ESI Logo

Santa Clara:
(408) 980-1711
(916) 344-1711
CCL No. 422478

About Environmental Systems, Inc. (ESI)

Santa Clara Corporate Office

Environmental Systems Inc., Santa Clara, has evolved as a leader in cutting edge technology, while keeping pace with the ever changing mechanical contracting services needs and energy management mandates.  Even in this evolving industry, we are still mindful of the basic goals of customer service and satisfaction.This formula has enabled our company to grow steadily since it was founded in 1975. ESI handles projects, large and small, with equal care and commitment to excellence.  ESI has been a consistent force in the plan and spec market, as well as proving our capabilities in design/build-negotiated projects.

Heading the firm is President and CEO Chris Enfantino. Responsible for all operations of ESI, Chris Enfantino integrates corporate management with construction management. Co-owner and CFO Gene Enfantino, compliments the relationship, overseeing all of the corporation's finances.Together they have assembled a team of experienced professionals, both in the office and in the field.

ESI holds C4, C20, C34, C36, C38 and B licenses.  ESI is fully licensed to operate as ‘prime contractor’ to expedite projects to completion. The prime contractor designation ensures our clients a smooth project time table from start to finish.

Sacramento Controls Division Office

Environmental Systems, Inc., Sacramento, provides Energy Management Systems (EMS) design, installation, programming expertise, and graphics design skills, to a number of Northern and Central California clients.  Headed by ESI's Controls Division Vice President, T.J. Kay, the Sacramento's team has an average 35 years in the field of energy management. ESI is a leading BACNET/LON and control service provider. 

Environmental Systems Inc. is a factory authorized dealer and contractor of Delta Controls and Honeywell. We have full capabilities for installation, service support, and even end user training on these products and systems.  If you have any questions on these products, or if we can be of assistance to you, please do not hesitate to contact us.