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About Us

UMEC (CA) provides a full range of responsive mechanical and HVAC services, including plumbing, mechanical construction engineering, design/build services, and green building solutions designed to meet our clients' rigid specifications. Learn more.

BIM Capabilities

Building Information Modeling (BIM) is today's fastest and most cost-effective project management strategy. Learn about our expertise in this area.

EMCOR, and its subsidiaries, are committed to providing equal employment opportunities.


Our California State License Number is 460213.

Meet the Team

IMG_2583LI.jpgJohn Modjeski, President and CEO of UMEC (CA), leads his team by setting the highest standard for providing commercial mechanical, HVAC and BIM services aimed at practical results and full customer satisfaction.