Commercial HVAC-Technical Specialist

Texas Air Systems has been shaping the HVAC landscape in Texas for over four decades. With 500+ team members and seven offices statewide, we partner with over 60 leading manufacturers to deliver custom, high-performance solutions that stand the test of time.

Here, your work matters. You’ll be part of a team that values collaboration, rewards curiosity, and gives you the tools to keep growing. Whether you’re just getting started or looking for your next big challenge, this is a place where you can thrive and make a real impact.

FLSA Status:
Exempt

This position provides technical expertise across the full project lifecycle, supporting sales, customers, contractors, and internal teams. This role is focused on equipment design support, order accuracy, installation verification, start-up coordination, and post-start-up technical issue resolutions. The Technical Specialist is not a start-up technician but serves as a high-level technical resource for complex, recurring, or critical issues related to LG equipment and controls.

• Assist the sales team with LG equipment design and selection during the estimating phase.
• Review project-specific control requirements and ensure LG equipment selections meet all specified criteria.
• Provide technical guidance to ensure proposed solutions align with customer and project requirements.

• Assist with and help ensure equipment orders are accurate, complete, and aligned with approved designs and customer expectations.
• Review order details to minimize errors, rework, or field issues.
• Verify proper installation of LG equipment in accordance with project requirements and manufacturer standards.
• Oversee piping walk‑troughs for split systems, both pre‑installation and post‑installation.
• Update and help standardize pre‑start‑up checklists to improve consistency and readiness.

• Assist with the preparation of configuration and setpoint sheets for the service team.
• Review service post‑startup configuration files to verify accuracy and completeness.
• Coordinate with the sales team, which is responsible for obtaining post‑startup files from Service and transmitting them internally as required.
• Support commissioning of controls in collaboration with the controls contractor, as needed.

• Provide ongoing technical support to the sales team, customers, contractors, and building owners.
• Focus on investigating and resolving major, complex, or recurring system issues (not routine start‑up activities).
• Serve as a technical resource for troubleshooting and problem resolution related to LG equipment and controls.
• Attend LG‑specific project meetings as a technical representative when required

• Bachelor’s degree in Mechanical Engineering, Engineering Technology, or related field, or equivalent HVAC industry experience.
• 5+ years of experience in commercial HVAC equipment application, technical support, or system design.
• Strong working knowledge of LG equipment, HVAC systems, and applied mechanical solutions.
• Experience with equipment selection, design review, and order accuracy for commercial projects.
• Understanding of HVAC controls, commissioning processes, and system integration.
• Ability to review project specifications, submittals, and controls requirements for compliance.
• Experience verifying equipment installation and supporting field walk‑throughs.
• Proven ability to troubleshoot complex or recurring HVAC and controls issues post‑start‑up.
• Strong communication, organization, and problem‑solving skills.
• Ability to work independently and collaborate effectively with sales teams, contractors, service personnel, and customers.

• Ability to interpret and apply manufacturer guidelines, technical documentation, and project specifications.
• Strong attention to detail with a focus on accuracy, documentation, and quality control.
• Ability to manage priorities across multiple projects and deadlines.
• Effective time‑management and organizational skills.
• Professional judgment when addressing technical issues and customer concerns.
• Ability to work collaboratively across…