HVAC Technician: Refrigerant Systems & Controls Pro

Jones Lang LaSalle Incorporated; Houston (TX); On-site; USD 48,000 - 72,000; Full time

Benefits offered by this job

401(k) plan with company contributions

Comprehensive Medical, Dental & Vision

Paid parental leave

Paid Time Off and Company Holidays

Daily Pay early access to earned wages

Job summary

Jones Lang LaSalle Incorporated is seeking an HVAC Technician – Refrigerant Systems & Controls in Houston, TX. The role focuses on maintenance, troubleshooting, and preventive care for refrigerant-based HVAC systems to ensure uptime and energy efficiency across client facilities.

Responsibilities include diagnosing equipment, performing recovery and charging, and supporting commissioning activities. Strong knowledge of BAS/BMS, safety procedures, and EPA standards is required; 3–5 years of

Qualifications

• High school diploma or equivalent.
• EPA Section 608 Certification (Type II or Universal).
• TDLR Class B HVAC license (Must have)
• 3–5 years of hands-on experience servicing refrigerant-based HVAC systems.
• Proven experience troubleshooting compressors, refrigerant circuits, and mechanical components.
• Working knowledge of HVAC electrical systems, low-voltage controls, and safety procedures.
• Ability to read and interpret schematics, wiring diagrams, and equipment documentation.

Responsibilities

• Diagnose, service, and repair refrigerant-based HVAC equipment including VRF/VRV systems, chillers, DX units, heat pumps, and rooftop units (RTUs).
• Perform refrigerant recovery, charging, leak detection, brazing, and compressor repairs in compliance with EPA and safety standards.
• Troubleshoot HVAC electrical components, low-voltage controls, sensors, and automation devices.
• Monitor, adjust, and verify HVAC system performance using superheat/subcooling analysis and other diagnostic methods.
• Conduct scheduled preventive maintenance inspections and document findings, repairs, and refrigerant usage.
• Support system startups, commissioning activities, and functional testing for new or upgraded equipment.
• Communicate technical issues and recommended solutions to facility teams and management.

Skills

EPA Section 608 Certification

TDLR Class B HVAC license

3–5 years HVAC experience

Read schematics

HVAC electrical knowledge

Education

High school diploma

Tools

Johnson Controls BAS

Trane Tracer

Siemens BAS

CMMS experience

Job description

Jones Lang LaSalle Incorporated is seeking an HVAC Technician – Refrigerant Systems & Controls in Houston, TX. The role focuses on maintenance, troubleshooting, and preventive care for refrigerant-based HVAC systems to ensure uptime and energy efficiency across client facilities.

Responsibilities include diagnosing equipment, performing recovery and charging, and supporting commissioning activities. Strong knowledge of BAS/BMS, safety procedures, and EPA standards is required; 3–5 years of