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A&S ENGINEERS INC. is a Woman-Owned full-service Mechanical, Electrical, Plumbing Engineering and Commissioning Consulting Firm. Established in 2000, we are a California Certified Small Business Enterprise and Local Business Enterprise in San Francisco.  


We work with Architects, Developers, General Contractors, Property Management Companies and Owners to design public and private projects for commercial, educational, federal, green design, healthcare, housing and transit facilities throughout California.


Our staff includes registered Engineers, Certified Commissioning Authorities (CxA) and LEED Accredited Professionals. Our team brings together expertise to provide clients with integrated Mechanical, Electrical, and Plumbing Services for the built environment. 


We are a multidisciplinary firm, known for visionary sustainable design and breakthrough engineering solutions.  We believe that all good design comes from an integrated approach starting at the inception of design. Our LEED accredited staff at A&S Engineers takes a lead role to organize and lead sustainable work sessions involving all stakeholders to develop and prioritize the project’s sustainability goals and strategies. 


We recognize the benefits of alternative project delivery methods and we are experienced and strong supporters of Design-Assist and Design-Build projects which provides a solid value to our clients. We recognize that it takes many engineering specialties to design an entire facility and that fully integrated and tightly coordinated engineering, on the drawings and in the field, are essential for true project success. 


A&S Engineers strives to develop the most innovative, timely, cost-effective and reliable engineering solutions for our clients. Our philosophy is to serve our clients, through the entire design and construction process, delivering creative engineering vision for each of our projects by transforming concepts into commissioned, high performance buildings. 



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