Commercial HVAC Service Technician III

Abstrakt Marketing Group; Denver (CO); On-site; USD 131,809,000 - 157,597,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with employer matching

Profit sharing

Paid time off

Paid holidays

Company-paid life insurance

Disability insurance

HSA and FSA options

Employee Assistance Program

Tuition reimbursement

Pet insurance

Job summary

LONG Building Technologies is seeking an experienced Commercial HVAC Service Technician III to join our Colorado service team in Littleton/Denver Metro. This is a senior-level role where you will diagnose and resolve complex system issues in the field, often autonomously, while mentoring less-experienced technicians.

You'll work with a company vehicle, mobile phone, and provided clothing, and enjoy a comprehensive benefits package along with a competitive pay rate of $46–$55/hour plus profit

Qualifications

• 6+ years of experience with commercial HVAC systems.
• Valid CFC / EPA 608 refrigeration certification.
• Expert knowledge of HVAC systems, load calculations, and energy modeling.
• Strong independent troubleshooting and diagnostic skills.
• Experience with VRF systems and BAS.
• Experience managing large-scale HVAC projects.
• Knowledge of refrigerant management and environmental considerations.
• Comfort with safety procedures and documentation.

Responsibilities

• Independently troubleshoot, diagnose, repair, and maintain commercial HVAC systems.
• Perform advanced troubleshooting on refrigeration systems and controls.
• Complete preventative maintenance and equipment inspections.
• Design and implement HVAC solutions based on customer needs.
• Oversee larger installation and retrofit projects.
• Mentor apprentices and less-experienced technicians.
• Prepare accurate service documentation and reports.

Skills

6+ years HVAC experience

EPA 608 certification

HVAC system knowledge

Independent troubleshooting

VRF & BAS familiarity

Project management

Energy modeling understanding

Customer service & communication

MS Word/Outlook/Excel

Tools

MS Office

Field service tools

Job description

Description

Commercial HVAC Service Technician III

Location: Littleton, CO / Denver Metro

Pay: $46–$55/hour + potential profit sharing

Build Your Career with LONG Building Technologies

LONG Building Technologies is looking for an experienced Commercial HVAC Service Technician III to join our Colorado service team.

For more than 60 years, LONG has helped commercial customers operate better buildings through HVAC service and equipment, building automation, security, and other building technology solutions. Our people are at the heart of our success, and we've built a culture centered on teamwork, growth, safety, work-life balance, and long-term careers.

This is a senior-level opportunity for a commercial HVAC technician who can independently diagnose and resolve complex system issues. You'll spend most of your time working autonomously in the field while also serving as a technical resource for less-experienced technicians.

A company vehicle, mobile phone, and company-provided clothing are provided to ensure you have what you need to do the job.

What You'll Do

• Independently troubleshoot, diagnose, repair, and maintain commercial HVAC systems.
• Perform advanced troubleshooting on refrigeration systems, economizers, VAV boxes, pneumatic controls, VRF systems, and related equipment.
• Complete advanced preventative maintenance and in-depth equipment inspections.
• Optimize HVAC system performance and energy efficiency.
• Oversee larger commercial HVAC installation and retrofit projects.
• Serve as a subject-matter expert on complex equipment installations and start-ups.
• Diagnose mechanical, refrigeration, electrical, and controls-related problems.
• Design and implement HVAC solutions based on customer needs.
• Provide technical support on difficult and complex service issues.
• Train, mentor, and support apprentices and less-experienced technicians.
• Complete service documentation accurately and on time.
• Build strong customer relationships through professional communication and excellent service.
• Follow all company safety procedures and maintain a safe working environment.

What We're Looking For

• 6+ years of experience working with commercial HVAC systems.
• Valid CFC / EPA 608 refrigeration certification.
• Expert knowledge of commercial heating, ventilation, and air-conditioning systems.
• Strong independent troubleshooting and diagnostic skills.
• Knowledge of VRF systems and building automation systems (BAS).
• Experience managing large-scale HVAC projects.
• Knowledge of advanced refrigerant management and environmental considerations.
• Understanding of HVAC system design, load calculations, and energy modeling.
• Familiarity with emerging HVAC technologies and industry trends.
• Ability to safely and legally operate a company vehicle.
• Ability to work after hours when needed.
• Strong customer service, communication, documentation, and organizational skills.
• Proficiency with Microsoft Word, Outlook, and Excel, with the ability to learn additional software.

What LONG Offers

$46–$55/hour + potential profit sharing

In addition to competitive hourly compensation, eligible employees have access to a comprehensive benefits package that includes:

• Medical, dental, and vision insurance
• 401(k) with employer matching
• Potential profit sharing
• Paid time off
• 8 paid holidays
• Paid Community Service Day
• Company-paid basic life insurance
• Company-paid short-term and long-term disability
• HSA and FSA options
• Employee Assistance Program
• Tuition reimbursement
• Voluntary life, accident, and critical care coverage
• Pet insurance
• Legal and identity-theft protection

Eligible full-time employees generally become eligible for health and welfare benefits on the first of the month following 30 days of employment. Additional eligibility, contribution, and vesting provisions may apply to individual benefits.

Why LONG?

At LONG, we’re looking to provide more than just another job. We want our technicians to have a place where they can build a career.

You’ll join a long-established company that emphasizes:

• A family-oriented culture that respects work-life balance
• A strong commitment to safety and employee well-being
• Real opportunities for career growth and development
• Continued training and learning
• Stability in an established organization
• A culture built around defined core values
• A team environment where experienced technicians are trusted and valued.

Physical Requirements

This is a hands‑on field service position that may require:

• Standing for extended periods.
• Working in mechanical rooms and other confined or tight spaces.
• Lifting up to 75 lbs. from floor to countertop and countertop to floor.
• Climbing ladders and safely working at heights.
• Working indoors and outdoors, including in inclement weather.
• Using personal hand tools.
• Working safely around normal commercial construction and jobsite hazards.