Houston, United States
HVAC Controls Service Technician
Texas AirSystems · Houston · United States
Posted: 9/8/2026 · Last checked: 10/12/2026
Job description
Quoted in full from Texas AirSystems's job posting. Gavroche does not edit it.
Texas AirSystems has been shaping the HVAC landscape in Texas for over four decades. With 500+ team members and seven offices statewide, we partner with over 60 leading manufacturers to deliver custom, high-performance solutions that stand the test of time.
Here, your work matters. You’ll be part of a team that values collaboration, rewards curiosity, and gives you the tools to keep growing. Whether you’re just getting started or looking for your next big challenge, this is a place where you can thrive and make a real impact.
Controls Service Technician
Reports to: Service Manager
FLSA Status: Non-Exempt, Hourly
The Opportunity
We are seeking an experienced Controls Service Technician to work as part of a team responsible for start-up, troubleshooting, commissioning, servicing, and training of DDC Building Automation Systems. This position requires the ability to communicate clearly with customers, mechanical contractors, mechanical engineers, and co-workers.
Responsibilities
- Build and maintain customer relationships, primarily focused on occupied building contracts
- Analyze problems and resolve issues to ensure proper system functionality
- Explore and report opportunities for advanced solutions for building operations and energy savings
- Creation and modifications of animated graphics and minor software changes
- Performs service repairs, adjustments, and calibration on Building Automation Systems
- Provide technical support and training to customers as applicable
- Checkout, start-up, and commissioning on controls projects
- Mentoring and assisting peers as applicable
The Required Profile
- High School Diploma, Military Service and/or Trade School education
- Minimum of five (5) years of experience with HVAC Building Automation Systems, specifically with Niagara
- Niagara AX and N4, Honeywell Webs is a plus, familiar with other control systems
- Deep understanding of BACnet protocol, with some Lonworks and Modbus experience
- Must have good computer skills and be familiar with IP networks
- Communication skills required (both verbal and written)
- Flexible to work overtime, weekends and/or an on-call schedule as needed
- Proficient in reading plans, submittal drawings and wiring diagrams
- Must have experience using various hand and power tools
- Ability to travel out-of-town occasionally may be required
- Valid driver’s license with clean driving history
Other Skills & Abilities
Language Skills
Ability to read and comprehend simple instructions, short correspondence, and memos. Ability to write correspondence. Ability to effectively present information in one-on-one and small group situations to customers, clients, and other employees of the organization.
Mathematical Skills
Ability to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals. Ability to compute rate, ratio, and percent and to draw and interpret graphs.
Reasoning Ability
Ability to apply common sense understanding to carry out instructions furnished in written, oral, or diagram form. Ability to deal with problems involving several concrete variables in standardized situations. Mental stamina for problem solving and prioritizing multiple tasks.
Environmental Requirements
Will be required to work in a field environment, multiple customer sites on a daily basis.
Personal and Interpersonal Skills
Ability to establish and grow relationships with customers through effective verbal and written communication. Dedicated to the needs of the customers, manufacturers and peers and has the patience to actively listen to all business partners. Able to solve problems and skillfully negotiate with a minimum of noise while managing stress. Demonstrates integrity and trust through appropriate directness and truthfulness. Ability to understand personal strengths and weaknesses, seek feedback and improve upon shortcomings.
Physical Demands
While performing the duties of this job, the employee is regularly required to use hands to operate computer keyboard reach with hands and arms. The employee frequently is required to stand, walk, and sit. The employee is continually required to climb or balance and stoop, kneel, crouch, or crawl. The employee must regularly lift and/or move up to 25 pounds, occasionally lift and/or move up to 75 pounds. Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus.
NOTE: This job description is not intended to be all-inclusive. Employee may perform other related duties as negotiated to meet the ongoing needs of the organization.
Employment practices will not be influenced or affected by an applicant’s or employee’s race, color, religion, sex (including pregnancy), national origin, age, disability, genetic information, sexual orientation, gender identity or expression, veteran status or any other legally protected status. Reasonable accommodations will be made for qualified individuals with disabilities unless doing so would result in an undue hardship.
Salary ranges listed are dependent upon a candidate’s qualifications, experience, internal equity, and the budgeted amount for the specific role and location.
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What mechanic / technician adverts in the United States state
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