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!
Reliable Plumbing Services in Oak Creek, WI
If left unattended, a plumbing problem can quickly go from a minor inconvenience to a major repair. When this happens to you, call Thielmann Heating, Cooling, and Plumbing! Our team of plumbers in Oak Creek have the training, experience, and tools needed to locate and repair any problem with your plumbing system.
We fix everyday problems like dripping faucets, slow drains, and leaking pipes. We also handle larger projects, including full pipe replacements, water heater upgrades, and sump pump installation. Our goal is simple; keep your plumbing system reliable and your home safe from water damage.
The Oak Creek plumbers from Thielmann offer:
- Leak detection and pipe repairs to stop hidden issues before they spread.
- Drain cleaning to clear blockages and keep water flowing fast.
- Garbage disposal repairs or installations to make kitchen cleanup simple.
- Water heater service, repair, or replacement to keep your hot water consistent.
- Fixture installation and repair for toilets, sinks, and faucets that need attention.
- Water filtration and softening solutions for cleaner, better-tasting water.
- Sump pump repairs and maintenance to protect your basement from flooding.
We believe every repair should last. Our licensed plumbers find the root cause, fix it correctly, and make sure you understand the work before we leave. We also perform routine plumbing checks to catch small problems before they become major repairs. For clear pricing, honest recommendations, and lasting results, call Thielmann Heating, Cooling, and Plumbing today at (262) 299-6197 to schedule your Oak Creek plumbing service.
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
Recent Jobs and Reviews in Oak Creek, WI
Job Locations and Reviews
Completed installation of residential water heater system in basement utility area. Installation included proper connection of copper supply lines, mounting and integration of blue expansion tank with brass fittings, and installation of insulated piping for hot water distribution. All connections were secured according to manufacturer specifications, with PVC drainage/ventilation system positioned appropriately and shutoff valve installed for system control.
Completed water heater replacement in basement utility area. Removed existing unit and installed new cylindrical water heater tank with proper venting system, including galvanized metal ductwork with elbow joint extending through ceiling joists. Connected copper supply lines, gas piping with shut-off valve, and integrated all plumbing connections to existing infrastructure, securing pipes to wooden joists with appropriate strapping and supports.
Completed comprehensive estimate for complete HVAC system replacement at residential property. Evaluated existing outdoor condensing unit positioned against exterior brick wall with current electrical disconnect and conduit routing, as well as interior electrical panel and distribution system in basement utility area. Assessment included documentation of existing equipment placement, electrical service configuration with dual-column circuit breaker panel, and current ductwork installation to provide detailed replacement specifications and equipment sizing recommendations for new high-efficiency heating and cooling system installation.
Completed warranty inspection of newly installed HVAC system in basement mechanical room. Verified proper installation of main trunk ductwork, supply plenum, and air handler unit with all components secured according to manufacturer specifications and local building codes. Documented installation quality through photographic records showing ductwork transitions, support systems, and equipment placement meeting warranty requirements.
Completed prepaid HVAC maintenance visit on residential Carrier furnace system located in basement mechanical room. Performed comprehensive system inspection including verification of thermostat operation and programming settings, confirmed unit was maintaining proper setpoint of 73°F in heating mode with hold schedule active. Conducted visual inspection of furnace cabinet, ductwork transitions, PVC venting system, and associated mechanical components to ensure proper operation and identify any potential service needs.
Completed prepaid HVAC maintenance inspection on gas furnace system. Removed access panel and performed thorough visual examination of all internal components including gas valve manifold, burner assembly, blower motor, inducer fan, control boards, electrical connections, and condensate drainage system. All components were found to be in proper working condition with clean, well-maintained appearance and no visible signs of wear, damage, or deterioration noted during inspection.
# Service Report: No Heat Call - Residential Furnace Responded to a no heat service call for a residential forced air furnace system less than 10 years old. Upon arrival, performed complete system diagnostic to identify cause of heating failure. Conducted visual inspection of furnace cabinet, verified proper electrical supply at disconnect and circuit breaker panel, and checked gas supply to unit. Removed front access panels to inspect internal components including heat exchanger, burner assembly, ignition system, and blower motor. Tested furnace control board functionality and verified proper voltage readings at all connection points. Checked flame sensor for carbon buildup and contamination that could prevent burner operation. Inspected pressure switches and verified proper operation of inducer motor. Examined condensate drainage system including PVC piping for blockages or restrictions that could trigger safety lockout. Verified proper venting configuration and checked for any ob
Performed comprehensive inspection of gas furnace system with access panel removed. Conducted visual assessment of all internal components including blower motor assembly, circuit boards, wiring harnesses, and control modules. Verified all electrical connections and safety systems were functioning properly.
Performed routine HVAC tune-up including inspection of internal components using specialized tools. Replaced air filter with new pleated filter, ensuring proper installation in housing. System now operating at optimal efficiency with improved airflow.
Responded to a gas leak service call where ice/frost buildup was observed on metal pipes at connection points, indicating a significant refrigerant leak in the HVAC system. Inspected PVC drainage components and sealed joints with appropriate materials to prevent further issues. Repaired the leak at the affected elbow joint and recharged the system to proper operating specifications.
Completed installation of an AprilAire whole-house humidifier system integrated with the existing HVAC infrastructure. Unit was properly mounted to ductwork in the utility area with all necessary electrical connections established. System was tested and calibrated to maintain optimal indoor humidity levels.
Performed diagnostic inspection of furnace control board and wiring components. Examined electrical connections and terminal points, ensuring proper wire routing and secure connections. Verified operation of fan motor assembly and inspected high/low control settings for optimal functionality.
Responded to no-heat call for 10+ year old furnace system. Upon inspection, found significant dust accumulation on internal components requiring thorough cleaning. Thermostat was functioning properly in heat mode but showing 52°F indoor temperature with "Heat On" status, indicating furnace failure to produce adequate heat. Serviced unit by cleaning components, replacing worn igniter, and verifying proper operation with the Honeywell digital thermostat.
Performed scheduled maintenance visit on HVAC system. Conducted electrical diagnostics using Fieldpiece SC680 multimeter, recording voltage readings of 54.21V. Inspected condensate drain line for proper flow and checked refrigerant lines for integrity and appropriate installation.
Performed routine maintenance inspection on HVAC system. Examined internal valve assembly and control board, confirming proper wire connections and component integrity. All electrical connections were secure with no signs of wear or damage to the control mechanism.
Performed scheduled preventive maintenance on Honeywell HVAC system. Accessed and inspected internal components including blower assembly, motor, gas valve, control board, and electrical connections. All systems functioning properly with no issues identified during this prepaid maintenance visit.
Performed routine maintenance on gas furnace system. Conducted electrical diagnostics with multimeter showing 57.15V reading across control board components. Verified proper flame characteristics with strong blue flame pattern indicating complete combustion and correct gas-air mixture.
Performed scheduled preventative maintenance on Honeywell HVAC system. Conducted thorough inspection of furnace components including blower motor assembly, control board, electrical connections, and wire harnesses. System was found to be properly installed and in normal working condition with no visible damage, leaks or anomalies.
Performed gas pressure testing on the HVAC system using a UEI EM201B diagnostic meter, taking measurements at both low and high settings (1503 InWc and 3550 InWc respectively). Verified proper gas flow and pressure readings within manufacturer specifications to ensure optimal system operation and safety compliance.
Performed warranty inspection of Lennox furnace system with connected Honeywell Home thermostat. Verified proper installation of PVC exhaust/intake pipes and confirmed thermostat functionality at 60°F setpoint. Documented system condition with photos for warranty records.
