ESI Logo

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

HVAC and Refrigeration

By providing our clients with preventive care of their systems, ESI can help ensure better operation and longer equipment life. With many clients running round the clock operations, we know the importance of 24 hour response time.

Our union educated technicians are all certified in accordance with the latest occupational and environmental regulations. On-going union and factory certifications are requirements. As an additional benefit to our clients we can provide in house training, and supplement in house technical support on a temporary basis.


With a 24/7 Response Tech Team Providing Expert Service:

  • Heating, Air Conditioning, and Refrigeration
  • Cooling Tower Service and Water Treatment
  • Centrifugal and Reciprocating Chiller Service
  • Hot Water Systems and Boilers
  • Multi-zoned and Built-up Systems
  • Variable Frequency Drives Installation and Service