HVAC Technician-Certified

Maintenance; Lockhart (TX); On-site; USD 32,000 - 37,000; Full time

Job summary

Lockhart ISD Maintenance is seeking a Certified HVAC Technician to maintain, repair, and install heating and cooling systems across district facilities. The role requires 3–5 years in the HVAC field, a Texas HVAC license or certification, and a high school diploma or GED.

Candidate will read blueprints, diagrams, and schematics, and use hand and power tools to diagnose and resolve problems. This on-site, full-time position offers a stable schedule and competitive compensation.

Qualifications

• 3-5 years experience in HVAC field.
• Texas HVAC contractor license or technician certification.
• High school diploma or GED.
• Valid Texas driver’s license.
• Ability to read blueprints, diagrams, schematics, and written reference material.
• Ability to diagnose and resolve problems.
• Ability to use hand and power tools.

Responsibilities

• Diagnose and repair malfunctions in HVAC 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 per specs and code.
• Wire motors, compressors, and temperature/humidity controls per wiring schematics.
• Maintain refrigerant dispensing records per federal requirements.
• Follow preventive maintenance schedules for all HVAC equipment.
• Perform duct cleaning and air quality testing as needed.
• Assist energy manager with energy conservation surveys.
• Receive and complete work orders.
• Maintain inventory of tools and materials.
• Inspect jobs upon completion and ensure area cleanliness.

Skills

HVAC repairs

Read blueprints/diagrams

Diagnose problems

Hand and power tools

Education

High school diploma or GED

Texas HVAC license or certification

Tools

Blueprints/Diagrams

Hand tools

Power tools

Job description

HVAC Technician-Certified

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

Job Details

Job ID: 5904271

Application Deadline: Posted until filled

Posted: Aug 26, 2026 5:00 AM (UTC)

Starting Date: Immediately

Job Description

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 are guided by three core themes embodied in our leadership definition and their corresponding behaviors:

• Having aLock“heart” for Peoplewhich is focused on developing one's relational capacity;
• Unlocking Potentialwhich is centered on the development and empowerment of both the self and others; and,
• BeingLocked on Excellencewhich 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.

Qualifications:

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

Major Responsibilities and Duties:

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 regrigerant 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 materials 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.

Safety

• 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 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

Supervisory Responsibilities:

As assigned by the Director of Maintenance.

Equipment Used:

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

Mental Demands/Physical Demands/Environmental Factors:

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 districtwide 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.

Position Type: Full-Time

Salary: $23.24 to $27.34 Per Hour

Job Categories:

Support Staff > Maintenance

Contact Information

• Shelby Nelson
• 419 Bois D'Arc St.
• Lockhart, Texas 78644
• Phone: [phone]
• Email: [e-mail]