Commercial and Industrial HVAC Mechanical Services

Northern California’s Facility Solutions Leader

IES Indoor Environmental Services hero

We are a full service Facility Solutions Contractor involved in the design and construction of HVAC systems, Industrial Refrigeration systems, HVAC and refrigeration service and maintenance, as well as comprehensive Facility Solution Projects for commercial, and industrial facilities.

Why Indoor Environmental Services?

IES has been in business since 1988 and provides quality service in the Northern California area. Our team includes dedicated Project Managers, Estimators, Registered Professional Engineers, CEM (Certified Energy Managers), certified plumbers, pipefitters, sheet metal workers, and service technicians. Our CUSTOMER FIRST business philosophy promotes the quality of service that continues to drive us to this day. This is a commitment that each employee understands and incorporates into their daily work ethic. As part of your project team, IES assures a continued integration of efforts that save time and money for the owner/developer and/or general contractor and ensures the highest possible quality available.

About Us

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As a service company, our engineers, technicians and support staff are our most important resource. Are you ready to work for Indoor Environmental Services?

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What Goes Into an HVAC System?

Learn about Built Up and Unitary Systems. 

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