Heating And Cooling Waukesha County

Heating, Cooling and Plumbing in Waukesha County

When it comes to keeping your property comfortable, you want a plumbing and heating, ventilation and air conditioning (HVAC) company that has put you and your family first since 1929! That’s why Thielmann Heating, Cooling, & Plumbing has been proudly serving Oconomowoc, Brookfield, Menomonee Falls, New Berlin, Pewaukee, Waukesha, Elm Grove, Big Bend and all of Waukesha County for decades.

We understand the importance of a fast, reliable HVAC and plumbing repair or service. When your furnace breaks down in the middle of winter, you don’t have time to wait around for an appointment. We offer same-day service to ensure our customers never have to endure a frigid night. We’ve also worked hard to extend our expertise and provide professional plumbing services for a complete and efficient system.

Trust us to handle all of your cooling, heating and plumbing needs for a comfortable property all year round. We treat every customer like part of our family because, in the end, that’s what it’s all about — taking care of our community.

Don’t wait for small issues to get bigger. Contact us today or book a service online to request our professional services! 

Heating Services

Keep your property warm and inviting throughout the colder season with our expert heating services. We’re proud to serve Waukesha County residents and businesses with the following:

Air Conditioner Services

Whether you have an emergency malfunction or need a new air conditioning (AC) installation, you can trust our technicians to deliver reliable, quality cooling services:

  • AC repairs: If you’re dealing with rising energy bills, unusual odors or another issue, count on our air conditioning repair to restore your AC.
  • AC installations: Our team will install a new AC or replace your current one with meticulous care.
  • AC maintenance: Boost the longevity and reliability of your system with our AC maintenance.

Plumbing Services

Our plumbing technicians are ready to assist with any kind of plumbing problems you may have, including:

Why Choose Thielmann Heating, Cooling, & Plumbing?

We go the extra mile for every customer by providing individualized assistance. By discussing your needs with you and recommending suitable options, we offer solutions for long-term performance. More of what makes us different:

Book a Service Today

With our 24/7 emergency HVAC repairs, comprehensive plumbing services and convenient maintenance plans, your property’s comfort is in the right hands with us. For more information, contact us today or complete this easy online form to book a service.

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What To Expect

Discover the Thielmann Heating, Cooling & Plumbing Difference

Fully Licensed & Insured

Our experts have the expertise and training to deliver the highest quality services every time.

Trusted Since 1929

We have served Southeastern Wisconsin for nearly a century, so we understand the needs of our community.

Financing Available

We offer various options from financing partners to help you meet your specific needs and budget.

5-Star Customer Service

Thielmann Heating, Cooling & Plumbing promises five-star customer service with every interaction.

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every service we perform.

Fully Licensed & Insured

Our experts have the expertise and training to deliver the highest quality services every time.

Trusted Since 1929

We have served Southeastern Wisconsin for nearly a century, so we understand the needs of our community.

Financing Available

We offer various options from financing partners to help you meet your specific needs and budget.

5-Star Customer Service

Thielmann Heating, Cooling & Plumbing promises five-star customer service with every interaction.

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every service we perform.

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Our Reviews

See What Your Neighbors Are Saying

I liked my experience with them. The guys I spoke with prior to doing the work, the estimation phase , and the ones I spoke with after the work was completed had enough knowledge and suggestion to answer all my questions. I’m pleased with the job…

De'Angelo T.

De'Angelo T.

Excellent team from start to finish. They were all very respectful of our property, as they promptly and professionally went about their task of installing a new air conditioner system. The system works very well, so far. It is also much quieter than the previous 40+…

Jerry W.

Jerry W.

Thielmann did a tremendous job replacing our Carrier furnace. They worked with us to make sure we were able to get the right product and even worked with Carrier on the issues we were seeing on our old furnace as it was failing sooner than it…

J. K.

J. K.

I've been using Thielmann Group for all my heating and air conditioning since I built my house 23 years ago. They have been great in emergency service and regular maintenance service. On time and very friendly staff. Would, and have, recommend them to anyone!

Paul K.

Paul K.

I have used Thielmann for both installation of a new furnace + A/C recently, but also an install of a ductless mini-split unit six years ago. I fully trust their brands and recommendations. I can't say enough of about this company. Every single person from administrative…

Christin C.

Christin C.