HVAC Technician

Yellowstone Local is proud to represent Shafer Mechanical, an established commercial HVAC and mechanical contractor serving the San Antonio area since 1988.

Are you a commercial HVAC service technician who understands not just how to repair equipment, but why systems fail?

Put your technical expertise to work diagnosing, troubleshooting, and servicing commercial HVAC systems throughout the San Antonio area. Join a team that values strong technical fundamentals, quality workmanship, and long-term solutions.

What's in It for You?

• Competitive Pay: $35 to $55 per hour, based on experience and technical knowledge

• Company Vehicle: Take-home company truck and fuel card

• Health Benefits: Medical, dental, and vision insurance

• Additional Coverage: Short-term and long-term disability, plus ancillary benefits, including cancer and accident coverage

• Retirement: 401(k) eligibility after one year

• Tools & Equipment: Boot reimbursement, uniforms, and employee tool discounts

• Professional Development: Manufacturer, classroom, and digital technical training

• Work Schedule: Monday through Friday, generally 7:30 AM to 5:00 PM

• On-Call Rotation: Approximately once every five weeks

• Onboarding: New hires typically work alongside an experienced technician for one to two weeks to learn company systems and processes

• Introductory Period: 90-day evaluation period

Why You'll Love It Here

• Join an established commercial HVAC and plumbing company serving San Antonio since 1988

• Work with an experienced team that values technical expertise, accountability, and quality workmanship

• Service a variety of commercial HVAC systems, including large-tonnage rooftop units, chillers, VRF systems, and central plant equipment

• Apply advanced diagnostic and troubleshooting skills to challenging commercial HVAC applications

• Work for a process-driven company that emphasizes identifying root causes and delivering long-term solutions

• Continue developing your technical knowledge through hands-on experience and ongoing training

Your New Role

• Diagnose, troubleshoot, service, and repair commercial air conditioning and mechanical systems

• Identify the root causes of electrical, mechanical, and refrigeration system failures and implement effective repair solutions

• Evaluate refrigeration system performance using superheat, subcooling, operating pressures, temperatures, and other diagnostic measurements

• Troubleshoot compressors, electric motors, electrical controls, and refrigeration components

• Perform refrigerant leak detection using appropriate testing procedures and diagnostic equipment

• Service commercial rooftop units, split systems, and other commercial HVAC equipment

• Perform preventive maintenance and recommend corrective actions to improve system performance and reliability

• Read and interpret electrical schematics, equipment specifications, and technical documentation

• Communicate technical findings, equipment conditions, and repair recommendations clearly to customers

• Complete accurate service documentation and deliver high-quality workmanship

Hiring Expectations: Apply today, complete a quick phone screening, and get ready for an interview with our team to discuss your experience and technical background.

Required Qualifications

• Minimum of 3 years of HVAC trade experience, including hands-on commercial air conditioning service and troubleshooting

• Current or recent hands-on commercial HVAC service experience, with demonstrated ability to independently diagnose, troubleshoot, and repair commercial HVAC equipment

• Strong understanding of the refrigeration cycle, including superheat, subcooling, BTUs, and expansion valve operation

• Ability to apply electrical and mechanical troubleshooting skills to diagnose equipment failures and identify root causes

• Working knowledge of compressors, electric motors, electrical components, and commercial HVAC controls

• Understanding of proper refrigerant leak detection and testing procedures

• Familiarity with HVAC psychrometrics, including wet-bulb and dry-bulb temperatures, dew point, and dehumidification

• Strong technical problem-solving skills and the ability to explain the reasoning behind diagnostic and repair decisions

• EPA Section 608 Universal Certification

• Valid driver's license and acceptable driving record

Preferred Experience

• 3 to 5+ years of hands-on commercial HVAC service experience with a consistent employment history

• Experience servicing large-tonnage rooftop units (RTUs) and commercial split systems, particularly equipment rated at 25 tons or larger

• Experience with chillers, VRF/VRV systems, or Variable Air Volume (VAV) systems

• Familiarity with building automation and management systems (BAS/BMS)

• Experience with boilers, pumps, hydronic systems, VFDs, or central plant equipment

• Heavy commercial refrigeration, supermarket refrigeration, or rack refrigeration experience with strong refrigeration fundamentals

• Texas TDLR registration for candidates currently working in Texas. Out-of-state candidates may obtain registration after relocating

• Experience working independently on complex commercial HVAC service calls and explaining technical repair recommendations to customers

You don't need experience with every system listed above. We're also interested in technicians with strong commercial HVAC fundamentals, proven troubleshooting skills, consistent hands-on service experience, and a willingness to keep learning and developing their expertise.

Shafer Mechanical is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment regardless of race, color, religion, gender, gender identity, sexual orientation, national origin, genetics, disability, age, or veteran status. #yellow