Full Service Mechanical Contractor


Services Offered:


Heating, Ventilation and Air Conditioning

The HVAC division of Environmental Systems, Inc., has designed, engineered and installed systems in over 600 Silicon Valley companies. In addition, schools, high tech, hospital, and biotech clients throughout northern California have utilized our expertise. Beyond plan and spec; we are also a design build contractor. This enables us to fill the unique requirements of specialty projects. We also provide the best possible solutions to comfort cooling needs. Our HVAC capabilities include:

  • Duct fabrication
  • Stainless steel
  • Architectural sheet metal
  • FRP ductwork
  • Clean room design
  • Design build capabilities
  • Construction management
  • Engineering
  • Construction management

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Plumbing and Process Piping

The plumbing and process piping division at Environmental Systems, Inc., has kept numerous Silicon Valley companies on the cutting edge of technology. From high tech to bio tech, this division is dedicated to the customer. With design build and engineering support, we are not limited to just plan and spec projects. Field personnel have certification in the latest welding Hi purity and process piping procedures. We provide the following services:

  • Orbital welding
  • BCF DI systems
  • PVDF
  • Hydronic piping
  • Hydraulic piping
  • Chiller change outs
  • Biotech high purity piping
  • Sanitation plumbing
  • Environmental chamber piping
  • Construction management

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Controls and Building Management

The controls division of Environmental Systems, Inc., provides a wide array of control systems. We can take a project from the design build stage to the controls device installation. To support our engineering and field operations, we are able to set-up on-site PC monitoring or remote modem monitoring of building control systems. This oversight and alert system provides immediate notification to building owners, managers, and service personal.

  • Control system design
  • Consulting
  • In-house training
  • Electric controls
  • Electronic controls
  • Pneumatic controls
  • Direct digital controls
  • Programmable logic controllers
  • Remote monitoring
  • Maintenance programs

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Service and Maintenance

To be a complete mechanical contractor, we maintain a full service department. By providing our clients with preventive care of their systems, we can help ensure better operation and longer equipment life. With most industrial customers running round the clock operations, we know the importance of 24 hour response time. We offer a wide range of service contracts, from basic preventive care to guaranteed maintenance. Our union educated technicians are all certified in accordance with the latest occupational and environmental regulations.

As a benefit to our clients we can provide in house training, and supplement technical support on a temporary basis. We service a wide range of systems:

  • Preventive maintenance programs
  • Indoor Air Quality monitoring and analysis
  • Expert Heating, Air Conditioning, refrigeration repairs
  • Chillers
  • Hot water and boiler systems
  • Multi-Zoned systems
  • Variable Frequency drives
  • 24/7 response

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Environmental Chambers

Environmental chambers are a integral part of the high tech R & D of Silicon Valley. As a company, Environmental Systems occupies a unique position in the chamber industry. As one of a handful of local environmental chamber service companies, our services are in high demand. Additionally, we are the only local company whose chamber division consists solely of technicians trained by the manufacturers. This gives us the technical edge. Knowing how vital product development and testing are to our clients, we offer the following services:

  • Start-ups
  • Upgrades
  • Retrofits
  • Preventive maintenance
  • Shock
  • Altitude
  • Burn-in
  • Temperature and humidity
  • LN2
  • CO2

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