Heating & Cooling in Oconomowoc
Your Local Heating & Cooling Experts since 1929
Welcome to The Thielmann Group, your trusted choice for all your heating and air conditioning needs in Oconomowoc. Our top priority is customer satisfaction, and we go above and beyond to ensure you receive the best service. From our team of Nate-certified technicians to our friendly office staff, we strive to deliver exceptional results. As a Lennox Premier Dealer, Daikin and Carrier Dealer we take pride in offering products from top-of-the-line manufacturers. This prestigious designation sets us apart as one of the best heating and air conditioning contractors in Southeastern Wisconsin. Whether you require residential or commercial services, you can trust The Theilmann Group to get the job done right. We understand the importance of a comfortable home or workplace, and that’s why we are committed to providing reliable heating and cooling solutions year-round. For HVAC services in Oconomowoc, look no further than The Thielmann Group. Contact us online or call (262) 299-6197 to get started.
Same-Day Service
(262) 299-6197
Oconomowoc Heating Company
For all your Oconomowoc heating needs, turn to The Thielmann Group. Since 1929, our expert team ensures your equipment is properly sized and installed to the highest standards. We are confident that our heating products, installation, and services are the best in Waukesha County. Lennox furnaces, known for their energy efficiency and quiet operation, coupled with our factory-trained and NATE-certified installation professionals, guarantee peace of mind with every new furnace or heating system. If you encounter any heating problems in the Oconomowoc area, our furnace repair technicians will promptly restore your heat. We understand the urgency of a “no heat” situation during harsh Wisconsin winters. Our NATE-certified specialists are available 24/7 for emergencies, capable of servicing and repairing all makes and models. Don’t hesitate to contact us for any heating or furnace repair needs in Oconomowoc, WI.
Air Conditioner Repair & Installations
If you’re looking for a new air conditioning system for your home or business, we have the perfect solution to keep you cool and fit your budget. Our experienced team will ensure a flawless installation, perfectly sized to your space. Our technicians are factory trained and NATE-certified, equipped with years of knowledge to install your new central air or ductless system with superior workmanship. We work on all types of cooling systems, including:- Air conditioners: We can work on all models of air conditioning systems for residential and commercial properties.
- Heat pumps: We can repair, replace, or maintain energy-efficient heat pumps that deliver warm air inside and outside the home.
- Ductless mini-splits: We can service ductless HVAC units that provide total climate control for single rooms.
Indoor Air Quality
At The Thielmann Group we take pride in ensuring clean and healthy indoor environments for homes and businesses. From humidity control and air purification to duct cleaning and more, we offer solutions to improve your indoor air quality. Trust us to create a fresh and comfortable atmosphere for you and your loved ones.- Air purifiers
- Humidifiers
- Dehumidifiers
Why Choose The Thielmann Group
Since 1929, our team has been the go-to choice for top-quality residential and commercial HVAC services in Oconomowoc and beyond. Our NATE-certified technicians can service all brands, install Lennox-brand units, provide 24/7 emergency care, and more. Rest assured, we have you covered for all your HVAC needs! Plus, we offer upfront pricing, financing options, special deals, and a job well done. Contact us online or call (262) 299-6197 to schedule the HVAC services you need.