HVAC Service Technician

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Nielsen Mechanical Contractors is seeking an experienced Commercial HVAC Service Technician to join our growing team in North Denver. If you're looking to elevate your career with a company that values professionalism, craftsmanship, and long-term growth, we want to hear from you.

Reporting to the Service Supervisor and Service Manager, this role is responsible for performing preventative maintenance, troubleshooting, repairs, and installation of commercial HVAC systems. The ideal candidate is experienced, motivated, and ready to take ownership of their work while contributing to a collaborative team environment.

• Troubleshoot, repair, and maintain commercial HVAC equipment including built-up systems, package units, boilers, chillers, and control systems
• Perform routine preventative maintenance on various HVAC systems
• Communicate clearly and professionally with customers, providing accurate explanations of issues and solutions
• Follow troubleshooting guides to identify problems efficiently
• Ensure systems meet safety and operational standards before completing service
• Mentor junior technicians both in person and over the phone
• Assist in coordinating and managing ongoing service projects
• Complete daily service reports accurately and obtain customer signatures
• Stay current with technical knowledge through ongoing training and self-study
• Maintain a clean and organized vehicle and adhere to scheduled maintenance

• Minimum of 7 years of commercial HVAC experience
• Universal EPA Certification required
• Demonstrated expertise in troubleshooting and maintaining a variety of HVAC systems
• Strong knowledge of boilers, chillers, pneumatic and digital controls
• Ability to read and interpret electronic schematics
• Valid driver’s license with clean driving record
• Ability to lift up to 70 lbs
• High school diploma or GED required; technical certification or degree preferred
• Strong problem-solving skills, attention to detail, and ability to work under pressure
• Team-oriented with a desire to grow and support others

• Competitive hourly wage ($45–$65/hour DOE)
• Medical, dental, vision, and life insurance
• 100% company-paid short- and long-term disability insurance
• 401(k) with 4% company match
• 2 weeks paid time off (PTO)
• 7 paid holidays:
  Thanksgiving, Day after Thanksgiving, Christmas Day, New Year's Day, Memorial Day, Independence Day, Labor Day
• Sick leave
• Paid training and professional development
• Company vehicle
• Opportunities for advancement based on performance and availability

Please check this video out for more information on Crete United!

Build The Future with Nielsen Mechanical, a Crete United Company.

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.

Apply directly through the job board where you found this posting (Linked In, Indeed, Zip Recruiter), or submit your application through our careers page at . All applications must be submitted through one of these platforms to be considered.

Applications are accepted on a rolling basis, and this posting will remain open until March 1st 2026.

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.

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