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
Completed plumbing estimate for existing sump pump system in basement utility area. Evaluated current sump pump installation including basin condition, discharge piping configuration, pump operation, and electrical connections. Documented system setup with vertical PVC discharge pipe mounted to wall with proper securing, pump placement within circular basin, and water level conditions at time of inspection to provide comprehensive assessment for potential service or replacement recommendations.
Performed comprehensive tune-up and safety inspection on residential gas furnace system. Accessed internal components, verified proper operation of blower motor and gas valve assembly, inspected electrical connections and wiring harnesses, checked intake and exhaust venting system, and replaced air filter to ensure optimal system performance and efficiency.
Completed comprehensive tune-up and performance evaluation on residential HVAC system. Performed diagnostic testing using calibrated digital instrumentation to verify system operation, inspected control wiring and electrical connections within air handler unit, and confirmed proper functionality of both the LASKO outdoor temperature control panel and digital thermostat displaying accurate temperature and humidity readings at 70°F and 67% respectively.
Completed HVAC system estimate for full equipment replacement in residential property. Assessed existing ductwork system in attic space, including metal supply plenum and PVC condensate drainage lines. Documented current system configuration and access points through interior ceiling opening to provide comprehensive replacement proposal for new heating and cooling equipment installation.
Completed HVAC system installation in residential property including new air handler unit and associated components. Installed black cylindrical air handler in basement mechanical room with proper connections to existing ductwork and electrical systems. Routed refrigerant lines and condensate drainage per manufacturer specifications. Verified all mechanical connections, tested system operation, and confirmed proper airflow throughout the residence. Installation includes integration with existing water heater and plumbing infrastructure. All equipment secured and labeled according to code requirements. System tested and operational upon completion of warranty work.
Completed HVAC system installation and startup procedures. Performed system commissioning using digital manifold gauges to verify refrigerant pressures and temperatures, confirming proper charge levels with readings of 114 PSIG on the low side and 300+ PSIG on the high side at 152°F. Programmed and tested Nest smart thermostat, setting cooling setpoint to 70°F with system responding appropriately to reach target temperature.
# HVAC System Installation and Start-Up Completed installation and initial start-up of new HVAC system at residential property. Connected refrigerant manifold gauge set to system's service ports to verify proper refrigerant charge and system pressures. Monitored both high-side and low-side pressures during start-up sequence to ensure operation within manufacturer specifications. Verified all refrigerant line connections were secure and properly sealed. System started successfully with pressures reading within normal operating range. All electrical connections at outdoor disconnect verified and secured. Equipment left in proper operating condition with no leaks detected.
Completed furnace inspection and system evaluation in mechanical room. Documented HVAC equipment installation including air handler unit, ductwork configuration, and associated mechanical components. Verified proper mounting of equipment, inspected duct connections and sealing, and examined electrical wiring routing throughout the ceiling joists to ensure compliance with installation standards.
Conducted on-site evaluation of existing HVAC system in residential property with vaulted ceiling and exposed beam construction. Assessed current equipment specifications, measured available installation space, and provided comprehensive replacement estimate for new heating and cooling system to meet the home's comfort requirements.
Conducted inspection of basement plumbing infrastructure including PEX water supply lines, PVC drain lines, and associated mounting hardware. Documented existing pipe routing, support systems, and junction connections between wooden floor joists and along foundation wall to assess current installation condition and identify any maintenance requirements.
Completed comprehensive HVAC tune-up on outdoor heat pump unit. Removed top cover to access internal components, inspected compressor cavity, condensate drain pan, and refrigerant lines for proper operation. Verified electrical connections, tested control wiring and valve assembly, and confirmed all mechanical components are functioning within normal parameters.
Completed system start-up and commissioning of newly installed HVAC equipment using Fieldpiece SMAN digital manifold and Yellow Jacket Titan 4-valve gauge set. Verified proper refrigerant charge levels for R454B refrigerant, confirmed system pressures and temperatures were within manufacturer specifications, and documented all operational parameters to ensure optimal system performance.
Completed HVAC system installation and performed initial start-up procedures in residential basement location. Installed new ductwork with reflective insulation running parallel to existing floor joists, ensuring proper airflow distribution throughout the structure. System was energized, tested for proper operation, and all components verified to be functioning within manufacturer specifications.
Completed furnace inspection and system evaluation in residential basement mechanical area. Documented existing HVAC infrastructure including ductwork routing, supply and return air distribution systems, and equipment accessibility. Verified proper clearances around heating equipment and assessed overall mechanical room conditions. Insulated ductwork and copper plumbing lines were observed in good condition with appropriate mounting and support throughout the ceiling joists. All utility connections and structural installations were found to be properly secured and functioning as designed.
Completed scheduled HVAC maintenance on prepaid service plan. Inspected air filter and ductwork system, confirming proper airflow and system cleanliness. Filter media showed appropriate filtration capacity with clean pleated material visible through lattice frame design. Interior ductwork inspection revealed galvanized metal construction in good condition with clean surfaces and intact seams throughout the air distribution system.
# HVAC Complete System Installation Successfully completed a full HVAC system installation including both interior and exterior components. Installed new air handler unit in mechanical room on concrete pad with proper drainage provisions. Routed and secured copper refrigerant lines, electrical conduit, and condensate drainage lines throughout the installation. Mounted exterior condensing unit on building with appropriate line set penetrations through vinyl siding. Installed white PVC condensate drain lines with proper pitch and termination points at building exterior. Connected all electrical components including junction boxes and power supply conduit. Secured all refrigerant lines with proper insulation and bundling. Installed Amtrol expansion tank and associated plumbing connections. Completed all refrigerant line connections, pressure testing, and system evacuation. Energized system and verified proper operation of all components including heating and cooling cycles. All installat
Completed furnace inspection and maintenance in residential attic installation. Examined heat exchanger components showing normal patina and oxidation consistent with system age, confirmed structural integrity of ductwork connections and verified proper clearances around equipment. Assessed attic insulation placement around furnace area to ensure adequate ventilation and code-compliant spacing from heating components.
# HVAC Repair Summary Performed diagnostic inspection and component replacement on residential heating system. Accessed main unit compartment and replaced defective gas valve assembly with new OEM part, reconnecting all electrical connections including thermostat wiring and safety controls. Verified proper operation of ignition system, confirmed gas pressure settings, and tested all safety interlocks. System restored to full operational status with all components functioning within manufacturer specifications.
Completed prepaid HVAC maintenance visit and performed system diagnostics using digital multimeter. Measured electrical current at 0.26 amps and verified voltage readings, then conducted microamp testing showing -4.6 μA to assess system performance and ensure all electrical components were operating within normal parameters.
Completed prepaid HVAC maintenance visit on residential air handler system. Performed comprehensive inspection of unit, including visual examination of cabinet, electrical connections, refrigerant lines, and PVC drainage system with associated fittings and shut-off valves. All components found to be in proper working order with neat installation and no visible defects or concerns noted at time of service.