HVAC Technician II

About the role

Summary Responsible for the operation, repair, maintenance, installation, and replacement of all Lubbock County’s heating, ventilation, air conditioning and refrigeration (HVAC/R) systems. Must have knowledge in residential and commercial HVAC/R systems including but not limited to: boilers, air and water-cooled chillers, pumps, cooling towers, fan coil units, air handler units, variable air volume units, gas/electric packaged rooftop, direct expansion systems, split systems, exhaust fans, walk-in freezers/refrigerators, ice machines, and all related valves, actuators, and direct digital controls (DDC) systems incorporated with said systems.

Responsibilities

• Adjust, program, and change HVAC/R and DDC set points for optimum efficiency and occupant comfort.
• Inspect and analyze installed HVAC components for needed maintenance, repairs, or replacement.
• Install and calibrate any and all HVAC/R controllers, VFDs, valves and other system components.
• Perform hydrodynamic and air balancing of HVAC systems as required.
• Maintain, troubleshoot, repair and install commercial HVAC/R equipment and packaged rooftop units.
• Knowledge of basic electrical systems including low voltage, line voltage, and 220-480V three phase.
• Familiarity with HVAC functional design, ductwork sizing, and installation.
• Respond to 24-hour emergency calls and provide after-hours overtime work as needed.
• Responds to emergency situations as required; i.e., fire, medical, terrorist, injuries, bomb threats, breeches of security, and notifying security officers.
• Assist in identifying system depreciation and failures for to incorporate repairs or replacements into the Department’s projected 5-/10-year plan.
• Complete work orders and daily logs of work performed.
• Ensure compliance with of all applicable County policies.
• All other duties as assigned.

Requirements

• High school graduate (or equivalent) and 5+ years of experience with HVAC/R related systems.
• Must have their EPA Universal certificate.
• Must have attended a certified HVAC/R school or vocational college, or through work experience on a one-on-one basis in order to receive HVAC/R certification.

Qualifications

• NATE, ASHRAE, or ACCA certified is a plus.

Skills

• Able to read and interpret controls, electrical drawings, blueprints, schematic diagrams, and system operation/installation manuals.
• Must have an in-depth understanding of HVAC/R systems and knowledge in computerized Energy Management Control Systems to properly diagnose and troubleshoot such systems.
• Able to organize and prioritize assigned tasks with little to no supervision.
• Perform mathematical calculations to troubleshoot systems and find faults.
• Must be able to communicate effectively, both orally and in writing.
• Establish and maintain effective working relationship with coworkers, contractors, and the public.
• Proficient understanding of refrigerant cooling, cooling and heating hydronic systems, gas and electric furnaces, heat pumps, walk-in coolers, freezers, and ice machines.
• Strong understanding of applicable code requirements.
• While performing the duties of this job, the employee is regularly required to sit and stand; use hands to finger motion; handle or