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Who We Are

Major Mechanical HVAC Services

About Us

At Major Mechanical, we understand that your mechanical systems are more than just a piece of machinery. They are an essential part of your daily operation, and can negatively affect your facility when not operating at 100%. That’s why we’re committed to providing top-notch preventative maintenance, reliable service, quality installations, and unbiased second opinions.

Quality in Everything We Do

At Major Mechanical, our work is grounded in a strong set of core values that guide everything we do.

Quality craftsmanship is at the heart of our service—we take pride in delivering reliable, long-lasting HVAC and refrigeration solutions built to the highest standards.

We believe in exceptional customer service, treating every client with respect, responsiveness, and a sense of urgency that ensures timely results.

Integrity and trust define our team; as a proud union-affiliated company, our technicians are highly skilled, certified, and committed to doing the job right.

With competitive pricing and a wide network of trusted vendor partnerships, we’re able to offer versatile solutions across a broad range of brands and systems—always putting our customers’ needs first.

We value our community, actively giving back through local outreach initiatives that support the areas we serve.

Professional Affiliations

Plumbers and Steamfitters Local 118 logo
WI Pipe Trades logo
SMACNA logo
SMART Local 18 logo

Community Involvement

Major Mechanical is happy to support local Southeastern Wisconsin organizations.

We are proud sponsors of:

  • Milwaukee Academy of Science
  • Wind Lake Youth Baseball/ Softball
  • Lynch Racing Team
  • Crown of Life Lutheran Church & School
  • Ashippun Fire Department

Get Expert HVAC Services Today

Whether you’re managing a manufacturing plant, office building, or retail space, our team is equipped to handle all your HVAC needs, ensuring a comfortable and productive environment for your operations. Choose Major Mechanical for reliable, efficient, and customized HVAC solutions that support the success of your business. Contact us today to learn more about how we can assist you.