Skip to main content
Posted August 21, 2026

Applied HVAC Chiller Service Technician

Karber Corporation
San Antonio, TX, US Full Time
50USD - 65USD per hour

Job Description

Job Description

NOW HIRING!

Karber Corporation (K CORP) is a full-service mechanical and plumbing contractor. Our projects span data centers, healthcare, manufacturing, schools, aviation, office, and hospitality sectors. We are currently seeking an Applied HVAC/Chiller Service Technician. We believe that talent comes from all walks of life. Ambition and hard work are the only prerequisites to achieving your goals at K CORP. Whether you aspire to become a highly skilled tradesperson or the president of our company, there are no limits to what you can achieve here!

WHAT WE OFFER:

  • Competitive hourly rate
  • Comprehensive benefits including Medical, Dental, Vision, Life, AD&D, Disability and Accident
  • FSA (health & dependent care) pretax flexible spending account
  • 401(k) Traditional & Roth retirement savings with Employer Match Contribution
  • Employee Discount Program
  • Employee Assistance Program (EAP)
  • Paid Time Off
  • Paid Holidays
  • A collaborative work environment
  • Opportunities for career growth in a rapidly expanding company

OUR CORE VALUES:

  • We do what is right: Being ethical and transparent every step of the way.
  • We show up: Fully for our customers, our business, and each other, every single time.
  • We take pride: In bringing buildings to life.
  • We own our actions: And deliver on our promises.
  • We stay true: Embracing relentless growth and fostering unstoppable collaboration.
  • We have fun: While being awesome.

ESSENTIAL DUTIES:

  • Diagnoses HVAC system performance through observation, testing and setup as required by trade/position and type/size of equipment to include split systems up to 25 tons, mini split systems, 3 tons/multizone, RTUS up to 50 tons, WSHP up to 15 tons, self-contained systems, CRAC units, airside, AHUs, gas/electric heat and EFs.
  • Proficient in the electrical diagnostics of HVAC equipment
  • Proficiently operates hand tools, power tools, gauges, and measuring equipment.
  • Performs disassembly and reassembly of large or small commercial or residential HVAC equipment to perform troubleshooting and planned maintenance as indicated in the service agreement.
  • Completes service contracts, quoted projects and demand service calls while maintaining profitability.
  • Develops long-term relationships with customers and explains work performed to the customer's satisfaction.
  • Participates in technician on-call-stand-by rotation as dictated by department policies and procedures.
  • Safely drives a motor vehicle and trailer as evidenced by past driving performance record.
  • Adheres to all company safety requirements.
  • Purchases materials and issues purchase order numbers to suppliers.
  • Maintains equipment, tools, and inventory stock on service vehicle.

MINIMUM REQUIREMENTS:

  • Minimum of 5+ years of relevant HVAC Service Tech experience.
  • High School Diploma or GED is required.
  • Two-year technical degree in related field is preferred.
  • Must possess required registrations, professional licenses and/or certifications as required by the position.
  • Universal EPA Certified

REQUIRED SKILLS:

  • HVAC Unitary skills: Split systems - all brands up to 25 tons
  • Mini-split system – up to 3-ton heat pump and Multizone
  • Roof top units – up to 50 tons
  • Water source heat pumps – up to 15 tons
  • Self-contained systems – water-cooled and air cooled with remote condenser and CRAC units – Liebert/Data Aire/Stultz
  • HVAC Airside skills:
    • Fan Powered Box
    • VAV Box
    • VFD Theory
  • Air Handler: Theory of AHU operation and Theory of control valve operation
  • Exhaust fans: Centrifugal Up blast Roof Fans and Centrifugal Inline Fan.
  • Cooling Tower: Ability to perform maintenance on cooling towers



Monday-Friday
Weekend, Nightshift and On Call Availability
40+

Sign up for Job Alerts