HVAC Journeyman

Nielsen Mechanical, a Crete United Company; Denver (CO); On-site; USD 41,000 - 55,000; Full time

Benefits offered by this job

401(k) matching

Health insurance

Life insurance

Paid time off

Vision insurance

Job summary

Nielsen Mechanical, a Crete United company, is hiring a Journeyman Commercial HVAC Installer/Technician in the Denver area. You will install, troubleshoot, and commission commercial HVAC systems across rooftop units, boilers, chillers, air handlers, and ventilation networks.

Join a safety-focused team that values craftsmanship and problem solving. Expect steady work, competitive pay, and opportunities for growth within a nationwide support network.

Qualifications

• 4+ years of commercial HVAC installation and troubleshooting experience preferred.
• Strong hands-on experience installing and troubleshooting commercial rooftop units (RTUs).
• Experience with boilers, chillers, air handlers, and other commercial HVAC equipment preferred.
• Knowledge of commercial sheet metal ductwork and mechanical piping installations.
• Ability to independently diagnose electrical, mechanical, and refrigerant-related HVAC issues.

Responsibilities

• Install, troubleshoot, and repair commercial HVAC equipment, including RTUs, boilers, chillers, air handlers, and ventilation systems.
• Diagnose and resolve mechanical, electrical, refrigerant, and airflow issues on commercial HVAC systems.
• Perform equipment replacements, system upgrades, and new construction installations.
• Install and modify commercial sheet metal ductwork, fittings, and ventilation systems.
• Install and connect refrigerant lines, condensate drains, and mechanical piping.
• Read and interpret mechanical blueprints, wiring diagrams, and equipment specifications.
• Perform equipment startup, testing, and operational troubleshooting.
• Identify installation deficiencies and make necessary adjustments to ensure proper system performance.
• Work independently and alongside other trades to complete projects safely and efficiently.
• Follow applicable mechanical codes, manufacturer specifications, and jobsite safety requirements.

Skills

HVAC installation

RTUs experience

Troubleshooting

Reading blueprints

On rooftops safety

Education

HVAC apprenticeship

Journeyman HVAC license

Tools

HVAC diagnostic tools

Multimeters

Gauges

Job description

• On-site
• Full-Time
• Requisition #: HVACJ006998

Description

Take Your Commercial HVAC Career to the Next Level with Nielsen Mechanical!

Nielsen Mechanical, a Crete United company , is growing, and we're looking for an experienced Journeyman Commercial HVAC Installer / Technician who knows their way around commercial HVAC systems and enjoys tackling a challenge.

From rooftop units and boilers to chillers and complex mechanical systems, you'll have the opportunity to work on a variety of commercial projects, including new construction, equipment replacements, and system upgrades. We're looking for someone who can do more than just install equipment—you know how to troubleshoot, solve problems, and get systems running right.

At Nielsen Mechanical, we value skilled tradespeople who take pride in their work. You'll be part of a team that believes in quality craftsmanship, teamwork, and safety, with the added support and resources of Crete United's nationwide network.

If you're looking for competitive pay, challenging projects, and a team that appreciates your skills, we'd love to talk!

Responsibilities

Install, troubleshoot, and repair commercial HVAC equipment, including rooftop units (RTUs), boilers, chillers, air handlers, and ventilation systems.

Diagnose and resolve mechanical, electrical, refrigerant, and airflow issues on commercial HVAC systems.

Perform equipment replacements, system upgrades, and new construction installations.

Install and modify commercial sheet metal ductwork, fittings, and ventilation systems.

Install and connect refrigerant lines, condensate drains, and mechanical piping.

Read and interpret mechanical blueprints, wiring diagrams, and equipment specifications.

Perform equipment startup, testing, and operational troubleshooting.

Identify installation deficiencies and make necessary adjustments to ensure proper system performance.

Work independently and alongside other trades to complete projects safely and efficiently.

Follow applicable mechanical codes, manufacturer specifications, and jobsite safety requirements.

Qualifications

4+ years of commercial HVAC installation and troubleshooting experience preferred.

Strong hands-on experience installing and troubleshooting commercial rooftop units (RTUs).

Experience with boilers, chillers, air handlers, and other commercial HVAC equipment preferred.

Knowledge of commercial sheet metal ductwork and mechanical piping installations.

Ability to independently diagnose electrical, mechanical, and refrigerant-related HVAC issues.

Experience using HVAC diagnostic tools, including multimeters, gauges, and other testing equipment.

Ability to read mechanical blueprints, wiring diagrams, and technical documentation.

Understanding of commercial HVAC controls, airflow, and system operations.

Comfortable working on rooftops, ladders, lifts, and active construction sites.

Strong problem-solving skills and ability to work with minimal supervision.

Valid driver's license.

Preferred Certifications

EPA 608 Universal Certification.

OSHA 10 or OSHA 30.

Completion of an HVAC apprenticeship or equivalent journeyman-level experience.

Relevant manufacturer or commercial HVAC equipment training.

What We're Looking For

An experienced commercial HVAC professional who can do more than install equipment. We need someone who can install a commercial units, troubleshoot it when something isn't working, and understand how the entire mechanical system operates.

Steady pipeline of work in the Denver market

Supportive field leadership and team-oriented culture

Safety-driven organization with professional standards

Opportunity for long-term growth—not just another job

$30 - $40 per hour, depending on experience

Consistent, year-round work (no seasonal layoffs)

• 401(k) matching
• Health insurance
• Life insurance
• Paid time off
• Vision insurance

We are open to reviewing additional candidates with more or less experience and the pay range may differ if filled at a different level. Our pay ranges are determined by job, responsibility, and location. We base our starting pay offer and title on location and job-related factors such as candidate experience, training, knowledge, and skills.

Application Deadline:Applications are accepted on a rolling basis, and this posting will remain open until filled.

Crete United is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other characteristic protected by law.

Equal Opportunity Employer This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.