At Thielmann Heating, Cooling, and Plumbing, we understand that your home is more than just a building; it’s where comfort, safety, and peace of mind come together. For over 90 years, we’ve proudly provided homeowners in Southeastern Wisconsin with reliable and innovative solutions tailored to their unique needs. From advanced heating systems to modern plumbing upgrades, we’re here to ensure your Franklin home runs efficiently all year long. Call us today at (262) 299-6197 and see why so many have turned to Thielmann’s home service solutions.
Valuable Franklin Heating Solutions

Winters in Franklin are no match for our advanced heating services. Whether you need a new installation or expert maintenance, we have you covered with a wide range of reliable options:
- Heat Pumps: Embrace year-round comfort with versatile heat pump systems that provide both heating and cooling. These systems are an excellent choice for Franklin homeowners looking to reduce energy costs while maintaining a consistent indoor climate. Whether you need a new installation or a repair, our team ensures optimal performance tailored to your home’s needs.
- Boiler Services: Boilers are a popular choice for homes in Franklin due to their durability and efficiency. We offer comprehensive boiler services, including installations, repairs, and maintenance, ensuring your system operates safely and effectively for years to come.
- Furnace Maintenance and Replacement: Regular furnace maintenance is key to preventing breakdowns and extending the life of your system. If it’s time for an upgrade, our high-efficiency furnaces deliver powerful heating while reducing energy costs.
- Emergency Heating Repairs: A sudden heating issue can disrupt your life, especially during a Wisconsin winter. Our team is available to provide fast, effective repairs, restoring warmth to your home without delay.
Plumbing Services for Every Need
A dependable plumbing system is essential for a smooth-running household. At Thielmann Heating, Cooling, and Plumbing, we offer a comprehensive range of plumbing services to keep everything flowing smoothly and efficiently:
- Tankless Water Heaters: Experience the luxury of endless hot water while saving energy with a tankless water heater. These compact and efficient systems are perfect for homes aiming to maximize utility and performance without taking up too much space.
- Water Line Services: Leaks or aging water lines can cause significant issues over time. Using advanced detection tools, we locate and address problems quickly, ensuring uninterrupted water flow and preventing costly damage.
- Modern Fixture Installations: Upgrade your bathroom or kitchen with state-of-the-art fixtures, including energy-efficient faucets, elegant sinks, and high-performance showerheads. Our installations are designed to enhance both style and functionality.
- Sump Pump Solutions: Safeguard your basement from potential flooding with reliable sump pump services. From installations to routine maintenance, we ensure your pump is prepared to handle heavy rains and protect your home.
Efficient Cooling Services in Franklin

As the temperatures rise, having a dependable cooling system gives you the peace of mind you deserve. At Thielmann, we offer a comprehensive range of cooling solutions in Franklin designed to keep your home cool, comfortable, and efficient:
- Central Air Conditioning: Upgrade to high-performance AC systems that deliver consistent cooling while lowering energy usage. Our technicians carefully assess your home’s size and layout to recommend the perfect system for your needs.
- Zoned Cooling Solutions: Customize the temperature in different areas of your home with zoned cooling systems. These solutions improve comfort and energy efficiency by allowing you to cool specific rooms rather than the entire house.
- Seasonal Maintenance: Regular maintenance is crucial for keeping your AC system running smoothly. Our tune-ups include inspections, cleaning, and adjustments to identify and address potential issues before they escalate.
- Smart Thermostat Installation: Gain better control over your cooling system with smart thermostats. These devices allow you to adjust temperatures remotely, create schedules, and monitor energy usage, ensuring optimal comfort and efficiency.
Franklin Air Quality Specialists
Breathe easier with Thielmann’s advanced indoor air quality solutions. We provide tailored services to ensure the air inside your home is clean, refreshing, and safe for your family:
- Air Filtration Systems: Remove allergens, dust, and airborne pollutants with high-performance air filters. These systems are particularly beneficial for households with pets or allergy sufferers.
- Dehumidifiers and Humidifiers: Achieve the perfect balance of humidity in your home. Our dehumidifiers prevent mold and mildew during humid months, while our humidifiers combat dry air in winter, improving comfort and health.
- Ventilation Upgrades: Proper ventilation is key to maintaining fresh air circulation throughout your home. We provide advanced solutions that reduce indoor pollutants and enhance overall air quality.
- UV Light Purification: Eliminate harmful bacteria and viruses with UV purification systems. These devices work seamlessly with your HVAC system to create a safer living environment for your family.
Schedule Your Service in Franklin Today
Looking to improve your home’s comfort, energy efficiency, and safety? Contact Thielmann Heating, Cooling, and Plumbing today by calling (262) 299-6197 to arrange a service or consultation. Our experienced team is honored to provide Franklin homeowners with personalized solutions that exceed expectations.
Recent Jobs and Reviews in Franklin, WI
Job Locations and Reviews
# Service Report: HVAC No Heat Call Responded to no heat call on residential furnace system over 10 years old. Upon arrival, performed complete system diagnostic including visual inspection of furnace cabinet, control board, ignition system, and gas valve operation. Checked thermostat communication and verified proper 24V control voltage at unit. Inspected heat exchanger through accessible panels and confirmed structural integrity with no visible cracks or deterioration. Tested blower motor operation and amp draw, verifying performance within manufacturer specifications. Examined flame sensor for carbon buildup and contamination that could prevent proper flame rectification. Cleaned flame sensor rod using emery cloth to remove oxidation and restore proper microamp signal. Verified proper gas pressure at manifold using manometer and confirmed inlet pressure met utility specifications. Cycled system through multiple heating cycles to verify ignition sequence, flame establishment, and
Performed indoor air quality inspection and verified proper operation of Carrier digital thermostat. System was found operating correctly in heat mode, maintaining setpoint of 72°F with all display features and controls functioning normally. No operational issues detected with the temperature control system.
Replaced corroded water supply line to toilet with new braided stainless steel flex connector. Verified proper installation and tested for leaks; system now functioning correctly with no water seepage at connection points.
Performed scheduled maintenance on HVAC system. Accessed and inspected interior components including motor assembly, control board, electrical connections, and PVC exhaust piping. All systems functioning properly with no issues identified during this preventative maintenance visit.
Responded to service call to address drainage issue. Discovered significant mineral buildup and sediment accumulation in the 1½" polyethylene pipe fittings of the residential plumbing system. Removed affected section, cleaned pipe connections, and replaced damaged components to restore proper drainage function.
Responded to callback to address drainage issue with HVAC condensate line. Reconfigured PVC piping with proper elbows to create effective drainage path away from foundation. Installed new exterior termination point with appropriate P-trap configuration to ensure proper system ventilation while preventing water intrusion.
Inspected bathroom fixture with focus on drain/stopper mechanism in white porcelain basin. Observed minor discoloration and water marks around the brushed nickel drain component. Completed assessment of stopper functionality and basin condition.
Inspected and serviced Carrier furnace system located in utility area. Verified proper installation of PVC ventilation components, refrigerant lines with filter drier, and all electrical connections. Confirmed Honeywell ProSeries thermostat functioning correctly with heat mode operational and displaying proper temperature (68°F).
Performed routine inspection and maintenance on Carrier HVAC system located in utility area. Unit inspection revealed all components in proper working order with all four access panels secure. System includes main furnace unit with connected ductwork and auxiliary components, all operating within normal parameters.
Performed diagnostic testing on furnace with no heat complaint. Removed access panel to inspect internal components including control board, wiring connections, and mechanical elements. Used multimeter to test electrical circuits and identified faulty limit switch causing system failure. Replaced defective component, verified proper operation through complete heating cycle, and restored system to normal functionality.
Performed diagnostic inspection on aging furnace (10+ years) that was not producing heat. Removed access panels to examine internal components, revealing issues with the control board and wiring connections. Repaired loose connections at the transformer and control board, cleaned blower motor assembly, and verified proper operation of all safety switches. System now functioning correctly with restored heat output.
Replaced deteriorated chrome drain assembly in bathroom fixture with new pop-up drain mechanism. Removed old fixture showing signs of water damage and tarnishing, then installed and sealed new drain assembly. Verified proper operation of stopper mechanism and confirmed no leaks present.
Conducted comprehensive inspection of residential plumbing system, focusing on multi-pipe configuration in wall cavity. Examined copper supply lines with valve fittings, black metal pipe with perforations, and PVC drainage pipe with manufacturer specifications. Verified proper mounting hardware and pipe supports were correctly installed to building structure.
Completed seasonal tune-up on Bryant furnace system located in basement. Performed standard maintenance including filter inspection, combustion analysis, and safety check of all components. System is operating within manufacturer specifications with no issues detected.
Successfully installed a new tanked water heater system in utility area, including proper connection of copper supply lines and PVC drainage. System was fitted with an expansion tank and all necessary valves to ensure code compliance and optimal performance.
Installed new furnace unit in utility room with proper electrical connections and condensate drainage system. Performed system testing with MA-line diagnostic meter (MA-12386A), confirming proper operation with readings at 16.5 units. All components functioning within manufacturer specifications.
Conducted comprehensive inspection of aging boiler system in basement utility area, including examination of electrical panel and circuit breakers for proper connections. Evaluated existing exhaust ventilation system, noting the condition of metal exhaust piping and wall penetration seal. System appears operational but showing signs of age that may require future replacement considerations.
Performed routine maintenance on customer's furnace system. Inspected electrical components and wiring connections with testing probe, ensuring proper voltage readings and secure connections. Examined internal components including circuit boards and mechanical elements, with all systems verified to be operating within manufacturer specifications.
Performed comprehensive furnace tune-up service, including inspection of internal components, electrical connections, and ventilation system. Removed front panel to access and examine motor assembly, control boards, and PVC venting. All systems functioning within normal parameters; no abnormal wear or damage detected.
Conducted on-site assessment of existing HVAC system in basement utility area. Existing unit shows signs of wear with exposed components and deteriorating insulation. Recommended full replacement of furnace and associated ductwork with proper insulation to improve efficiency and reliability. Noted need for improved connections to existing refrigerant lines and potential electrical upgrades at connection points.