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San Diego's Commercial Mechanical Contractor

Industrial-Grade Ventilation Engineering, Direct Dispatch

Janus Ventilation & Mechanical Inc. provides precise airflow engineering and dependable system maintenance for high-demand commercial environments across Southern California.

Our Expertise

Core Commercial Mechanical Services

We specialize in complex ventilation systems, custom ductwork, and robust HVAC infrastructure, engineered for peak performance and reliability.

Ductwork Fabrication

Mechanical Infrastructure

Airflow Calibration

Custom sheet metal ductwork designed and fabricated in-house to exact specifications for optimal airflow calibration.

Comprehensive HVAC system installation, upgrades, and preventative maintenance for high-demand commercial facilities.

Precision engineering to ensure balanced and efficient ventilation, meeting all local building codes and standards.

Precision Engineering

Custom Sheet Metal Fabrication

From our Balboa Avenue facility, we execute custom sheet metal fabrication with unparalleled precision. Our dedicated team ensures every component meets the rigorous demands of commercial ventilation systems.

This direct execution model eliminates middleman delays, guaranteeing project timelines and consistent quality from design to installation.

By the Numbers

Dependable Performance, Proven Results

99.8%

Code Compliance

24/7

Emergency Dispatch

150K+

Sq Ft Serviced Annually

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Ready to Partner on Your Next Project?

Submit your mechanical engineering plans directly to our team for a transparent commercial bid. We ensure clear technical documentation and straightforward execution.