HVAC Repair Services In Milwaukee, WI | Book Appointment

Professional HVAC Repair Services in Milwaukee, WI

Thielmann - Milwaukee - Art Museum 14

When it comes to keeping your home comfortable year-round in Milwaukee, Wisconsin, having reliable heating, air conditioning, and HVAC systems should not be overlooked. If you are looking for quality home services, you are in good company.

Our team of contractors offers industry-leading air conditioning, heating, and HVAC repair services in Milwaukee and will work with you to ensure your home stays cozy all year long. Trust the Thielmann Group to get the job done right. Contact our professionals at (262) 299-6197 to book an appointment and receive assistance with a defective HVAC system.

Air Conditioning Repair Services

Our air conditioning repair services are designed to address any issues such as strange noises and insufficient cooling. If you experience rising energy bills, unusual odors, loud noises, or hot air blowing out of your unit, contact our professionals for support.

Air Conditioner Replacement and Installation Services

A malfunctioning air conditioner is the last thing you want to deal with during a hot and humid summer in Milwaukee.. Our team helps you select the right unit for your home’s size and cooling needs.

Air conditioners are not meant to last forever. You might need an air conditioner replacement service if your unit is experiencing frequent breakdowns, blowing uneven air, or is over 10 years old. If you notice any of these problems, consider contacting us for reliable AC replacement services.

Sometimes, repairs aren’t sufficient. If your air conditioner is beyond repair or you are looking to upgrade to a more energy-efficient model, the Thielmann Group offers replacement and installation services to suit your needs.

Ductless Mini-Split Services

From warm summer days to cold winter nights, there is no temperature a ductless mini-split HVAC system can’t handle. For homes without ductwork or those seeking more flexible cooling options, ductless mini-split systems are a great solution. Our professionals provide installation, repair, and maintenance services for ductless mini-split systems in Milwaukee and Southeastern Wisconsin.

Furnace Repair and Tune-Up Services

Going through a winter in Wisconsin without a functioning furnace is like wearing sandals in the snow—it’s not smart. Luckily, our team offers a variety of HVAC services for local residents in Milwaukee including furnace repair options.

We will make sure your heating system functions properly when you need it most. From minor repairs to major maintenance, there is nothing our technicians can’t handle. Contact us if your furnace is not producing heat, leaking fluids, making strange noises, or short cycling.

Furnace Installation and Replacement Services

If it’s time to replace your old furnace or install a new one, our team offers expert furnace installation services tailored to your heating needs.

Our professionals will guide you through the selection process, ensuring you choose a furnace that meets your efficiency and comfort requirements, and handle the installation with precision and care.

Milwaukee, Wisconsin HVAC Repair Services

Heat Pump System Installation and Maintenance Services

Did you know a heat pump system heats and cools your home? This heating and cooling versatility makes heat pumps a popular choice for residents in the local Milwaukee area.

Heat pumps offer year-round comfort, consistent temperature control, and improved energy efficiency for homeowners in Southeastern Wisconsin. Plus, they are much better for the environment.

Boiler Installation and Repair Services

As energy costs continue to rise, many homeowners are turning to energy-efficient boilers. Boilers are designed to heat water which is then dispersed as steam through your radiators.

Whether your old system is aging itself out or you need maintenance, our team of technicians have you covered with comprehensive boiler repair services. Get in touch with us if you notice common boiler problems like foul odors, strange noises, a yellow pilot light, or insufficient heat.

Ductwork and Indoor Air Quality Services

Old ductwork can impact your indoor air quality, especially if it develops cracks or gaps. Unfortunately, ductwork problems happen, and when they do, our team is available to provide you with superior air duct repair services to restore air circulation in your house.

Signs like uneven cooling, rising energy bills, loud noises, and the presence of mold all warrant a call to our technicians. Our team offers trustworthy ductwork and HVAC services for homeowners in Milwaukee, Wisconsin and will work with you to restore airflow throughout your system.

Expert Plumbing Services in Milwaukee, WI

Plumbing problems often occur without warning, interrupting your routine and leaving you in a messy situation. When moments like this happen, you need a team of experts who respond fast and fix the problem the right way the first time. Thielmann Heating, Cooling, and Plumbing has a team of Milwaukee plumbers who are trained to handle any problem your home throws your way with professional, quality workmanship. From clogged drains to broken water heaters, our licensed plumbers handle every job with precision and care.

We are able to handle a wide array of plumbing problems in homes both old and new. Our team uses proven repair methods and high-quality parts to ensure every fix lasts. Whether you need a new fixture installed, pipes replaced, or a sump pump serviced, we make the process simple and stress-free. If your water heater struggles to deliver consistent hot water, we can install or repair both standard and tankless units to match your household needs.

Milwaukee homeowners count on us for:

  • Water heater repairs, replacements, and maintenance to keep your showers hot and steady.
  • Fast drain cleaning and clog removal to keep your plumbing flowing freely.
  • Fixture installation and repair for sinks, faucets, and toilets that work the way they should.
  • Leak detection and pipe replacement to stop water waste and protect your home.
  • Sump pump installation and maintenance to prevent basement flooding.
  • Garbage disposal repair and installation to make kitchen cleanup simple.
  • Water softener and filtration system installation for cleaner, fresher water in every tap.

We offer regular plumbing inspections to find small leaks or corrosion early before they cause expensive water damage. Keeping your plumbing in good shape helps lower costs, reduce waste, and extend the life of your system. Thielmann Heating, Cooling, and Plumbing proudly serves Milwaukee with honest recommendations, clear pricing, and dependable service that keeps your home running right. Call us today at (262) 299-6197 to book your plumbing appointment.

Milwaukee, Wisconsin HVAC Repair Services

Enjoy the Local Attractions in Milwaukee and Worry Less About Heating and Air Conditioning Issues

One of the advantages of working with our team of professionals is having more time to explore the local Milwaukee, Wisconsin area. Our team will fix your broken furnace or HVAC system to ensure you are able to enjoy your weekend with friends or family in Milwaukee. The city boasts an array of fun attractions for visitors and residents.

Take a stroll along the Milwaukee Riverwalk, where you can enjoy views of the city skyline. Between the shops and restaurants, you can check out the Milwaukee Art Museum and the famous Harley-Davidson Museum.

For a taste of the rich brewing heritage in Milwaukee, don’t miss a visit to Best Place at the Historic Pabst Brewery, where you can take a guided tour and sample some of Wisconsin’s classic brews. Sports enthusiasts can also catch a game at the iconic Fiserv Forum or check out the American Family Field.

Whatever you choose to do, you can come home to comfort thanks to our team. Our crew will work hard to keep your house safe and comfortable throughout the summer or winter seasons.

Milwaukee, Wisconsin HVAC Repair Services

Book a Heating or Cooling Appointment With Our Team in Milwaukee

Milwaukee is one of America’s greatest cities, and we are proud to have been servicing its residents for nearly 100 years. Whether you require a brand-new air conditioner or assistance diagnosing a furnace issue, we’re here to assist you.

Call our team of HVAC contractors at (262) 299-6197 to schedule a service today and get peace of mind knowing your heating and air conditioning systems are in good hands.

Read Reviews by Our Customers

Recent Jobs and Reviews in Milwaukee, WI

Job Locations and Reviews

Inspected attic ductwork system and identified flexible ducts with damaged insulation and exposed areas requiring attention. Observed black insulated pipes with manufacturer markings showing signs of wear in the confined space. Recommended replacement of deteriorated flexible ductwork sections and proper resealing of insulation to improve system efficiency and prevent energy loss.
Inspected attic ductwork system and identified flexible ducts with damaged insulation and exposed areas requiring attention. Observed black insulated pipes with manufacturer markings showing signs of wear in the confined space. Recommended replacement of deteriorated flexible ductwork sections and proper resealing of insulation to improve system efficiency and prevent energy loss.
Michael Y.
Michael Y. Checked in
Inspected attic ductwork system and identified flexible ducts with damaged insulation and exposed areas requiring attention. Observed black insulated pipes with manufacturer markings showing signs of wear in the confined space. Recommended replacement of deteriorated flexible ductwork sections and proper resealing of insulation to improve system efficiency and prevent energy loss.
Milwaukee, WI 53228
During routine HVAC tune-up, discovered a significant crack in the blower wheel housing that was affecting system performance. Inspected motor assembly and capacitors which showed normal dust accumulation but no electrical issues. Replaced damaged blower wheel assembly to restore proper airflow and system functionality.
During routine HVAC tune-up, discovered a significant crack in the blower wheel housing that was affecting system performance. Inspected motor assembly and capacitors which showed normal dust accumulation but no electrical issues. Replaced damaged blower wheel assembly to restore proper airflow and system functionality.
Josh V.
Josh V. Checked in
During routine HVAC tune-up, discovered a significant crack in the blower wheel housing that was affecting system performance. Inspected motor assembly and capacitors which showed normal dust accumulation but no electrical issues. Replaced damaged blower wheel assembly to restore proper airflow and system functionality.
Milwaukee, WI 53207
Inspected plumbing system and identified significant corrosion and oxidation on metal pipe fittings, particularly at T-junction/valve assembly and connection points. Documented extensive rust formation on aging pipes in utility area, with deterioration most severe at junction points.
Inspected plumbing system and identified significant corrosion and oxidation on metal pipe fittings, particularly at T-junction/valve assembly and connection points. Documented extensive rust formation on aging pipes in utility area, with deterioration most severe at junction points.
Dan E.
Dan E. Checked in
Inspected plumbing system and identified significant corrosion and oxidation on metal pipe fittings, particularly at T-junction/valve assembly and connection points. Documented extensive rust formation on aging pipes in utility area, with deterioration most severe at junction points.
Milwaukee, WI 53225
Performed routine HVAC system tune-up with comprehensive electrical diagnostic testing using a Fieldpiece SC680 multimeter. Readings showed 62.19 on the measurement device, indicating proper electrical parameters. Inspected and adjusted internal mechanical components including valves and fittings to ensure optimal system performance.
Performed routine HVAC system tune-up with comprehensive electrical diagnostic testing using a Fieldpiece SC680 multimeter. Readings showed 62.19 on the measurement device, indicating proper electrical parameters. Inspected and adjusted internal mechanical components including valves and fittings to ensure optimal system performance.
Carlos R.
Carlos R. Checked in
Performed routine HVAC system tune-up with comprehensive electrical diagnostic testing using a Fieldpiece SC680 multimeter. Readings showed 62.19 on the measurement device, indicating proper electrical parameters. Inspected and adjusted internal mechanical components including valves and fittings to ensure optimal system performance.
Milwaukee, WI 53222
Completed warranty installation of residential HVAC system in basement utility area, including proper mounting of furnace unit with all required copper and PVC piping connections. Installed system features red control valve and multiple brass fittings, with all components securely fastened to ceiling joists and structural framework for optimal performance.
Completed warranty installation of residential HVAC system in basement utility area, including proper mounting of furnace unit with all required copper and PVC piping connections. Installed system features red control valve and multiple brass fittings, with all components securely fastened to ceiling joists and structural framework for optimal performance.
Derik B.
Derik B. Checked in
Completed warranty installation of residential HVAC system in basement utility area, including proper mounting of furnace unit with all required copper and PVC piping connections. Installed system features red control valve and multiple brass fittings, with all components securely fastened to ceiling joists and structural framework for optimal performance.
Milwaukee, WI 53221
Performed routine tune-up on residential HVAC system, including furnace and associated components. Inspected water heater connections, checked all copper and PVC piping for proper seals, and verified system operation. All equipment functioning normally with no issues detected.
Performed routine tune-up on residential HVAC system, including furnace and associated components. Inspected water heater connections, checked all copper and PVC piping for proper seals, and verified system operation. All equipment functioning normally with no issues detected.
Makinze C.
Makinze C. Checked in
Performed routine tune-up on residential HVAC system, including furnace and associated components. Inspected water heater connections, checked all copper and PVC piping for proper seals, and verified system operation. All equipment functioning normally with no issues detected.
Milwaukee, WI 53224
Performed routine tune-up on HVAC system, inspecting electrical connections and securing loose wiring with cable ties. Conducted amperage testing using SC680 multimeter, measuring 4.0 μA DC current draw on control board circuitry to verify proper electrical operation of the unit.
Performed routine tune-up on HVAC system, inspecting electrical connections and securing loose wiring with cable ties. Conducted amperage testing using SC680 multimeter, measuring 4.0 μA DC current draw on control board circuitry to verify proper electrical operation of the unit.
Carlos R.
Carlos R. Checked in
Performed routine tune-up on HVAC system, inspecting electrical connections and securing loose wiring with cable ties. Conducted amperage testing using SC680 multimeter, measuring 4.0 μA DC current draw on control board circuitry to verify proper electrical operation of the unit.
Milwaukee, WI 53211
MILWAUKEE, WI - Performed routine maintenance service on ThermoPrice furnace located in utility room. Inspected unit's control panel, ventilation system, and ductwork connections. All components functioning properly with no issues detected.
Carlos R.
Carlos R. Checked in
Performed routine maintenance service on ThermoPrice furnace located in utility room. Inspected unit's control panel, ventilation system, and ductwork connections. All components functioning properly with no issues detected.
MILWAUKEE, WI 53207
Inspected basement HVAC system with focus on PVC condensate drain lines. Secured parallel white PVC pipes with zip tie to prevent movement and ensure proper drainage. Verified connection points at foundation wall and confirmed no leaks or blockages in the drainage system.
Inspected basement HVAC system with focus on PVC condensate drain lines. Secured parallel white PVC pipes with zip tie to prevent movement and ensure proper drainage. Verified connection points at foundation wall and confirmed no leaks or blockages in the drainage system.
Adriel H.
Adriel H. Checked in
Inspected basement HVAC system with focus on PVC condensate drain lines. Secured parallel white PVC pipes with zip tie to prevent movement and ensure proper drainage. Verified connection points at foundation wall and confirmed no leaks or blockages in the drainage system.
Milwaukee, WI 53221
Conducted assessment of existing HVAC system in basement utility room, including Smith water heater and furnace with connected PVC ventilation. System evaluation revealed need for complete replacement of aging equipment. Documented current configuration of ductwork, water connections, and ventilation requirements to prepare comprehensive replacement estimate.
Conducted assessment of existing HVAC system in basement utility room, including Smith water heater and furnace with connected PVC ventilation. System evaluation revealed need for complete replacement of aging equipment. Documented current configuration of ductwork, water connections, and ventilation requirements to prepare comprehensive replacement estimate.
Dave V.
Dave V. Checked in
Conducted assessment of existing HVAC system in basement utility room, including Smith water heater and furnace with connected PVC ventilation. System evaluation revealed need for complete replacement of aging equipment. Documented current configuration of ductwork, water connections, and ventilation requirements to prepare comprehensive replacement estimate.
Milwaukee, WI 53207
Conducted inspection of existing ductwork system in unfinished basement area. Observed exposed metal ducts running between ceiling joists with visible silver insulation. Evaluated system configuration for potential modifications to accommodate basement repurposing as home gym space while maintaining proper airflow distribution.
Conducted inspection of existing ductwork system in unfinished basement area. Observed exposed metal ducts running between ceiling joists with visible silver insulation. Evaluated system configuration for potential modifications to accommodate basement repurposing as home gym space while maintaining proper airflow distribution.
Steven S.
Steven S. Checked in
Conducted inspection of existing ductwork system in unfinished basement area. Observed exposed metal ducts running between ceiling joists with visible silver insulation. Evaluated system configuration for potential modifications to accommodate basement repurposing as home gym space while maintaining proper airflow distribution.
Milwaukee, WI 53222
Completed installation of an NTI boiler system mounted on plywood backing with comprehensive copper pipe network. Installation included pressure gauge, multiple shut-off valves with identification tags, circulation pump, and digital control panel programming. All connections were properly secured with appropriate mounting brackets and system was tested for proper operation.
Completed installation of an NTI boiler system mounted on plywood backing with comprehensive copper pipe network. Installation included pressure gauge, multiple shut-off valves with identification tags, circulation pump, and digital control panel programming. All connections were properly secured with appropriate mounting brackets and system was tested for proper operation.
Derik B.
Derik B. Checked in
Completed installation of an NTI boiler system mounted on plywood backing with comprehensive copper pipe network. Installation included pressure gauge, multiple shut-off valves with identification tags, circulation pump, and digital control panel programming. All connections were properly secured with appropriate mounting brackets and system was tested for proper operation.
Milwaukee, WI 53221
Completed installation of new furnace unit in unfinished basement utility room. System was properly mounted on concrete floor with all necessary drainage and ventilation components connected. Final inspection confirmed proper placement of unit with adequate clearance for service access.
Completed installation of new furnace unit in unfinished basement utility room. System was properly mounted on concrete floor with all necessary drainage and ventilation components connected. Final inspection confirmed proper placement of unit with adequate clearance for service access.
Hayden L.
Hayden L. Checked in
Completed installation of new furnace unit in unfinished basement utility room. System was properly mounted on concrete floor with all necessary drainage and ventilation components connected. Final inspection confirmed proper placement of unit with adequate clearance for service access.
Milwaukee, WI 53218
Performed diagnostic testing on HVAC system using SC680 multimeter, which recorded electrical readings of 595.1 volts. Replaced standard air filter with new Honeywell 1000 series pleated filter to improve system efficiency and air quality.
Performed diagnostic testing on HVAC system using SC680 multimeter, which recorded electrical readings of 595.1 volts. Replaced standard air filter with new Honeywell 1000 series pleated filter to improve system efficiency and air quality.
Makinze C.
Makinze C. Checked in
Performed diagnostic testing on HVAC system using SC680 multimeter, which recorded electrical readings of 595.1 volts. Replaced standard air filter with new Honeywell 1000 series pleated filter to improve system efficiency and air quality.
Milwaukee, WI 53202
Conducted comprehensive assessment of existing HVAC system, documenting condition of aging furnace unit with visible dust accumulation and deteriorating components. Evaluated ductwork configuration and pipe connections in utility area, noting current installation includes copper piping and PVC drainage system. Recommended complete system replacement due to efficiency concerns and wear observed on internal components including wiring harnesses, circuit boards and control mechanisms.
Conducted comprehensive assessment of existing HVAC system, documenting condition of aging furnace unit with visible dust accumulation and deteriorating components. Evaluated ductwork configuration and pipe connections in utility area, noting current installation includes copper piping and PVC drainage system. Recommended complete system replacement due to efficiency concerns and wear observed on internal components including wiring harnesses, circuit boards and control mechanisms.
Bryan P.
Bryan P. Checked in
Conducted comprehensive assessment of existing HVAC system, documenting condition of aging furnace unit with visible dust accumulation and deteriorating components. Evaluated ductwork configuration and pipe connections in utility area, noting current installation includes copper piping and PVC drainage system. Recommended complete system replacement due to efficiency concerns and wear observed on internal components including wiring harnesses, circuit boards and control mechanisms.
Milwaukee, WI 53218
Performed routine tune-up on Concord furnace system located in basement utility room. Inspected burner assembly and verified proper blue flame pattern across all burners, indicating complete combustion. Checked all ductwork connections and system components for proper installation and operation.
Performed routine tune-up on Concord furnace system located in basement utility room. Inspected burner assembly and verified proper blue flame pattern across all burners, indicating complete combustion. Checked all ductwork connections and system components for proper installation and operation.
Makinze C.
Makinze C. Checked in
Performed routine tune-up on Concord furnace system located in basement utility room. Inspected burner assembly and verified proper blue flame pattern across all burners, indicating complete combustion. Checked all ductwork connections and system components for proper installation and operation.
Milwaukee, WI 53213
Milwaukee, WI - Replaced faulty control board in HVAC system after diagnosing intermittent operation issues. Installed new circuit board with updated relay and terminal connections, then verified proper system functionality through comprehensive testing of all operational modes.
Kevin P.
Kevin P. Checked in
Replaced faulty control board in HVAC system after diagnosing intermittent operation issues. Installed new circuit board with updated relay and terminal connections, then verified proper system functionality through comprehensive testing of all operational modes.
Milwaukee, WI 53204
Installed new sump pump system in basement, including vertical PVC discharge pipe with proper connections. System was mounted securely to concrete block wall with all necessary components for effective water removal. Verified proper operation before completion.
Installed new sump pump system in basement, including vertical PVC discharge pipe with proper connections. System was mounted securely to concrete block wall with all necessary components for effective water removal. Verified proper operation before completion.
Dan E.
Dan E. Checked in
Installed new sump pump system in basement, including vertical PVC discharge pipe with proper connections. System was mounted securely to concrete block wall with all necessary components for effective water removal. Verified proper operation before completion.
Milwaukee, WI 53224
Performed commercial tune-up on Frigidaire high-efficiency (95.0 AFUE) furnace with SmartLite ignition system. Conducted microamp testing with Fieldpiece SC680 multimeter, measuring flame rectification current at -30.0 μA, which falls within manufacturer specifications. Inspected all electrical connections and verified proper operation of heating system components.
Performed commercial tune-up on Frigidaire high-efficiency (95.0 AFUE) furnace with SmartLite ignition system. Conducted microamp testing with Fieldpiece SC680 multimeter, measuring flame rectification current at -30.0 μA, which falls within manufacturer specifications. Inspected all electrical connections and verified proper operation of heating system components.
Carlos R.
Carlos R. Checked in
Performed commercial tune-up on Frigidaire high-efficiency (95.0 AFUE) furnace with SmartLite ignition system. Conducted microamp testing with Fieldpiece SC680 multimeter, measuring flame rectification current at -30.0 μA, which falls within manufacturer specifications. Inspected all electrical connections and verified proper operation of heating system components.
Milwaukee, WI 53210
Milwaukee, WI - Performed comprehensive tune-up service on Carrier HVAC furnace system. Inspected internal components including circuit boards, wiring connections, and gas/refrigerant lines. Unit was reassembled after verification of proper operation and safety systems.
Adriel H.
Adriel H. Checked in
Performed comprehensive tune-up service on Carrier HVAC furnace system. Inspected internal components including circuit boards, wiring connections, and gas/refrigerant lines. Unit was reassembled after verification of proper operation and safety systems.
Milwaukee, WI 53219
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.