Join the world's largest HVAC company, named by Forbes as one of America's Best-In-State Employers 2025!

Founded in 2000, Thermosystems, a member of the Daikin group, is a manufacturer’s representative specializing in commercial heating, ventilation, and air conditioning (HVAC) products and controls. Our mission is to be the trusted partner behind complete HVAC solutions, bringing the expertise and guidance our customers deserve—because better buildings start with better partners.

Headquartered in Elmhurst, Illinois, we operate offices in Elmhurst, Romeoville, Peoria, Chicago, the Quad Cities, and Des Moines. Our organization includes dedicated equipment, solutions, and service sales teams, along with a comprehensive parts and full-service department to support the products we represent.

We offer a comprehensive benefits package that includes medical, dental, and vision insurance; short-term disability and life insurance; paid time off and paid holidays; and a 401(k) with profit sharing, among other benefits. At Thermosystems, you will be encouraged to grow, apply what you know, and see the impact of your hard work.

If you want to learn more about Thermosystems, visit us at www.thermohvac.com today!

The HVAC Technician will perform maintenance of HVAC equipment to include repair and replacement of defective equipment, components, or wiring. This role will require intermediate to advanced independent diagnostics, troubleshooting, pipefitting, and brazing of CATI (Chillers) and CATII (Non-Chiller) equipment.

What's in it for you:

• Factory Certified Training, Refrigeration Certification or other professional on the job training in the HVAC Industry.

• The opportunity to work on all types of commercial equipment and cutting-edge technologies such as Intelligent Equipment, Magnetic Bearing Technology and VRV|VRF Technology.

• Thermosystems provides technicians with vans, laptops, mobile devices, and other technologies.

What you will do:

• Perform maintenance of all HVAC & applied equipment and on-site start-up procedures.

• Repair and replace defective equipment, components, or wiring. Perform intermediate to advanced independent diagnostics, troubleshooting, pipefitting, and brazing of equipment.

• Conduct warranty service application by independently inspecting and testing systems to verify functionality for equipment.

• Verify functionality of new equipment. Educate customers on proper use of equipment, maintenance schedule, and operating manual.

• Problem-solve issues using reasoning and logic.

• Communicate with individuals who installed the system.

• Program new control systems using touchscreens and computers.

• Assist the owner's representatives to demonstrate that the system has been set up properly.

• Document actions taken on the jobsite to be included with project report.

• Direct discussions with building owners to assist with ongoing maintenance and service.

• Prepare wiring diagrams.

• Wear personal protective equipment when completing service tasks.

• Complete jobsite hazard assessment prior to initiating service and adhere to safety policies and OSHA guidelines.

• Demonstrate professionalism in appearance, verbal, and written communication. Interact with customers by offering status reports of service before, during, and after each call. Explain technical information to technical and non-technical audiences.

• Communicate potential sales opportunities to the sales staff through the quote process.

• Record and report billing, inventory, timecards, technician tip reports, product quality reports (PQR), and articles as required.

• Basic data entry and ability to navigate the use of email, internet, word processing programs. Download programs into equipment and micro controllers. Analyze trend data to ensure optimal performance.

• Ensure standards, policies, procedures, and maintenance of a clean work area are always upheld.

Qualifications:

Must have:

• Associate degree or equivalent from two-year college or technical school, with a certificate in Heating, Ventilation, and Air Conditioning.

• 5+ years related experience with increasing responsibility; or 7+ related experience; or equivalent combination of education and experience.

• Valid driver's license and acceptable driving record.

• State license or certifications as required by the market.

• EPA approved Universal Technician Certification required, as necessary.