At The Thielmann Group, our team has been offering reliable heating, air conditioning, and HVAC repair services in Oak Creek, Wisconsin and other areas for over 90 years. Our comprehensive residential and commercial HVAC service ensures that your Oak Creek property is always at the ideal temperature.
Our NATE-certified technicians have the skills and experience to handle any heating or cooling issue and provide service for all brands of equipment, and with our 24/7 emergency services, we are here for you when you need us most.
For superior HVAC service in Oak Creek, trust the team at The Thielmann Group by calling (262) 299-6197 today or contact us online!
Top-Rated AC Services
Our licensed and insured technicians are proud to provide you with outstanding air conditioning (AC) services in Oak Creek, Wisconsin. With our wide range of services, we will work to ensure that you have the cooling power, including:
- AC installation and replacement
- AC repair
- AC maintenance
Ductless Mini-Splits
In addition to forced air, our team provides service for ductless mini-splits. With these unique systems, you’ll get great benefits, including increased energy efficiency, decreased noise, and easy maintenance, all without relying on ductwork in your home.
Heat Pumps
To streamline your HVAC, consider a heat pump. These systems work to both heat and cool your home and can provide exceptional performance with maximum energy efficiency.
Reliable Heating Services
Our comprehensive HVAC and heating services include installation, replacement, repair, and maintenance of a wide variety of popular heating systems, including:
- Gas and oil furnaces: Furnaces are always a popular choice for heating and offer great energy efficiency.
- Boilers: Boilers require less fuel for heating and are cost-efficient while providing quiet and consistent heat.
- Heat pumps: A heat pump does double duty to heat and cool your home and is a highly energy-efficient option.
When you need unmatched heating service, trust the team at The Thielmann Group. Call us today at (262) 299-6197 to schedule services!
Ductwork Services in Oak Creek
Your ducts are responsible for moving heated and cool air throughout your home and are critical to your home’s comfort system.
We offer a variety of duct services to ensure that your home is at the perfect temperature, including:
- Duct cleaning
- Duct installation & replacement
- Duct repairs
- Duct maintenance
Schedule your ductwork service today by calling (262) 299-6197 or contacting us online!
Indoor Air Quality Services
At The Thielmann Group, we understand the importance of high-quality indoor air. With our indoor air quality services, we’ll help ensure that the air you and your family breathe daily is clean and safe.
We offer a variety of systems, including:
- Air purifiers: These systems clean your air using a high-efficiency filter on the air your HVAC system is pushing into your ducts.
- Whole-house humidifiers & dehumidifiers: Moisture balance is critical for fresh air in your home, and with a whole-home humidifier or dehumidifier, you can prevent issues like mold, mildew, dry skin, and snoring.
Don’t delay! Get clean air today by calling (262) 299-6197 or contacting us online today!
Packaged Units Services
Packaged units are all-in-one systems that provide heating and cooling from a single unit. With these systems, you’ll get maximum efficiency with a simple installation and quiet performance. These units are often an ideal choice for smaller homes.
Our services include:
- Packaged unit installation & replacement
- Packaged unit repairs
- Packaged unit maintenance
Interested in a packaged system? Call our team at (262) 299-6197 or contact us online to see if this option is right for you!
Choose The Thielmann Group in Oak Creek
For unmatched customer service, trust the team at The Thielmann Group. We’re proud to offer residents of Oak Creek superior service from our background-checked, licensed, and insured technicians, and with our upfront pricing, you’ll never get a surprise when it’s time for the bill.
We offer free estimates on replacements and service all brands, and with our available financing options, you can trust that you’re in excellent hands with The Thielmann Group.
Schedule your HVAC service with one of our experts today by calling (262) 299-6197 or contacting us online today!
Read Reviews by Our Customers
EXCELLENT Based on 542 reviews Posted on Stephanie DolnikOctober 10, 2024Trustindex verifies that the original source of the review is Google. Everyone that I have ever came into contact with there has been helpful and wonderful! I would recommend them to anyone!Posted on Aaron WilhelmJuly 19, 2024Trustindex verifies that the original source of the review is Google. Gave me a quote to replace my 29 year old air conditioner.They weren’t the cheapest but were priced with in reason. Installed it quickly and operates wonderfully. I couldn’t be happier.Posted on Lisa FarrellJuly 19, 2024Trustindex verifies that the original source of the review is Google. My husband and I received 5 quotes from 5 different companies before finally deciding upon Thielmann. Although Thielmann was a bit more expensive, the quality we received was outstanding. We went through the Costco Program (Lesa at Menomonee Falls) and received more rebates in doing so. With that program, we received 10% back on our Lennox Air Conditioner and Lennox Furnace. In addition, we received another 2% back by going through Costco and another 2% back by putting it on the Costco Visa card. At any rate, from, Jason, who came to our house to explain what would be done and provide the estimate, to the installers, Ben and Hayden, who provided excellent care installing our new products. They spent the entire day replacing our new HVAC system. The guys were extremely professional and had great precision. Thank you, Thielmann, for a wonderful HVAC system, great customer service, and an amazing job!Posted on Dave SeefeldtJuly 19, 2024Trustindex verifies that the original source of the review is Google. Professional and fast! Installation looks great!Posted on De'Angelo TatumJuly 15, 2024Trustindex verifies that the original source of the review is Google. 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 they did. I had two AC units installed.Posted on Jay OrcholskiJuly 14, 2024Trustindex verifies that the original source of the review is Google. Wayne helped us find the right equipment. Ben and Hyden were great with the install. Wonderful team, as I would highly recommend The Thielmann Group.Posted on Brad DeFauwJune 26, 2024Trustindex verifies that the original source of the review is Google. I recently had the pleasure of working with The Thielmann Group Heating & Air Conditioning to install a mini-split HVAC system for the second floor of our Cape Cod home in Cedarburg, WI, and I couldn't be more satisfied with the entire experience. Professionalism and Expertise: From the initial consultation to the final installation, the team at The Thielmann Group demonstrated exceptional professionalism and expertise. They took the time to thoroughly assess our home and understand our specific cooling needs. Their knowledgeable staff answered all our questions and provided valuable insights into the benefits of a mini-split system for our unique architectural setup. Quality Installation: The installation process was seamless and efficient. The technicians arrived on time, were courteous, and worked diligently to complete the installation with minimal disruption to our daily routine. They were meticulous in their work, ensuring that everything was installed correctly and neatly. I was particularly impressed with their attention to detail and their commitment to maintaining the aesthetic integrity of our home. Performance: The mini-split HVAC system has exceeded our expectations. The second floor, which used to be uncomfortably warm during the summer months, is now perfectly cool and comfortable. The system operates quietly and efficiently, providing consistent temperature control without any noticeable increase in our energy bills. The Thielmann Group's recommendation and installation of this system have significantly improved our home's overall comfort and livability. Customer Service: The customer service we received was outstanding. The Thielmann Group kept us informed throughout the entire process, from scheduling the installation to following up afterward to ensure everything was working properly. They genuinely cared about our satisfaction and went above and beyond to make sure we were happy with their service. Overall Experience: I highly recommend The Thielmann Group Heating & Air Conditioning to anyone in need of HVAC services. Their professionalism, expertise, and commitment to customer satisfaction are truly commendable. Our experience with them was nothing short of excellent, and we are thrilled with the results of our new mini-split HVAC system. Thank you, Thielmann Group, for your exceptional service and for making our home a more comfortable place to live!Posted on Gail EllenbeckerJune 22, 2024Trustindex verifies that the original source of the review is Google. Quick, through team
Recent Jobs and Reviews in Oak Creek, WI
Job Locations and Reviews
Successfully installed a complete HVAC system featuring a Honeywell Home digital thermostat with temperature control functionality. System installation included proper mounting of equipment cabinet with secure copper line connections and appropriate fastening to ensure optimal system performance.
Performed comprehensive HVAC tune-up including inspection of electrical components and ignition system. Removed and checked igniter assembly, noting normal wear. Inspected wiring connections at control board and pressure switch, ensuring proper electrical continuity throughout system. All components tested and verified operational.
Performed routine tune-up on furnace, inspecting electrical components and connections. Examined control boards, wiring, and fan assembly for proper operation. All components were found to be in normal working condition with no signs of damage or corrosion.
Performed comprehensive HVAC system tune-up including inspection of furnace interior components. Verified proper electrical connections to control board and examined wiring integrity between blower motor assembly and circuit board controls. Cleaned accessible components and ensured all colored wiring connections (green, red, yellow, white, orange) were secure and properly terminated at appropriate control points.
Successfully installed a Mitsubishi H2i heat pump system with the outdoor unit properly mounted on a concrete pad and secured to the residence. System was evacuated to 108 microns as verified with Yellow Jacket digital vacuum gauge, ensuring proper dehydration of the refrigerant circuit before commissioning. All electrical connections were completed according to manufacturer specifications with required safety measures implemented.
Performed assessment for replacement of existing outdoor condenser unit showing significant snow accumulation and potential winter weather damage. Evaluated current system which includes 2" Cresline CPVC DWV Schedule 40 plumbing in basement utility area. Recommended replacement with appropriately sized unit to be installed on existing concrete pad with proper electrical connections to junction box.
Performed annual maintenance service on Carrier furnace in mechanical room. Conducted combustion analysis with Sauermann gas analyzer, measuring O2 and CO2 levels (CO2 at 0.96%) to verify proper combustion efficiency. System is operating correctly with no issues detected.
Conducted site evaluation for HVAC replacement at residential property. Current system shows age-related deterioration with insufficient insulation on existing ductwork in basement mechanical room. Exterior assessment revealed snow-covered condenser unit with protective cage that will require replacement. Recommended full system replacement including new energy-efficient air handler, properly insulated ductwork, and appropriately sized condenser unit with modern refrigerant standards.
Performed routine HVAC tune-up service which included inspection and evaluation of the system. Replaced heavily soiled air filter that showed significant dust accumulation. Temperature readings with digital thermometer confirmed system is operating within normal temperature range at 102.9°F.
Performed comprehensive inspection of bathroom plumbing components including examination of metal water supply line with shutoff valve connected to porcelain fixture. Inspected under-sink drainage system consisting of PVC pipes, joints, and water flow control valves for proper function and potential leaks. All components appeared functional with no active leaks detected, though minor aging observed on metal surfaces.
Performed scheduled maintenance service on HVAC system. Inspected and tested control board components, checking terminal connections and wire integrity. Verified proper operation of control interface and electronic assembly with particular attention to the labeled components and connection points.
Responded to customer complaint of burning smell and smoke from 10-year-old Carrier furnace. Upon thorough inspection of the Carrier Infinity system, including blower components, motor housing, and ductwork, no evidence of smoke source or operational issues was detected. Visual inspection confirmed proper installation of all mechanical components and PVC venting system. No service actions required.
Performed semi-annual gas furnace tune-up service. Conducted electrical testing with multimeter (SC680) checking microamp readings (3.8 μA) indicating proper flame sensing operation. Inspected Carrier furnace system including venting, PVC exhaust/intake pipes, and condensate drainage. All components functioning properly with no issues identified.