Commercial HVAC Service Technician

EMCOR Group; San Bernardino (CA); On-site; USD 66,000 - 77,000; Full time

Job summary

Mesa Energy Systems, Inc. is seeking a skilled HVAC Journeyman for on‑site work in San Bernardino. The role focuses on installing, inspecting, maintaining, and repairing HVAC systems, with emphasis on preventative maintenance and troubleshooting to ensure reliable operation.

The ideal candidate has 5+ years of field experience, holds a valid EPA 608 Universal license, and can read blueprints. Strong safety-conscious approach and minimal supervision are valued for this position.

Qualifications

• 5+ years field experience as Licensed Journeyman HVAC.
• Must have EPA Certification (608) Universal License.
• Commercial HVAC and refrigeration technician experience.
• Ability to read blueprints and use testing devices.

Responsibilities

• Install, inspect, maintain, and repair heating, ventilation, and air conditioning systems.
• Perform preventative maintenance on equipment and perform inspections.
• Diagnose and troubleshoot HVAC systems.
• Follow written/verbal instructions with minimal supervision in isolated areas.

Job description

About Us

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.

Essential Duties & Responsibilities

• Knowledge of chiller systems, refrigeration, heat pump, and HVAC equipment
• Responsible for installing, inspecting, maintaining, and repairing heating, ventilation, and air conditioning systems.
• Perform preventative maintenance on the equipment such as vacuuming, cleaning, changing filters, and oiling parts.
• Perform routine maintenance and inspections on HVAC systems.
• Diagnose and troubleshoot HVAC systems.

Qualifications

• 5+ years of field experience as Licensed Journeyman in HVAC
• Must have an EPA Certification (608) Universal License
• Commercial experience as a HVAC and Refrigeration Technician
• Knowledge and experience in the proper use and safe operation of hand tools, equipment, and testing devices necessary to perform all work assignments.
• Participates in the ongoing training available to our crews to keep updated on the newest equipment and latest software for HVAC equipment.
• Strong oral and written communication required.
• Ability to follow written and verbal instructions and perform duties with minimal supervision in isolated areas.
• Ability to read and understand blueprints.
• Valid Driver’s license and able to maintain a good driving record.

#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite

Affirmative Action Policy

Please review ourAffirmative Action Policy (https://emcorgroup.icims.com/icims2/servlet/icims2?module=AppInert&action=download&id=125196&hashed=-2134526997) .

Geographic Disclosure

Compensation Range: $48.41 - $56.95 per hour The hourly rate is determined by the CBA/rate sheet and test results. Benefits are provided through local labor union aligned with collective bargaining agreement.

Job Locations

US-CA-San Bernardino

Job ID: 2026-51012

Company: Mesa Energy Systems, Inc.

Category: Maintenance

Position Type: Full-Time

Location Type: Onsite

Posted Date: 3 months ago (7/7/2026 1:32 PM)