Financing Available

24/7 Emergency Service Available

New Berlin

262-786-2000

Hartford

262-673-2500

Burlington

262-763-2653

Menomonee Falls

262-293-9285

Click To Call

New Berlin

262.786.2000

Hartford

262.673.2500

Menomonee Falls

262.293.9285

Burlington

262.763.2653
Get A Free Estimate
  • This field is for validation purposes and should be left unchanged.

 

 

 

 
 
 
 
 
 
 
 
Serving the greater Milwaukee area since 1929

service-area-map

Thielmann & Son is proud to be your heating and cooling experts in Southeast Wisconsin since 1929! With offices in New Belin, Hartford, Burlington, and Menomonee Falls we provide exceptional service to residential and commercial customers in Dodge, Washington, Ozaukee, Milwaukee, Waukesha, Racine, Kenosha and Walworth Counties.

Read More

Thielmann & Son Heating & Cooling BBB Business Review

Residential

We can take care of all of your residential heating and cooling needs.

Learn More

Commercial

Your business in important. Put your trust in our professionals.

Learn More

Questions

Got a question? Let one of our qualified technicians help you find an answer.

Learn More

Specials

Learn about our current money-saving specials.

Learn More

Testimonials

Don't take our word for it! See what other satisfied customers have to say about us!

Learn More