HVAC Service Technician

The JOY FM; Saint Petersburg (FL); On-site; USD 50,000 - 90,000; Full time

Job summary

An established industry player is looking for a Level 4 Commercial HVAC Service Technician to join their dynamic team. This role demands extensive knowledge in DDC controls and mechanical systems, focusing on commercial and industrial HVAC applications. You will leverage your expertise in psychometrics, refrigeration cycles, and advanced electrical troubleshooting to ensure optimal performance of HVAC systems. If you are a seasoned professional with a passion for HVAC technology and a commitment to excellence, this opportunity is perfect for you to make a significant impact in a growing company.

Qualifications

• Mastery of psychometrics and building load calculations essential.
• 3-5 years experience in commercial HVAC required.

Responsibilities

• Perform advanced diagnostics on HVAC systems and troubleshoot electrical issues.
• Ensure compliance with EPA regulations and handle refrigerants safely.

Skills

Psychometrics and building load calculations

Advanced diagnostics of DX and chilled water systems

Refrigeration cycle analysis

Advanced electrical troubleshooting

VFD commissioning and programming

Refrigerant handling and EPA compliance

Education

EPA Certification

3-5 Years Experience in Commercial/Industrial space

Tools

BACnet

Modbus

Direct Digital Control (DDC) systems

Job description

Description:
Position Overview: We're seeking a Level 4 Commercial HVAC Service Technician with extensive experience in DDC controls and complex mechanical systems. This senior-level position focuses on commercial and industrial HVAC applications requiring advanced technical expertise in both mechanical and electronic building systems.

Technical Proficiencies:

1. Demonstrated mastery of psychometrics and building load calculations
2. Advanced diagnostics of direct expansion (DX) and chilled water systems
3. Expert-level knowledge of refrigeration cycles including subcooling, superheat analysis, and TXV operation
4. High-level proficiency in BACnet, Modbus, and other building automation protocols
5. Advanced electrical troubleshooting including single/three-phase motors and VFD parameters

Core Competencies:

1. Refrigeration cycle analysis and diagnostics
2. Advanced electrical schematic interpretation and controlling logic troubleshooting
3. VFD commissioning, programming, and fault diagnostics
4. Refrigerant handling and EPA compliance (Universal certification required)
5. Direct Digital Control (DDC) systems programming and integration

Specialized System Knowledge:

1. Energy Recovery Ventilation (ERV) balancing and enthalpy wheel maintenance
2. Economizer sequence optimization and mixed-air temperature control
3. Static pressure diagnostics and TAB (Testing, Adjusting, and Balancing)
4. Advanced airside diagnostics including:
1. Supply/return plenum pressure relationships
2. External static pressure (ESP) measurements
3. Duct traverses and K-factor calculations
4. VAV box calibration and flow verification

Performance Requirements:

1. Proficient in commercial chillers, RTUs, and split systems
2. Advanced understanding of building pressurization and air balancing
3. Experience with parallel rack systems and multiple compressor applications

Qualifications:
- 3-5 Years Experience in Commercial/Industrial space
- Boiler/Chiller Experience is preferred
- EPA Certification
- Clean Driving Record