HVAC Technician @ NTD Mechanical

Together We Build – Partnership, Innovation, Excellence, and Safety

At Kelso Industries, 5,000+ employees across 40+ companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

Location: Garland, TX, serving customers throughout the Dallas‑Fort Worth area
Department: Service | HVAC
Employment Type: Full-Time | Hourly
Reports To: Service Director

NTD Mechanical is hiring Commercial HVAC Service Technicians at multiple experience levels, from developing technicians to experienced senior technicians who will perform a diverse array of skilled tasks to maintain and repair the heating, ventilation, and air conditioning (HVAC) systems they service. The senior‑level HVAC Technician III will also provide technical support, guidance, and training to their fellow technicians.

This is an opportunity to join a financially stable mechanical contractor that values quality workmanship, safety, teamwork, professional development, and a welcoming, family‑like culture.

• Diagnose, troubleshoot, repair, and maintain commercial HVAC systems and related components.
• Perform preventive maintenance and service work according to customer agreements and manufacturer specifications.
• Test system performance and identify the root cause of mechanical, electrical, control, and airflow issues.
• Service commercial equipment such as packaged units, split systems, air‑handling equipment, pumps, and related HVAC components.
• Disassemble and reassemble equipment as needed to complete repairs and planned maintenance.
• Read and interpret schematics, blueprints, equipment specifications, and technical documentation.
• Install and maintain HVAC controls and components, including thermostats, solenoids, pressure switches, temperature switches, and related devices.
• Communicate findings, repair recommendations, and job status clearly to customers and the service team.
• Document work performed, materials used, equipment condition, and recommended follow‑up actions.
• Maintain company tools, equipment, parts, supplies, and assigned work areas.
• Follow OSHA requirements, lockout/tagout procedures, and all NTD safety policies.
• Participate in the rotating on‑call schedule and respond to after‑hours service needs when assigned.
• Travel to customer locations throughout the DFW area.

• Approximately 0–2 years of HVAC service, maintenance, installation, or related technical experience.
• Foundational knowledge of HVAC equipment, electrical systems, mechanical components, tools, and safe work practices.
• Ability and willingness to learn commercial HVAC troubleshooting and service procedures.

• Approximately 2–5 years of relevant HVAC experience.
• Ability to diagnose, repair, and maintain commercial HVAC systems with limited supervision.
• Working knowledge of electrical circuits, controls, refrigerant procedures, and HVAC service practices.
• Experience assembling, replacing, and maintaining HVAC control devices and related components.

• Approximately 5–7 or more years of commercial HVAC service experience.
• Advanced troubleshooting knowledge across mechanical, electrical, hydronic, and control systems.
• Experience servicing chilled water, hot water, boiler, chiller, geothermal, or similar commercial systems.
• Knowledge of DDC controls, controllers, wiring, and building management system interfaces.
• Ability to interpret system blueprints and performance data and develop wiring or layout diagrams for system modifications.
• Ability to provide…