Reliable Home Services in Franklin

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

Thielmann - Slinger - Install 18

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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

Thielmann - New Berlin - Install Truck 18

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

Franklin, WI - 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.
Josh V.
Josh V. Checked in
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.
Franklin, WI 53132
Franklin, WI - 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.
Gabriel S.
Gabriel S. Checked in
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.
Franklin, WI 53132
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.
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.
Travis R.
Travis R. Checked in
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.
Franklin, WI 53132
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.
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.
Dave V.
Dave V. Checked in
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.
Franklin, WI 53132
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 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.
Ron B.
Ron B. Checked in
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.
Franklin, WI 53132
Franklin, WI - 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.
Adriel H.
Adriel H. Checked in
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.
Franklin, WI 53132
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.
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.
Dave V.
Dave V. Checked in
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.
Franklin, WI 53132
Conducted inspection of existing HVAC system located in basement service area accessible via narrow stairwell. Observed outdoor heat pump/AC unit showing signs of age with rusted fan hub and weathered components. Recommended complete system replacement due to deterioration and anticipated efficiency improvements.
Conducted inspection of existing HVAC system located in basement service area accessible via narrow stairwell. Observed outdoor heat pump/AC unit showing signs of age with rusted fan hub and weathered components. Recommended complete system replacement due to deterioration and anticipated efficiency improvements.
Dave V.
Dave V. Checked in
Conducted inspection of existing HVAC system located in basement service area accessible via narrow stairwell. Observed outdoor heat pump/AC unit showing signs of age with rusted fan hub and weathered components. Recommended complete system replacement due to deterioration and anticipated efficiency improvements.
Franklin, WI 53132
Franklin, WI - Performed routine maintenance inspection on Carrier furnace system located in basement utility area. Examined PVC ventilation/drainage components and checked connections to metal ductwork (16x24x4). System appears to be operating within normal parameters with all components properly installed and labeled.
Josh V.
Josh V. Checked in
Performed routine maintenance inspection on Carrier furnace system located in basement utility area. Examined PVC ventilation/drainage components and checked connections to metal ductwork (16x24x4). System appears to be operating within normal parameters with all components properly installed and labeled.
Franklin, WI 53132
Franklin, WI - Performed routine preventive maintenance on residential furnace system. Inspected furnace unit, exhaust PVC piping, ductwork, and electrical connections - all components found in good working condition. No issues requiring repair were identified during this scheduled maintenance visit.
Josh V.
Josh V. Checked in
Performed routine preventive maintenance on residential furnace system. Inspected furnace unit, exhaust PVC piping, ductwork, and electrical connections - all components found in good working condition. No issues requiring repair were identified during this scheduled maintenance visit.
Franklin, WI 53132
Completed installation of a new Lennox HVAC complete system in the utility area. Mounted main furnace unit on concrete floor against wood-paneled wall, connected proper PVC ventilation piping with multiple elbows extending upward. Installed and connected all required ductwork with appropriate metal fittings to ensure optimal system performance.
Completed installation of a new Lennox HVAC complete system in the utility area. Mounted main furnace unit on concrete floor against wood-paneled wall, connected proper PVC ventilation piping with multiple elbows extending upward. Installed and connected all required ductwork with appropriate metal fittings to ensure optimal system performance.
Aaron A.
Aaron A. Checked in
Completed installation of a new Lennox HVAC complete system in the utility area. Mounted main furnace unit on concrete floor against wood-paneled wall, connected proper PVC ventilation piping with multiple elbows extending upward. Installed and connected all required ductwork with appropriate metal fittings to ensure optimal system performance.
Franklin, WI 53132
Diagnosed and repaired faulty wiring connections at the gas valve of a newer furnace that was not producing heat. Inspection revealed loose and improperly terminated control wires at the valve, causing intermittent operation. Rewired connections using proper termination methods and verified proper system operation through complete heating cycle testing.
Diagnosed and repaired faulty wiring connections at the gas valve of a newer furnace that was not producing heat. Inspection revealed loose and improperly terminated control wires at the valve, causing intermittent operation. Rewired connections using proper termination methods and verified proper system operation through complete heating cycle testing.
Ron B.
Ron B. Checked in
Diagnosed and repaired faulty wiring connections at the gas valve of a newer furnace that was not producing heat. Inspection revealed loose and improperly terminated control wires at the valve, causing intermittent operation. Rewired connections using proper termination methods and verified proper system operation through complete heating cycle testing.
Franklin, WI 53132
Performed routine HVAC tune-up service, including electrical diagnostic testing with SC680 clamp meter showing nominal voltage readings of 3.36A. Inspected and verified proper connections of motor assembly wiring, confirming all terminal connections were secure with no signs of wear or damage to the green ground wire and multicolored control wires (red, yellow, white).
Performed routine HVAC tune-up service, including electrical diagnostic testing with SC680 clamp meter showing nominal voltage readings of 3.36A. Inspected and verified proper connections of motor assembly wiring, confirming all terminal connections were secure with no signs of wear or damage to the green ground wire and multicolored control wires (red, yellow, white).
Carlos R.
Carlos R. Checked in
Performed routine HVAC tune-up service, including electrical diagnostic testing with SC680 clamp meter showing nominal voltage readings of 3.36A. Inspected and verified proper connections of motor assembly wiring, confirming all terminal connections were secure with no signs of wear or damage to the green ground wire and multicolored control wires (red, yellow, white).
Franklin, WI 53132
Completed installation of a Rheem Professional water heater in utility area. System includes PVC piping configuration with appropriate valves and wall penetrations. Installed all necessary connections including supply lines, drainage components, and verified proper electrical hookup via flexible conduit.
Completed installation of a Rheem Professional water heater in utility area. System includes PVC piping configuration with appropriate valves and wall penetrations. Installed all necessary connections including supply lines, drainage components, and verified proper electrical hookup via flexible conduit.
Michael Y.
Michael Y. Checked in
Completed installation of a Rheem Professional water heater in utility area. System includes PVC piping configuration with appropriate valves and wall penetrations. Installed all necessary connections including supply lines, drainage components, and verified proper electrical hookup via flexible conduit.
Franklin, WI 53132
Franklin, WI - Diagnosed and serviced furnace that was not producing heat. Inspection of internal components revealed faulty flame sensor causing ignition failure. Cleaned flame sensor of carbon buildup and tested system through multiple heating cycles to confirm proper operation and flame detection. Unit now operating within manufacturer specifications.
Adriel H.
Adriel H. Checked in
Diagnosed and serviced furnace that was not producing heat. Inspection of internal components revealed faulty flame sensor causing ignition failure. Cleaned flame sensor of carbon buildup and tested system through multiple heating cycles to confirm proper operation and flame detection. Unit now operating within manufacturer specifications.
Franklin, WI 53132
Franklin, WI - Performed inspection of rooftop unit during winter conditions. Identified snow accumulation around ventilation stack and on metal roof panels. Verified exhaust stack integrity and proper clearance from snow buildup to maintain proper system operation and ventilation.
Nate G.
Nate G. Checked in
Performed inspection of rooftop unit during winter conditions. Identified snow accumulation around ventilation stack and on metal roof panels. Verified exhaust stack integrity and proper clearance from snow buildup to maintain proper system operation and ventilation.
Franklin, WI 53132
Completed installation of a new HVAC system in the basement utility area. Removed old equipment, installed new unit with proper connections to existing plumbing stack and ductwork. Secured all piping and electrical components to code standards and verified system operation before completing service.
Completed installation of a new HVAC system in the basement utility area. Removed old equipment, installed new unit with proper connections to existing plumbing stack and ductwork. Secured all piping and electrical components to code standards and verified system operation before completing service.
Jim K.
Jim K. Checked in
Completed installation of a new HVAC system in the basement utility area. Removed old equipment, installed new unit with proper connections to existing plumbing stack and ductwork. Secured all piping and electrical components to code standards and verified system operation before completing service.
Franklin, WI 53132
Franklin, WI - Performed comprehensive tune-up on residential furnace system, including inspection of internal components, electrical connections, and gas valve assembly. Removed front panel to check motor assembly functionality and verified proper operation of venting system with PVC pipes. All components were found in working order with no issues detected during service.
Adriel H.
Adriel H. Checked in
Performed comprehensive tune-up on residential furnace system, including inspection of internal components, electrical connections, and gas valve assembly. Removed front panel to check motor assembly functionality and verified proper operation of venting system with PVC pipes. All components were found in working order with no issues detected during service.
Franklin, WI 53132
Performed site assessment of existing snow-covered Carrier outdoor condenser unit exhibiting signs of age and potential inefficiency. Recommended full system replacement based on observed condition, including accumulated snow on unit which may indicate poor heat transfer and reduced system performance. Documented current installation location adjacent to house with proper electrical disconnect in place for reference during replacement planning.
Performed site assessment of existing snow-covered Carrier outdoor condenser unit exhibiting signs of age and potential inefficiency. Recommended full system replacement based on observed condition, including accumulated snow on unit which may indicate poor heat transfer and reduced system performance. Documented current installation location adjacent to house with proper electrical disconnect in place for reference during replacement planning.
Dave V.
Dave V. Checked in
Performed site assessment of existing snow-covered Carrier outdoor condenser unit exhibiting signs of age and potential inefficiency. Recommended full system replacement based on observed condition, including accumulated snow on unit which may indicate poor heat transfer and reduced system performance. Documented current installation location adjacent to house with proper electrical disconnect in place for reference during replacement planning.
Franklin, WI 53132
Responded to no-heat complaint on a newer furnace system (under 10 years old). Upon inspection, identified and replaced faulty flame sensor that was preventing proper ignition sequence. System now operating correctly with normal heat output and flame detection. All safety components verified functional before returning unit to service.
Responded to no-heat complaint on a newer furnace system (under 10 years old). Upon inspection, identified and replaced faulty flame sensor that was preventing proper ignition sequence. System now operating correctly with normal heat output and flame detection. All safety components verified functional before returning unit to service.
Kevin C.
Kevin C. Checked in
Responded to no-heat complaint on a newer furnace system (under 10 years old). Upon inspection, identified and replaced faulty flame sensor that was preventing proper ignition sequence. System now operating correctly with normal heat output and flame detection. All safety components verified functional before returning unit to service.
Franklin, WI 53132
Start Saving Today With

Membership Perks

Start Saving Today With

Membership Perks

What To Expect

Discover the Thielmann Heating, Cooling & Plumbing Difference

Fully Licensed & Insured

Our experts have the expertise and training to deliver the highest quality services every time.

Trusted Since 1929

We have served Southeastern Wisconsin for nearly a century, so we understand the needs of our community.

Financing Available

We offer various options from financing partners to help you meet your specific needs and budget.

5-Star Customer Service

Thielmann Heating, Cooling & Plumbing promises five-star customer service with every interaction.

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every service we perform.

Fully Licensed & Insured

Our experts have the expertise and training to deliver the highest quality services every time.

Trusted Since 1929

We have served Southeastern Wisconsin for nearly a century, so we understand the needs of our community.

Financing Available

We offer various options from financing partners to help you meet your specific needs and budget.

5-Star Customer Service

Thielmann Heating, Cooling & Plumbing promises five-star customer service with every interaction.

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

Our team is dedicated to ensuring your 100% satisfaction with every service we perform.

Review Image
Our Reviews

See What Your Neighbors Are Saying

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…

De'Angelo T.

De'Angelo T.

Excellent team from start to finish. They were all very respectful of our property, as they promptly and professionally went about their task of installing a new air conditioner system. The system works very well, so far. It is also much quieter than the previous 40+…

Jerry W.

Jerry W.

Thielmann did a tremendous job replacing our Carrier furnace. They worked with us to make sure we were able to get the right product and even worked with Carrier on the issues we were seeing on our old furnace as it was failing sooner than it…

J. K.

J. K.

I've been using Thielmann Group for all my heating and air conditioning since I built my house 23 years ago. They have been great in emergency service and regular maintenance service. On time and very friendly staff. Would, and have, recommend them to anyone!

Paul K.

Paul K.

I have used Thielmann for both installation of a new furnace + A/C recently, but also an install of a ductless mini-split unit six years ago. I fully trust their brands and recommendations. I can't say enough of about this company. Every single person from administrative…

Christin C.

Christin C.