When it comes to keeping your home or business comfortable year-round, you need a fast and reliable heating and cooling company on your side. Fortunately, The Thielmann Group has served Southeastern Wisconsin for almost a century, providing top-of-the-line HVAC repair and service.
Our NATE-certified technicians are experts in installing, replacing, repairing, and maintaining various heating and cooling systems, from furnaces to heat pumps to ductless mini-splits and packaged HVAC units. And if indoor air quality is a concern, we’ve got you covered there too. Our duct cleaning, humidifier, and dehumidifier installation services will help ensure that the air you breathe is as clean and healthy as possible.
Don’t let a broken furnace or outdated HVAC system leave you in the cold: turn to The Thielmann Group for all your heating and cooling needs.
Call (262) 299-6197 or contact us online today to schedule same-day heating, cooling, or air quality services in Southeastern Wisconsin.
Areas We Serve
The Thielmann Group has Hartford, Menomonee Falls, New Berlin, Oak Creek, Waterford, and Burlington offices to serve Southeastern Wisconsin best. Our team will gladly help you with any fast and reliable HVAC or IAQ services you need in the following counties and cities around Southeastern Wisconsin:
Dodge County
- Dodge County
- Beaver Dam
- Fox Lake
- Horicon
- Juneau
- Neosho
- Reesville
Kenosha County
- Kenosha County
- Bristol
- Kenosha
- Twin Lakes
- Wilmont
Milwaukee County
- Milwaukee County
- Brown Deer
- Cudahy
- Fox Point
- Franklin
- Glendale
- Hales Corners
- Milwaukee
- Oak Creek
- River Hills
- Shorewood
- Wauwatosa
- West Allis
- Whitefish Bay
Ozaukee County
- Ozaukee County
- Belgium
- Cedarburg
- Grafton
- Mequon
- Port Washington
- Saukville
- Thiensville
Racine County
- Racine County
- Caledonia
- Mount Pleasant
- Racine
- Sturtevant
- Tichigan
- Union Grove
- Waterford
- Wind Lake
Walworth County
- Walworth County
- Burlington
- Delavan
- East Troy
- Elkhorn
- La Grange
- Lake Geneva
- Lauderdale Lakes
- Williams Bay
Washington County
- Washington County
- Allenton Cedar Lake
- Hartford
- Jackson
- Richfield
- Slinger
- West Bend
Waukesha County
- Waukesha County
- Brookfield
- Chenequa
- Delafield
- Hartland
- Menomonee Falls
- Merton
- Muskego
- Nashotah
- New Berlin
- North Lake
- Oconomowoc
- Okauchee
- Pewaukee
- Wales
- Waukesha
For HVAC services you can trust in Southeastern Wisconsin, contact the Thielmann Group today at (262) 299-6197.
