Thielmann & Son Heating and Cooling Careers

Are you looking for a great new career opportunity in the Greater Milwaukee HVAC Industry? Thielmann & Son Heating and Cooling is one of the leading HVAC companies in Southeastern Wisconsin. We are always looking for qualified professionals for our office, sales, and HVAC technician, installation, and service positions. We offer rewarding and challenging career paths in a positive work environment. 


Join Our Team

In addition to joining an industry-leading team, you’ll experience all of the benefits that the Thielmann Group has to offer:

  • Top compensation rates based on experience
  • Advancement opportunities
  • Multiple bonuses each year
  • Paid vacation
  • Company provided uniforms
  • Health, dental, vision, and life insurance
  • Flexible Spending Account
  • 401k matching
  • Company outings such as full-day fishing trips, golf outings, and two annual holiday parties with food and gifts!
HVAC Service Technician new Full-time
The Thielmann Group Southeastern Wisconsin, Wisconsin Sep, 01
Lead HVAC Installer new Full-time
The Thielmann Group Southeastern Wisconsin Area, Wisconsin Jul, 28


Our hiring team will review your credentials and past experience. If we feel your skills align with our open position, our team will call you to set up an interview!

We have six locations throughout Southeast Wisconsin. Check out all of our locations!

If you have questions about your application or the steps of our hiring process, please email