California Environmental Systems

California Environmental Systems operates from Auburn and holds credentials serving the Sierra Nevada foothills and broader Placer County. Founded in 2011, the company maintains a 4.4-star rating across 14 verified reviews, pairing field technicians with office coordinators to manage projects from design through completion. Their portfolio spans healthcare facilities, commercial complexes, data centers, and industrial operations across the western United States.

With over 15,000 completed projects and 12 industry awards earned since founding, CES brings proven capability to complex design-build installations. The company handles plumbing, heating, and air conditioning as an integrated mechanical contractor, allowing single-source accountability for multi-trade building projects. Emergency service is available through a dedicated line for urgent calls outside standard business hours.

Reviewers highlight specific team members who deliver responsive service. Fresh Press Screen Printing notes exceptional professionalism from Jenny and Beth, while Carl Ross credits Jeanette for positive outcomes on business dealings. Aleksandr Oreshkin describes the operation as a family-owned company that is a pleasure to work with. Kenneth Russo specifically mentions the background and skill sets supporting field personnel to complete every project.