HVAC Commercial - Service Technician III

Responsible for performing inspections, diagnostics, testing, repairs, and planned maintenance of commercial HVAC systems. This intermediate-level technician ensures systems operate efficiently and reliably by following company standards and safety protocols.

• Diagnose and optimize performance of various HVAC systems including split systems, mini split systems, RTUs, WSHPs, CRAC units, and airside equipment.
• Utilize hand tools, power tools, gauges, and measuring equipment proficiently.
• Performs disassembly and reassembly of large or small commercial HVAC equipment to perform troubleshooting and planned maintenance as indicated in the service agreement.
• Successfully fulfills service contracts, quoted projects, and service calls, ensuring profitability is maintained.
• Develops long-term relationships with customers and explains work performed to the customer's satisfaction.
• Participates in technician on-call standby rotation as dictated by business unit policies and procedures.
• Safely drives a motor vehicle and trailer, as evidenced by past driving performance record.
• Meets requirements of company vehicle driving policy, and adheres to all company safety requirements.
• Purchases materials and issues purchase order numbers to suppliers.
• Maintains equipment, tools, and inventory stock on service vehicle.

• Minimum of 2-5 years of hands-on experience as an HVAC Service Technician.
• High School Diploma or GED is required.
• Two-year technical degree in related field is preferred.

Required Skills:

• HVAC Unitary skills:
  • Split systems - all brands up to 25 tons
  • Mini-split system - up to 3 ton heat pump and all brands MultiZone
  • Roof top units - all brands up to 50 tons
  • Water source heat pumps - all brands up to 15 tons
  • Self-contained systems - water-cooled and air cooled with remote condenser and CRAC units - Leibert/Data-aire/Stultz
• HVAC Airside skills:
  • Fan Powered Box
  • VAV Box
  • VFD Theory
• Air Handler:
  • Theory of AHU operation and Theory of control valve operation
• Exhaust fans:
  • Centrifugal Up blast Roof Fans and Centrifugal Inline Fan.

Founded in 1946, TDIndustries is a premier, employee-owned Mechanical, Electrical, and Plumbing (MEP) company delivering full-lifecycle building solutions-from design and construction to service and facilities maintenance. We power critical environments like hospitals, schools, data centers, stadiums, and commercial buildings across Texas and the Southwest.

Our Partners (employees) are the core of our success. As an employee-owned company, you have a voice, a stake, and a clear path to grow. Recognized by FORTUNE Magazine as a "100 Best Company to Work For," we invest in top training, career development, and a culture built on trust and servant leadership.

Join a growing team where your skills matter, and your future is built to last.

At TDIndustries, we believe opportunity should be built - and shared - by all. Whether you work with tools or technology, in the field or the office, we hire and grow people based on skill, potential, and integrity - never labels. We value the diverse paths that bring people to our team and welcome Partners of all backgrounds, including differences in race, color, religion, sex, gender identity or expression, sexual orientation, age, ability, military service, and more. What matters most is how we work together to build excellence.