Refrigeration Piping / Low Voltage Foreman

Tempe Mechanical; Tempe (AZ); On-site; USD 48,000 - 55,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Company Events & Team Culture

Profit Sharing Retirement Plan

ZayZoon - Wages on Demand

6 Paid Holidays

48 Hours of Paid Time Off

40 Hours of Sick Time

Job summary

Tempe Mechanical is seeking a Refrigeration Piping / Low Voltage Foreman for its New Construction HVAC Division. This role reports to the HVAC Superintendent and is based at the Greater Phoenix area, Tempe corporate office.

You will lead refrigerant piping, install low voltage components, and oversee controls subcontractors, equipment start-ups, and field commissioning. The ideal candidate brings journeyman-level refrigeration/HVAC piping experience, EPA 608 certification, and strong safety

Qualifications

• Journeyman-level refrigeration and HVAC piping on commercial projects.
• EPA Section 608 Universal certification (refrigerant handling) required.
• Demonstrated brazing proficiency.
• Working knowledge of low voltage HVAC controls, thermostats, relays, and sensor wiring.
• Ability to read and execute mechanical drawings, control diagrams, and equipment submittals.
• Valid Arizona driver's license and clean driving record.
• Preferred: commissioning experience, Facility Grid familiarity, start-up certifications (VRF, chiller, rooftop), coordination of controls or BAS subcontractors, OSHA 30; bilingual English/Spanish is a plus.

Responsibilities

• Refrigeration Piping (Self-Perform): lead installation, brazing, testing, evacuation, and charging per specs.
• Low Voltage & Controls Support: install/terminate wiring, verify device functionality at start-up.
• Controls Subcontractor Oversight: coordinate field sequencing and ensure readiness.
• Equipment & Factory Start-Up: oversee start-ups and ensure prerequisites are met.
• Commissioning: own field commissioning process and maintain docs.
• Documentation, Field Leadership & Safety: daily reports, safety compliance, and coordination.

Skills

Journeyman-level refrigeration & HVAC,

EPA 608 Universal certification

Brazing proficiency

Low voltage HVAC controls knowledge

Reading/interpreting mechanical & EDS

Valid AZ driver's license

Bilingual (English/Spanish) a plus

Tools

Facility Grid

VRF platform

Chiller platforms

Rooftop unit platforms

Job description

Refrigeration Piping / Low Voltage Foreman

New Construction HVAC Division

Reports To: HVAC Superintendent

Location: Greater Phoenix, AZ. Corporate Office: 303 W Elliott Rd, Suite 101, Tempe, AZ 85284

Compensation: $35.00 - $40.00 hourly

DUTIES & RESPONSIBILITIES

Refrigeration Piping (Self-Perform)

• Lead installation of refrigerant piping systems, including brazing, pressure testing, evacuation, and charging, to specification, code, and manufacturer requirements.
• Manage crew productivity, layout, material staging, and daily manpower loading against the project schedule.
• Enforce clean, code-compliant, inspection‑ready workmanship and correct deficiencies before they reach punchlist.

Low Voltage & Controls Support

• Install and terminate low voltage wiring, thermostats, relays, sensors, and functional control components for HVAC equipment.
• Verify point‑to‑point functionality of low voltage devices prior to start‑up and commissioning.
• Troubleshoot low voltage faults during start‑up and functional testing.

Controls Subcontractor Oversight

• Coordinate the controls subcontractor's field sequencing, access, and readiness against the mechanical schedule.
• Quality‑check controls subcontractor work for completeness and functional readiness; flag deficiencies to the Project Manager and Superintendent.
• Coordinate, schedule, and inspect the controls subcontractor in the field; route all scope direction, contractual instruction, and change‑generating decisions through the Project Manager.

Equipment & Factory Start‑Up

• Perform and lead equipment start‑ups and verify systems operate to design and manufacturer specifications.
• Schedule, host, and oversee manufacturer and factory start‑up technicians; confirm all pre‑start prerequisites are complete before the factory representative arrives.
• Capture and resolve start‑up deficiencies before turnover.

Commissioning

• Own the field commissioning process for assigned scope, including building and tracking commissioning checklists, schedules, and functional test readiness.
• Complete and maintain commissioning documentation in Facility Grid and other required software, keeping status current and defensible.
• Serve as the field point of contact for the commissioning agent, general contractor, and owner's representative on functional performance items.

Documentation, Field Leadership & Safety

• Submit accurate and timely daily field reports; maintain start‑up records, test reports, and commissioning logs for the turnover package.
• Set the pace, quality standard, and safety expectation for the crew; participate in daily safety huddles and hazard analysis.
• Enforce Tempe Mechanical safety policies and maintain compliance with EPA, OSHA, and local regulations.
• Support scheduling, look‑ahead planning, and coordination with other trades and the general contractor.

QUALIFICATIONS

• Journeyman-level refrigeration and HVAC piping experience on commercial projects.
• EPA Section 608 Universal certification (refrigerant handling) - required.
• Demonstrated brazing proficiency.
• Working knowledge of low voltage HVAC controls, thermostats, relays, and sensor wiring.
• Ability to read and execute mechanical drawings, control diagrams, and equipment submittals.
• Valid Arizona driver's license and clean driving record.
• Preferred: prior commissioning experience and familiarity with Facility Grid or comparable software, manufacturer start‑up certifications (e.g., VRF, chiller, or rooftop unit platforms), experience coordinating controls or BAS subcontractors on new construction, and OSHA 30; bilingual (English/Spanish) a plus.

BENEFITS

• Medical Insurance
• Dental Insurance
• Vision Insurance
• Life Insurance
• Company Events & Team Culture
• Profit Sharing Retirement Plan
• ZayZoon - Wages on Demand
• 6 Paid Holidays
• 48 Hours of Paid Time Off
• 40 Hours of Sick Time

OUR PROMISE

Tempe Mechanical is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.