Commercial HVAC Service Technician

Stoneham, MA

full time

On Site

senior

$94k–$104k

H1B: no

Sila The Commercial HVAC Service Technician at Sila Boston diagnoses, troubleshoots, maintains, and repairs commercial HVAC and refrigeration systems. This role services rooftop units, VRF/VRV systems, heat pumps, refrigeration equipment, and supports equipment replacements and system startups.

Responsibilities

Diagnose, troubleshoot, maintain, and repair commercial HVAC and refrigeration systems.
Service commercial rooftop units (RTUs), VRF/VRV systems, heat pumps, and refrigeration equipment.
Troubleshoot complex refrigeration components, including compressors, expansion valves, electronic controls, and defrost systems.
Perform preventative maintenance, system inspections, and equipment repairs to maximize efficiency and minimize downtime.
Diagnose electrical and control system issues, including three-phase power, VFDs, and building automation systems.
Service walk-in coolers/freezers, reach-in refrigeration equipment, and other commercial refrigeration applications.
Assist with equipment replacements, system startups, commissioning, and retrofit projects.
Communicate professionally with commercial customers and provide recommendations for repairs and system improvements.
Accurately document service calls, equipment conditions, and recommendations.
Support and mentor junior technicians while maintaining high standards of safety and workmanship.

Qualification

Excellent customer serviceKnowledge of make-up air units

Required

7–10+ years of commercial HVAC/R service experience with strong diagnostic and troubleshooting skills.
Valid HVAC/R trade license(s) applicable to the work performed and EPA 608 Certification.
Advanced knowledge of commercial HVAC equipment, refrigeration systems, and electrical controls.
Experience servicing and troubleshooting commercial rooftop units ranging from 3–50 tons.
Strong understanding of refrigeration cycles, compressors, electronic expansion valves, and inverter-driven systems.
Ability to independently diagnose complex equipment issues and manage commercial service calls.
Excellent customer service, communication, and problem-solving skills.
Valid driver's license with a clean driving record.

Preferred

Advanced experience with Mitsubishi City Multi, Daikin, LG, or comparable VRF/VRV systems.
Manufacturer training or certifications in VRF systems, commercial HVAC, or refrigeration.
Experience with building automation systems (BAS), BACnet, Modbus, and communicating controls.
Knowledge of make-up air units, commercial kitchen ventilation, and exhaust systems.
Experience with three-phase electrical systems, VFDs, motor controls, and advanced electrical diagnostics.
Commercial refrigeration experience with walk-in coolers/freezers, reach-in equipment, and food service applications.
Experience with commercial equipment startups, commissioning, and retrofit projects.
Familiarity with ServiceTitan for service documentation, equipment histories, and estimates.

Benefits

Dental
Vision
401(k)
PTO
Life Insurance

Company

Sila

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Source: lever

Active within the past hour

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