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Heating, Cooling, and HVAC Services in Southeastern Wisconsin
Servicing All Your Residential and Commercial Needs
The Thielmann Group has provided quality heating, cooling, and HVAC services to Southeastern Wisconsin since 1929. We offer residential and commercial installation, replacement, repair, and maintenance services in Oak Creek, New Berlin, Milwaukee, Hartford, Burlington, Wauwatosa, and the surrounding areas. The team at our HVAC company is proud to offer timely service and competitive pricing in your local area.
Our technicians pay attention to the small details and are willing to go the extra mile for our customers! Our certified HVAC and indoor air quality technicians do whatever it takes to keep our customers comfortable. When you work with our skilled professionals, you can rest assured that your home will remain comfortable during our hottest days and coldest nights.
Contact the Thielmann Groupat (262) 299-6197 today to schedule residential or commercial heating, cooling, or indoor air quality services in Southeastern Wisconsin.
Quality Cooling and Air Conditioning
Summers in Wisconsin can be unbearable without a cooling system that you can trust will keep you cool and comfortable. Our team will ensure that your air conditioning, ductless mini-split, heat pump, and packaged units work at their best regardless of the temperature. Our team can install, replace, repair, or maintain whatever unit your business or home has.
Dependable Heating in Wisconsin
The Thielmann Group knows the importance of a reliable heating system in Wisconsin. Whether you need residential or commercial heating services, our team has you covered. We offer HVAC installation, replacement, repair, and maintenance services for gas and oil furnaces, heat pumps, boilers, ductless mini-splits, and packaged units!
Indoor Air Quality Services
Our indoor air quality specialists can improve the air quality in your home or commercial property by assessing your air quality and recommending the best solution for your Wisconsin home or business. The technicians at our HVAC company can install, replace, repair, and maintain air purifiers, humidifiers, and dehumidifiers. We also offer duct cleaning services to ensure your air is always free of dust and debris.
Call the Thielmann Group at (262) 299-6197 or contact us online to schedule heating, cooling, or indoor air quality services in Southeastern Wisconsin.
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Why Choose the Thielmann Group?
Offering Reliable Heating & Cooling in WI for Over 90 Years
- Same-day services
- Licensed & insured
- NATE-certified & background-checked technicians
- Free estimates on replacement quotes
- Maintenance plans available
- Upfront pricing & financing options
- Military, veteran & senior discounts
- A+ rating from the Better Business Bureau
- Lennox Feel the Love partner
Proudly Serving
Southeastern Wisconsin
Oak Creek | New Berlin | Hartford | Burlington | Waterford | & The Surrounding Areas