ASA Engineers is a DC-based MEP engineering firm specializing in Net Zero and high-performance building design.

Our leadership has been directly involved in the design and delivery of more than 15 Net Zero and ultra-low energy projects across the U.S., bringing deep, real-world experience in energy modeling, system optimization, and integrated design. This experience informs every project we take on—whether new construction, major renovations, or system replacements.

We provide mechanical, electrical, and plumbing engineering services with a focus on practical, buildable solutions that align with budgets while achieving aggressive energy and sustainability goals. Our work emphasizes electrification, high-efficiency HVAC systems, and performance-driven design that meets or exceeds evolving energy codes and standards, including local Net Zero requirements.

ASA Engineers has experience supporting public-sector clients such as DC DGS, DCPS, and DMPED, and understands how to navigate procurement, phasing, and construction constraints—particularly in occupied and mission-critical facilities.

We operate as a lean, senior-led engineering firm, ensuring direct principal involvement, strong QA/QC, and a level of technical rigor typically not found in larger, less focused teams.

ASA Engineers

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