Angela Lewis P.E., LEED

Lewis is a high-performance buildings engineer with the Building Intelligence Group. Her previous experience includes working as a mechanical systems design engineer and as a facility management consultant. Lewis is an active member of ASHRAE Technical Committees TC7.3 Operations and Maintenance Management and TC 7.1 Integrated Building Design, and Guideline GPC 32: Sustainable, High Performance Operations and Maintenance, as well as the IFMA Sustainability Committee. Lewis is also a PhD Candidate in at the University of Reading researching facility management and energy and maintenance management practices for HVAC and control systems. She can be reached at or 703-505-7350. To learn more about her research, visit:


Designing For Energy-Efficient Operations and Maintenance

By Angela Lewis P.E., LEED
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One eye-opening finding from the author’s survey of 168 professionals: only 40% of their facilities even monitor building performance. How much money does that waste? Read on for the flaws and opportunities found in these buildings’ O&M and in how expertise is deployed from design through occupancy.
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