Heating, Ventilation, and Air Conditioning (HVAC) Technician

Calallen Independent School District; Corpus Christi (TX); On-site; USD 28,000 - 39,000; Full time

Job summary

Calallen Independent School District is seeking an HVAC Technician to maintain, repair, and install heating, ventilation, and air conditioning systems across district facilities. This nonexempt, full-time role reports to the Director of Maintenance and requires a valid Texas driver’s license.

Responsibilities include diagnosing malfunctions, installing new systems, performing preventive maintenance, coordinating with energy managers, and responding to emergencies.

Qualifications

• High school diploma or GED required.
• Valid Texas driver’s license required.
• Knowledge of HVAC repairs, maintenance, and installation techniques.
• Ability to read blueprints, diagrams, schematics and written reference material.
• Ability to perform mathematical calculations and diagnose problems.

Responsibilities

• Diagnose and repair malfunctions in various HVAC systems; calibrate controls.
• Install new HVAC systems and relocate existing ones; fabricate ductwork and piping.
• Maintain preventive maintenance schedules and records.
• Receive and complete work orders; estimate materials and labor.
• Inspect completed work and ensure sites are clean.
• Maintain inventory of district tools and coolant records; support energy goals.
• Assist energy manager with energy conservation surveys.
• Respond to emergency HVAC calls as needed.

Skills

HVAC repairs

read blueprints

diagnose problems

hand tools

power tools

diagrams & schematics

math calculations

safety procedures

Education

High school diploma or GED

Texas driver’s license

Tools

Electrical measuring equipment

Welding equipment

Power tools

Hoist

Vehicle (truck/van)

Job description

Heating, Ventilation, and Air Conditioning (HVAC) Technician

Heating, Ventilation, and Air Conditioning (HVAC) Technician Calallen Independent Sch Dist Maintenance - Corpus Christi, Texas Open in Google Maps

Job Details

Job ID: 5938827
Application Deadline: Posted until filled
Posted: Sep 24, 2026 5:00 AM (UTC)

Starting Date: To Be Determined

Job Description

Job Title: Heating, Ventilation, and Air Conditioning (HVAC) Technician

Exemption Status/Test: Nonexempt

Conditioning (HVAC) Technician

Reports to: Director of Maintenance Date Revised:

Dept./School: Maintenance

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

Clear and valid Texas driver’s license

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:

____ 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. Repair, replace, or calibrate controls including thermostats and switches.
• Install new heating and air conditioning systems and components and relocate and expand existing HVAC systems as needed. Fabricate, assemble, and install duct work and piping according to code specifications and connect motors, compressors, temperature controls, and humidity controls according to wiring schematics.
• 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.
• Receive and complete work orders. Select materials and hardware, make time and materials cost estimates, and maintain accurate records on material and labor used.
• Inspect jobs upon completion and ensure areas are clean.
• Maintain inventory of district-owned tools, equipment, and materials including maintaining coolant dispensing records to meet federal requirements.
• Assist energy manager to complete energy conservation surveys to realize most efficient, cost-effective use of HVAC energy.
• Respond to emergency calls as needed.

Safety

• Perform preventive maintenance on tools and equipment and ensure equipment is in safe operating condition.
• Follow established safety procedures and techniques to perform job duties including lifting and climbing. Operate tools and equipment according to established safety procedures.
• Correct unsafe conditions in work area and promptly report any conditions that are not immediately correctable to supervisor.
• Follow district safety protocols and emergency procedures.

Supervisory Responsibilities:

None

Mental Demands/Physical Demands/Environmental Factors:

Tools/Equipment Used: Electrical measuring and testing equipment; welding equipment; hand tools; power tools; hoist; light truck or van

Posture: Frequent standing, kneeling/squatting, bending/stooping, pushing/pulling, and twisting; work in tiring and uncomfortable positions

Motion: Frequent walking, climbing stairs/ladders/scaffolding, grasping/squeezing, wrist flexion/extension, and overhead reaching; frequent driving

Lifting: Heavy lifting and carrying (45 pounds and over) on a daily basis

Environment: Work outside and inside, on slippery or uneven walking surfaces; may work on rooftops; frequent exposure to extreme hot and cold temperatures, dust, toxic chemicals and materials, noise, vibration, and electrical hazards; work around machinery with moving parts; may work in tight or enclosed spaces; may work alone; may work irregular and prolonged hours; frequent districtwide travel

Mental Demands: Maintain emotional control under stress

Position Type: Full-Time

Salary: $20.25 to $28.23 Per Hour

Job Requirements

• Citizenship, residency or work visa required

Contact Information

• Marcos Flores , Director of Human Resources
• Central Office
• Phone: [phone]
• Email: [e-mail]