Lennox National Account Services (NAS), a wholly owned subsidiary of Lennox International, provides commercial HVAC maintenance and service across the United States. The HVAC Service Technician performs field work supporting installation, maintenance, and service of heating, ventilating, and air conditioning systems for commercial customers. The role includes on-site preventive maintenance, routine repairs, and calibration after installation. Technicians handle basic, non-complex products and problems and refer more complex issues to higher-level technicians. Work is often performed independently, including on commercial rooftop HVAC units, while also contributing to a team-based environment focused on sharing information, workload, and ensuring customer satisfaction. Technicians must work safely and may occasionally travel, work nights or weekends, and work overtime as required.
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Job Type
Full-time
Career Level
Mid Level
Education Level
High school or GED