Mechanical HVAC Service Technician

Ahern; Fond du Lac (WI); On-site; USD 60,000 - 85,000; Full time

Benefits offered by this job

Upgraded company vehicles with your 이름

Top-of-the-line tools and technology

Safety-first culture

Job summary

Ahern is seeking a Mechanical HVAC Service Technician to service customers in Fond du Lac, WI and surrounding areas. You will troubleshoot equipment, perform maintenance on chillers, rooftops, AHUs, boilers, and pumps, and participate in a rotating on-call schedule.

The role requires 5+ years of experience and a universal refrigerant certification, with a clean driving record and willingness to travel. Ahern emphasizes safety, teamwork, and top-line tools to support your success.

Qualifications

• 5+ years of experience as a Mechanical HVAC Service Technician.
• Certification in refrigerant handling (universal).
• Clean driving record and ability to travel for the role.

Responsibilities

• Troubleshoot HVAC equipment issues and perform preventive maintenance on systems.
• Service a variety of industries in Fond du Lac and surrounding areas.
• Operate on a rotating on-call schedule and ensure customer satisfaction.

Skills

HVAC troubleshooting

Preventive maintenance

On-site service

Tools

Universal Refrigerant certification

Job description

Build Your Future with Ahern
Looking for a company that values your skills, respects your contributions, and gives you the tools to thrive?

Build Your Future with Ahern
Looking for a company that values your skills, respects your contributions, and gives you the tools to thrive?
With more than 145 years as a family-owned business, we’ve built a reputation as one of the best mechanical and fire protection contractors in the country. We pride ourselves on delivering unmatched quality and innovation while providing you with job stability and support. We have an exciting opportunity for a Mechanical HVAC Service Technician located in Fond du Lac, WI .

Here’s what you can expect when you work at Ahern:

• Top-of-the-Line Tools & Technology: We provide you with cutting-edge, new tools to help you excel
• Safety First: Your well-being is our top priority. We’re committed to ensuring every employee leaves work as healthy as they arrived
• Exceptional Work Environment: You’ll work on exciting, hands‑on projects that make a real difference - saving lives, protecting the environment, and ensuring personal comfort and well‑being
• Perks You Can See: As you progress in your career, field employees receive personalized, regularly upgraded Ahern vehicles (with your name on them!). This is just one of the many perks you have to look forward to

How will you contribute?

Ahern is seeking a Mechanical HVAC Service Technician to fulfill service work with customers in the Fond du Lac and surrounding areas. In this role, you will troubleshoot HVAC equipment issues, conduct preventative maintenance on chillers, rooftop units, air handling units, hot water pumps, boilers, burners, and perform combustion tuning. Be on a rotating on-call schedule. In this role, you will service a wide variety of industries, including heavy industrial, commercial, schools, healthcare, and food plants. Your employment relationship will be governed by a collective bargaining agreement. This is an excellent opportunity to showcase your exceptional customer service skills while actively engaging with Ahern’s service customers.

What you need to qualify?

Qualified candidates must be a Mechanical HVAC Service Technician with 5+ years of experience, ideally working on owner‑direct service work. The position requires a candidate to have a universal Refrigerant certification. Must have a clean driving record to operate company vehicles, be able to travel for the position, and pass an appropriate drug screen and physical (the job entails a great deal of lifting and climbing). Successful candidates must be self‑starters, have a strong mechanical background, have a good working and learning attitude, and be able to work in a fast‑paced construction environment (both indoors and outdoors).

By joining Ahern, you’ll gain the stability of a company that’s been a leader in the industry since 1880, the pride of doing meaningful work, and the support of a team dedicated to your success. Don’t settle for just any job - experience what it’s like to work for the best!

Ahern is an Equal Opportunity Employer and is committed to providing a workplace free from discrimination and harassment.