Commercial HVAC Sheet Metal Mechanic

The Sheet metal/Ductwork Mechanic serves as a leader within the field workforce and plays a critical role in mentoring apprentices, supporting project success, and upholding the reputation of through exceptional workmanship and customer service.

• Install rectangular, round, spiral, oval, double-wall, lined, and specialty duct systems (stainless, aluminum, welded, grease/kitchen exhaust, and pressure-class ductwork) per SMACNA standards and project specifications.
• Lay out duct runs from drawings, verify field dimensions, and coordinate routing with structure, piping, electrical, sprinkler, and other trades.
• Assemble and hang ductwork using appropriate connection methods (TDC/TDF, slip and drive, flanged, spiral couplings) and seal to the specified SMACNA seal class.
• Install hangers, trapeze supports, rod, strut, seismic bracing, and roof/wall penetrations, flashings, and curbs.
• Install air distribution devices and accessories including diffusers, grilles, registers, volume dampers, fire/smoke dampers, access doors, turning vanes, sound attenuators, and flexible duct connections.
• Install VAV boxes, fan-powered terminals, fan coil units, exhaust fans, louvers, and inline equipment and make final duct connections to air handlers, rooftop units, and other equipment.
• Perform duct leakage testing and support test, adjust, and balance (TAB) and commissioning activities.
• Maintain a high level of craftsmanship and attention to detail on all installed work.

• Read shop drawings and fabricate fittings, transitions, offsets, elbows, plenums, and custom sheet metal components in the shop or field.
• Operate sheet metal shop equipment including shears, brakes, rollers, notchers, Pittsburgh lock formers, TDC/TDF machines, and plasma cutters safely and accurately.
• Perform field modifications to ductwork and fittings to resolve conflicts and fit-up issues.
• Fabricate and install flashings, counter flashing, pans, guards, and miscellaneous sheet metal.
• Take field measurements and prepare accurate cut lists and fabrication requests.

• Troubleshoot airflow, noise, and distribution issues related to ductwork and air devices.
• Repair, reseal, reline, and replace existing ductwork and accessories on renovation and service work.
• Assist with duct cleaning support work, equipment change-outs, and connection of replacement equipment to existing systems.
• Complete work documentation accurately and professionally.
• Identify and communicate potential system deficiencies or concerns.

• Read and interpret blueprints, specifications, submittals, and coordinated shop drawings.
• Coordinate work activities with Superintendents, Project Managers, and other trades.
• Maintain accurate material and fitting inventories, track deliveries, and communicate shortages.
• Assist in project punch list completion and closeout activities.
• Maintain productivity standards while ensuring quality workmanship.
• Support project schedules and milestone completion requirements.

• Follow all OSHA, company, and customer safety requirements.
• Utilize personal protective equipment properly, including cut-resistant gloves and eye protection when handling sheet metal.
• Maintain clean and organized work areas and shop spaces.
• Participate in toolbox talks and safety meetings.
• Identify and report unsafe conditions immediately.
• Protect company tools, equipment, and assets.
• Promote a culture of safety and accountability on every project.

• Work directly with Youth Force Apprentices to teach sheet metal trade skills, safety practices, tool identification, layout, fabrication, hanging methods, sealing, and jobsite expectations.
• Serve as a positive role model through professionalism, work ethic, attitude, and craftsmanship.
• Assist the Superintendent in training and developing less experienced employees.
• Demonstrate patience and a willingness to explain duct design concepts, SMACNA standards, and installation procedures.
• Encourage apprentices to learn while maintaining safe and productive work practices.
• Help create a learning environment that supports apprentice growth and long-term success.
• Teach proper tool usage, material handling, fabrication and installation techniques, and trade best practices.
• Reinforce AOTCS values and expectations through daily interactions with apprentices.

• Taking ownership of assigned tasks and responsibilities.
• Supporting the Superintendent in achieving project goals.
• Assisting with crew coordination when directed.
• Leading by example in productivity, quality, safety, and professionalism.
• Helping maintain positive morale and teamwork among field personnel.
• Supporting the development of future mechanics and field leaders.

• Minimum 4 years of commercial or industrial sheet metal/ductwork experience preferred.
• Strong working knowledge of SMACNA duct construction standards, pressure classes, seal classes, and…