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
Performed comprehensive HVAC tune-up service, including inspection of internal components, circuit board examination, and verification of all electrical connections. System wiring was assessed for proper termination and safety, with particular attention to the motor assembly and control board connections. All components were confirmed to be secure and operating within manufacturer specifications.
Performed comprehensive tune-up on Carrier Infinity HVAC system including inspection of ductwork integrity. Used diagnostic equipment (ST43) to verify system performance and functionality. Interior duct inspection revealed normal condition with no significant debris or damage observed.
Successfully installed new high-efficiency furnace with digital thermostat display showing proper operation at 26 degrees. Mounted Aprilaire whole-home humidifier on the system, connecting all necessary tubing and ensuring proper integration with the HVAC system. Applied service identification sticker with 24-hour service contact information for future reference.
Performed comprehensive HVAC tune-up service including inspection of furnace interior components, blower assembly, and electrical connections. Verified proper operation of motor and examined all wiring connections (red, yellow, green, white, and blue) for secure attachment and signs of wear. Inspected PVC condensate drain and exhaust connections, confirming proper sealing at rubber coupling points and checking for any blockages or leaks.
Diagnosed cooling system failure in a residential HVAC unit less than 10 years old. Inspection revealed control board malfunction in the air handler, identified by examining component specification labels and internal wiring connections. Replaced defective control board, reconnected all electrical terminals properly, and verified proper operation of cooling system before completing service.
Completed inspection of bathroom shower ceiling unit. Observed fully functioning showerhead and arm mount fixture with proper water flow. Noted presence of moisture on ceiling surface suggesting proper seal integrity, with no visible leaks or damage to the fiberglass/acrylic enclosure.
Performed diagnostic assessment of boiler control board system. Inspected circuit board displaying "On" status with multiple connection points and wiring harness intact. Visual inspection revealed no apparent electrical component damage or loose connections.
Performed annual maintenance tune-up on the residential gas furnace system located in the basement utility room. Inspected internal components after removing access panel, checked all electrical connections and wiring for proper operation. Examined the PVC ventilation system for proper installation and signs of leakage; all connections appear secure with no visible issues detected.
Performed routine tune-up service on HVAC system in basement utility room. Inspected ceiling-mounted ductwork and accessible components. Observed PVC Coreline pipe installation running between joists, which appears to be properly secured and in good condition. No immediate concerns identified with visible system components.
Performed routine maintenance on Carrier furnace system located in basement utility area. Inspected PVC intake/exhaust venting pipes and confirmed proper installation. Checked condensate drain lines and noted minor moisture staining around unit base which was addressed during service.
Performed indoor air quality service including inspection and replacement of AprilAire filter. Removed existing filter which showed visible contamination (green spot on metallic surface), indicating proper filtration was occurring but replacement was necessary. Installed new filter to maintain optimal IAQ and system efficiency.
Performed comprehensive HVAC system tune-up including electrical diagnostics using Fieldpiece SC680 multimeter. Conducted amp draw measurements showing 0.31 amps during operation and verified system voltage at 56.89V. All electrical connections were inspected and readings were within manufacturer specifications.
Conducted comprehensive evaluation of existing HVAC system in residential basement. Documented aged furnace with deteriorating ductwork and outdated humidifier system requiring replacement. Recommended complete HVAC system upgrade including high-efficiency furnace unit, properly sized ductwork, and modern humidity control system to improve home comfort and energy efficiency.
Completed installation of a Patriot Carbon UV Air Purifier in the existing HVAC system. Unit was properly mounted to ductwork with secure fasteners and electrical connections were established via the prepared junction box on the concrete floor. System was tested and confirmed operational as indicated by the illuminated blue indicator light.
Responded to commercial no-heat call for a Trane furnace unit. Inspected system in basement utility area, where furnace was installed with proper PVC exhaust/intake piping. Diagnostic assessment completed and heat restored to normal operation.
Performed standard HVAC tune-up service with comprehensive electrical diagnostics. Verified system voltage at 60.49V using SC680 True RMS Job Link meter, and confirmed supply air temperature at 60.0°F with PDT650 pocket thermometer. All readings within normal operating parameters.
Diagnosed and repaired Carrier furnace that was not producing heat. Identified faulty pressure switch preventing proper ignition sequence. Replaced pressure switch, verified proper furnace operation through complete heating cycle, and confirmed all safety controls functioning correctly.
Inspected 10+ year old heating system that was non-operational. Discovered faulty blower motor with visible wire connection issues and deteriorated door gasket. Replaced blower motor assembly and installed new door seal to restore proper system operation and prevent air leakage. System now functioning normally with proper airflow.
Conducted regular tune-up service on HVAC system. Inspected compressor specifications (Model L213, 3400 RPM, 60Hz) and verified normal operation. Temperature readings indicated proper system function with supply air temperature at 68.3°F as measured with UEi PDT550 digital thermometer. No operational issues found.
Completed tune-up service on HVAC system including replacement of air filter with new pleated filter. Performed electrical diagnostics using SC680 clamp meter, confirming proper voltage readings of 0.46V, which indicates normal operational parameters within manufacturer specifications.