MEP Healthcare Engineering, Planning & Design Consultants

Rendering of the exterior design of the new Helen Diller Hospital on the UCSF health campus in San Francisco, CA.

Bending the Climate Curve™

Because environmental and human health are intricately connected.

Resilient Renewable Healthcare

Hospital microgrid demonstrates reliable low-carbon emergency power.

Equipping Advanced Care

Medical equipment planning for a world-class academic health campus

Featured Projects

UCSF Benioff Children‘s Hospital Oakland

Oakland, CA

VA El Paso Medical Center

El Paso, TX

City of Hope Campus Energy Center

Duarte, CA

Oregon Health & Science University Decarbonization Plan

Portland, Oregon

John Muir Health Walnut Creek Behring Pavilion

Walnut Creek, CA

Kaiser Ontario Microgrid

Ontario, CA

Northeast Georgia Medical Center Braselton New Hospital and Central Plant

Braselton, GA

UC Health Scope 1 Decarbonization

Multiple Locations, CA

Micron Semiconductor Facility

Sanand, Ahmedabad, India

SEA International Airport – North Satellite Modernization

SeaTac, WA

Our Impact

As an employee-owned Benefit Corporation, we measure success not only by business performance, but by the positive impact we create for our employees, our clients, our communities, and OUR environment.

28%

Designing 28.4% better than energy code

90%

Net Promoter Score (Recommending Mazzetti as a best place to work)

8,671MT

C02 emissions avoided on projects (in last 12 mos)

Advancing What’s Next

Through applied research, real-world pilot projects, and policy leadership, Mazzetti helps shape the future of healthcare, energy, and the built environment. Explore the ideas, innovations, and insights driving meaningful change.

Explore Research & Innovation

Mazzetti CEO Walt Vernon Named Leader of the Year at 2026 Green Power Leadership Awards

Mazzetti CEO Walt Vernon was named Leader of the Year at the 2026 Green Power Leadership Awards, presented by the Center for Resource Solutions at the REM 2026 conference in Washington, D.C. The sole individual honoree among nine recipients, Vernon was recognized for his three decades of leadership at Mazzetti and his work decarbonizing healthcare facilities through renewable energy, microgrids, and electrified infrastructure.

Mazzetti CEO Walt Vernon Named Leader of the Year at 2026 Green Power Leadership Awards