Top Heating Installation & Service In Southeast Wisconsin
Same-Day Service
Heating and cooling emergencies happen when you least expect them. Contact the professionals at The Thielmann Group to assess and fix the situation you're dealing with. We have the necessary skills and tools to fix your system so you can safely use it once again. Call the Thielmann team at (262) 299-6197 to get emergency HVAC services in Southeast Wisconsin.
Up to $6095!!! Take advantage of additional rebates and tax credits Request Service

Heating Installation & Replacement in Southeast Wisconsin

With our brisk winters in Southeast Wisconsin, reliable heating is a necessity. Homes and businesses need efficient heating systems for comfort, warmth, and safety. When you need heating installation and replacement services, trust the experts at The Thielmann Group.

At The Thielmann Group, we’ve been a trusted name in heating services for over 90 years. Each technician we employ is background-checked, giving you safety and peace of mind in every visit. We also offer free estimates on replacement quotes and are committed to exceptional workmanship and customer service.

When you need heating installation services in Southeast Wisconsin, turn to The Thielmann Group. Call us at (262) 299-6197 to schedule your consultation today.

HVAC technician installing a gas heating system

Same-Day Heating Replacement Services

Sometimes, an improperly working heating system makes you reach your limit. Recognizing your need for prompt and efficient service, The Thielmann Group offers same-day heating replacement services.

Whether your system no longer gives you the warmth you need or you’re looking to upgrade to a more efficient model, our team is ready to assist you while ensuring minimal disruption to your routine.

Benefits of Upgrading Your Heating System

Not sure if you’re ready to invest in an upgraded heating system to improve home comfort and get long-term savings? Here are some of the main benefits of a heating system upgrade:

  • Enhanced efficiency: Newer systems operate more efficiently, using less energy and reducing monthly bills.
  • Increased comfort: A modern heating unit provides consistent temperatures and better air quality.
  • Longevity: Modern heating systems are built to last longer, giving you years of comfortable warmth.
  • Modern features: Features like programmable thermostats, zoned heating, and more give you more personalized options.
  • Safety: Upgraded systems come with enhanced safety features, minimizing risks of malfunctions.

For top-quality heating replacement systems, call (262) 299-6197 and schedule your heating replacement with The Thielmann Group.

Reputable Heating Installation Services

Southeastern Wisconsin homeowners know just how bitter our winters can be. We also know how important a reliable and efficient heating system is. At The Theilmann Group, we offer a wide range of heating solutions that we can tailor to meet each client’s requirements.

Let us help you with:

  • Boilers: Boilers deliver a cozy, comfortable heat, which makes them ideal for those looking for a radiant heating solution.
  • Gas or oil furnaces: Traditional, reliable, and efficient. These options are popular for homes and businesses because of their lower price.
  • Heat pumps: Heat pumps efficiently bring heat from outside your home inside to create a comfortable atmosphere.
  • Packaged units: These are all-in-one solutions that provide both heating and cooling functions.

Need heating installation services in Southeast Wisconsin? Call The Theilmann Group at (262) 299-6197 to schedule your consultation today.

Why Choose The Thielmann Group?

Southeast Wisconsin’s homeowners need robust and reliable heating systems. When you need a heating system replacement, count on The Thielmann Group. Since 1929, we’ve been dedicated to our community.

Our technicians are NATE-certified, experienced, and trustworthy. Our commitment to excellence is underlined as a Lennox Feel the Love partner. We also offer same-day services, financing options, and special discounts for our military personnel, veterans, and seniors.

Schedule your heating installation by calling us at (262) 299-6197 today.

Frequently Asked Questions

For large commercial areas, packaged units or commercial-grade boilers are often ideal. They can handle the strain while maintaining efficiency and delivering a comfortable warmth.
The average life span of a residential heating system is about 15 to 20 years. It’s essential to consider factors like usage and maintenance when thinking about the life span of the heating system in your home.
Modern heat pumps are designed to function efficiently in various climates, including Wisconsin’s. 

Read Reviews by Our Customers

Excellent
Based on 520 reviews
Michael Bania
Michael Bania
May 12, 2024
From the beginning of the process with sales call with Dave through the complete installation, your staff were exceptionally professional and helpful.
Tanya Newbauer
Tanya Newbauer
May 7, 2024
Theilmann was the only company out of two others, that told us about code requirements for our furnace being on the first floor. They did an amazing job with it being in a small spot and loved our dogs!
Bobi Brouse Bertling
Bobi Brouse Bertling
May 6, 2024
The Thielman group is great. They were right on time, efficient and did an excellent job. My only struggle is with the digital thermostat. I wish I had a better understanding of programming it. I would highly recommend this company to anyone.
Paul Durbak
Paul Durbak
May 4, 2024
Our old furnace quit. We called our old service provider, and the old furnace needed a very expensive replacement part. He also tried to sell us equipment we did not need. Being Costco members, I called Costco, and they forwarded our call to Thielmann. Jason called, and gave us a price for a new furnace. He came out the same day, and the price quoted over the phone was what we paid. The installation was scheduled, and we are very happy with the equipment and the service. Using Costco, we also got a nice rebate. Thanks.
John Spors
John Spors
April 19, 2024
Very professional and prompt. We are happy with our new furnace and recommend Thielmann for service and HVAC installation.
Donald Trapp
Donald Trapp
April 19, 2024
Salesman came in and looked at both the furnace and air conditioner and we agreed to get new ones. He was very helpful. Also, the guys that came in and installed both were polite and good at their installation. Would recommend Thielmann.
Shannon O
Shannon O
April 19, 2024
Upon our first call to Theilmann Group with a furnace problem, thru to a new furnace and air conditioner. Everyone we encountered was professional and a pleasure to have in our home. This was not a planned purchase, but they made it as easy as possible. Highly recommend!!
J Knox
J Knox
April 19, 2024
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 should have. The team was very professional and efficient. Great experience. We highly recommend them.
Tim Schumacher
Tim Schumacher
April 17, 2024
Stop shopping around and call Thielmann & Sons. Wayne, Chris and the team made it so easy, and made sure we understood all options and their impact to our home. Not only did they provide the information you look for in a home expert, but they gave us confidence that the price, timing, and install would go as planned, AND IT DID! They won't upsell you if you don't need it, and if they urge you one way it's because is it's the best option for you. Thanks to the whole team!
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What To Expect

Discover the Thielmann Group 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

The Thielmann Group 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

The Thielmann Group 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'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.

They performed an April Air install for us. Very professional, fast, knowledgable and responsive. Best price compared to the other places I called. They thought there may be difficulties installing due to our furnace set up, but were still willing to come out and try and…

Jenni S.

Jenni S.

The Thielmann group team was professional, knowledgeable, and on time. They did a fantastic job at a reasonable price. From our first encounter, we could understand how experienced the group was. There were no issues, and the new furnace worked perfectly. I highly recommend them.

Vincent R.

Vincent R.

Thielmann Group installed a new furnace and heat pump for us. We have been using them for HVAC maintenance for several years and were always happy with their service. We got quotes for the new system from a few companies and we were pleased that they…

Laurie K.

Laurie K.