Open positions

Have What It Takes To Join The ACS Family?

There’s more to being a part of Air Control Systems than experience or technical knowledge. We pride ourselves in the high caliber of every ACS employee—people who represent decades of focus and effort to be the best, most reliable, most trusted commercial HVAC company in Southern California.

When you join ACS, you become part of a tight-knit, highly supportive family of HVAC professionals. And while we’ll admit, that might sound cliché, we invite you to ask anyone on our team what it’s like working at ACS. We’re confident that you’ll like what you hear.

In addition to a very competitive salary, ACS employees enjoy some industry-leading benefits.

If you are interested in working with us, we’d love to hear from you. Apply to the open positions below or send your resume to


  • Design Engineer - California

    Seeking a dynamic, licensed Professional Engineer (PE) with proficiency in the planning, design, and construction of HVAC systems for commercial facilities to join our growing, stable team.

    Job Responsibilities (include but are not limited to the following):

    • Design of commercial HVAC systems (new construction, tenant improvement, conditioned warehouses, etc.)
    • Prepare and develop Auto CAD engineering drawings, layouts and schematics
    • Perform load calculations and title 24 compliance models
    • Coordination with engineer(s)/architect(s) and other disciplines
    • Attend meetings and field surveys as required during design
    • Support project construction including working with review of submittals and request for proposal (RFP)/request for information (RFI)
    • Expert level of detail in review of engineering drawing, specification, and front-end documents
    • Provide engineering depth and support/value to other divisions (Estimating, Installation, Start-Up, Piping, Business Development, etc.)
    • Learn all software programs utilized in the day-to-day business operations of the company

    Required Characteristics:

    • Bachelor of Science in Mechanical Engineering or Construction Management required
    • Must be a California-licensed Professional Engineer (Mechanical)
    • 4+ years’ experience in mechanical engineering/design is required (engineering/architectural or design-build firm)
    • Must be proficient in AutoCAD (REVIT knowledge is a plus)
    • Sustainable design methodologies and energy modeling techniques/knowledge (LEED Accreditation preferred)
    • Detail oriented with strong conceptual skills
    • Must be technically inclined and demonstrate a “can-do” problem solving attitude
    • Must be proficient in Microsoft Office Outlook, Excel, and Word
    • Must have a strong work ethic with an innate customer-first philosophy
    • Must be an excellent listener and strong communicator
    • Experience with Commercial, Distribution & Warehousing Market segments
    • Strong understanding of California Building Codes and ASHRAE standards
    • Must have a valid California driver’s license in good standing

    We look forward to hearing from you – and sharing the ACS difference!

    Apply Now
  • Service Technician - California

    Air Control Systems, Inc. is seeking qualified HVAC Technicians with a minimum of 5+ years of commercial/industrial HVAC technology, troubleshooting, system controls and repairs experience.

    This is a full-time, non-exempt position with varying work hours.

    Job Responsibilities (include but are not limited to the following):

    • Proficiency in commercial and industrial HVAC maintenance and repairs
    • Diagnose HVAC systems and their components
    • Maintain effective working relationships and professional communication with colleagues, property managers, and general public, etc.
    • Demonstrate a service oriented approach
    • Ability to work with little supervision at different locations
    • Applied understanding of HVAC operations & system controls

    Required Characteristics:

    • 5+ years in HVAC technology, troubleshooting, system controls and repairs
    • Experience reading electrical diagrams
    • Building Automation System and Chiller repair/cooling towers and troubleshooting experience preferred
    • Valid driver’s license with clean driving record
    • EPA Universal refrigerant certification required
    • Knowledge of safety practices
    • Excellent interpersonal skills
    Apply Now