HVAC Technician-Certified

Lockhart Independent School District Maintenance - Lockhart, Texas. Open in Google Maps.

• Job : 5663346
• Final date to receive applications: Posted until filled
• Posted: Apr 22, 2026 5:00 AM (UTC)
• Starting Date: Immediately

The Lockhart ISD Mission

The mission of Lockhart Independent School District is to cultivate innovative learners and empower bold leaders who are prepared for a future yet to be imagined.

Lockhart’s Leaders

Across Lockhart ISD, each of our leaders is guided by three core themes embodied in our leadership definition and their corresponding behaviors:

• Having a “heart” for People – focused on developing one's relational capacity
• Unlocking Potential – centered on the development and empowerment of both the self and others
• Being Locked on Excellence – means that every person will have a relentless pursuit for results

Primary

Purpose:

Under general supervision, maintain, repair, and install heating and air conditioning systems and equipment throughout the district. Maintain and provide for the safe condition and operation of all HVAC systems in district facilities.

Education/Certification:

• High school diploma or GED
• Valid Texas driver’s license
• Texas air conditioning and refrigeration contractor license or technician certification

Special Knowledge/

Skills:

• Knowledge of HVAC repairs, maintenance, and installation techniques
• Ability to read and interpret blueprints, diagrams, schematics, and written reference material
• Ability to perform mathematical calculations
• Ability to diagnose and resolve problems
• Ability to use hand and power tools

Experience:

• 3-5 years experience in HVAC field

Maintenance and Repair

• Diagnose and repair malfunctions in various types of heating and air conditioning systems, including rooftop equipment.
• Install new heating and air conditioning systems and components.
• Relocate and expand existing HVAC systems as needed.
• Repair, replace, or calibrate controls, thermostats, switches, fuses, and electrical wiring.
• Fabricate, assemble, and install duct work and piping according to specifications and code.
• Wire and connect motors, compressors, temperature controls, and humidity controls according to wiring schematics.
• Maintain refrigerant dispensing records to meet federal requirements.
• Maintain preventive maintenance schedules and procedures for all HVAC equipment, including changing of filters and cleaning condensers and coils.
• Perform duct cleaning and air quality testing as needed.
• Assist energy manager to complete energy conservation surveys to realize most efficient, cost-effective use of HVAC energy.
• Receive and complete work orders.
• Select material and hardware and make time and material estimates.
• Maintain accurate records on material and labor used.
• Maintain inventory of district-owned tools, equipment, and materials.
• Inspect jobs upon completion and ensure areas are clean.
• Work with building principals and supervisors to complete projects.
• Detect needed repairs on equipment following established inspection procedures.
• Respond to emergency calls as needed.

• Perform preventive maintenance on tools and equipment.
• Operate tools and equipment according to established safety procedures.
• Ensure that equipment is in safe operating condition.
• Follow established safety procedures and techniques to perform job duties, including lifting, climbing, etc.
• Correct unsafe conditions in the work area and report any conditions that are not correctable to supervisor immediately.
• The Supervisor or his/her designee may assign other duties and accountabilities limited to those consistent with the applicable job function and pay grade.

As assigned by the Director of Maintenance.

Meters, gauges, welding equipment, ladder, hoist, hand and power tools, pipe bender, vacuum pump, IAQ instruments, propane torch. Light truck or van.

Continual walking, standing, climbing, stooping, bending, kneeling, reaching, and heavy lifting and carrying. Work in tiring and uncomfortable positions, outside and inside. Exposure to extreme temperatures. Frequent district-wide travel.

This document describes the general purpose and responsibilities assigned to this job and is not an exhaustive list of all responsibilities and duties that may be assigned or skills that may be required.

Full-Time

$23 to $27.06 Per Hour

Support Staff >
Maintenance

• Shelby Nelson
• 419 Bois D’Arc St.
• Lockhart, Texas 78644
• Phone:
• Email: sh