 6B with 24-hour operations, large parking areas, and seasonal snow management is pursuing LEED v4.1 O+M Existing Buildings during the current reporting performance period. A recommissioning agent finds outdoor air dampers stuck at 100 percent open in winter. What is the balanced LEED response?
A 420,000 sf Class A office tower in climate zone 5A with 87 percent weekday occupancy, district steam, electric chillers, and three retail tenants is pursuing LEED v4.1 O+M Existing Buildings during the current reporting performance period. The BAS shows air handlers starting at 4 a.m. for an 8 a.m. occupancy, even on weekends. What is the best first correction?
Exam insights and study advice
In today's competitive real estate and facilities management market, the LEED AP O+M credential is a powerful differentiator that signals advanced competency and leadership. It directly impacts career advancement by qualifying professionals for senior roles in sustainability management, facility operations, and green consulting. Industry recognition from this certification opens doors to high-value projects, enhances credibility with clients and employers, and is often a preferred or required qualification for leadership positions focused on ESG (Environmental, Social, and Governance) reporting, energy management, and portfolio-wide sustainability strategy. It establishes you as a subject-matter expert in the critical field of existing building performance, a sector representing the vast majority of the built environment and the greatest opportunity for impactful, scalable sustainability improvements.
What this exam covers
01Energy and Atmosphere
This domain covers energy and atmosphere, including energy audits, refrigerant management, energy metering, and the calculation of greenhouse gas emissions scores to ensure high energy performance standards are consistently met throughout the building operational lifecycle.
02Indoor Environmental Quality
This domain focuses on indoor environmental quality, including minimum indoor air quality standards, environmental tobacco smoke control, and the implementation of green cleaning policies to protect the health of building occupants and improve overall interior conditions.
03LEED Process
This domain covers the general LEED certification process, project administration, and the specific requirements necessary for building operations and maintenance to ensure compliance with established green building standards and protocols for all project types.
04Location and Transportation
This section focuses on location and transportation strategies, reducing pollution resulting from daily commute patterns, and the proper methods for conducting transportation surveys to improve overall site accessibility and sustainability for the building and its occupants.
05Materials and Resources
This section addresses materials and resources, including purchasing policies, facility maintenance policies, and waste performance tracking to ensure that all building materials are managed sustainably throughout the entire operational lifecycle of the facility and its systems.
06Sustainable Sites
This domain addresses sustainable sites, including rainwater management, heat island reduction, light pollution reduction, and effective site management practices to maintain ecological balance and environmental health around the building facility and the surrounding local landscape.
07Water Efficiency
This area focuses on water efficiency, the use of permanently installed water meters, monthly water consumption tracking, and the technical methods for calculating water performance scores to optimize building resource usage and reduce overall waste.