HVAC Repair Services In Milwaukee, WI | Book Appointment

Professional HVAC Repair Services in Milwaukee, WI

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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

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
Milwaukee, WI - Conducted comprehensive assessment of existing HVAC system including metal furnace unit with associated ductwork and pressure components. Identified potential moisture concerns evidenced by water staining on adjacent concrete block wall. Documented system condition with photographs for complete evaluation of indoor air quality factors and equipment performance.
Steven S.
Steven S. Checked in
Conducted comprehensive assessment of existing HVAC system including metal furnace unit with associated ductwork and pressure components. Identified potential moisture concerns evidenced by water staining on adjacent concrete block wall. Documented system condition with photographs for complete evaluation of indoor air quality factors and equipment performance.
Milwaukee, WI 53224
Conducted comprehensive assessment of existing HVAC system and electrical service panel. Documented Rheem furnace installation with connected ductwork and exhaust ventilation in utility area. Verified electrical panel configuration and wiring connections to ensure compatibility with proposed replacement system.
Conducted comprehensive assessment of existing HVAC system and electrical service panel. Documented Rheem furnace installation with connected ductwork and exhaust ventilation in utility area. Verified electrical panel configuration and wiring connections to ensure compatibility with proposed replacement system.
Dave V.
Dave V. Checked in
Conducted comprehensive assessment of existing HVAC system and electrical service panel. Documented Rheem furnace installation with connected ductwork and exhaust ventilation in utility area. Verified electrical panel configuration and wiring connections to ensure compatibility with proposed replacement system.
Milwaukee, WI 53219
Successfully installed new high-efficiency boiler system in basement utility room, including complete copper piping network with brass fittings and valves. Integrated digital control panel and circulation pump with all necessary components, including expansion tank and PVC venting. System was tested and verified for proper operation.
Successfully installed new high-efficiency boiler system in basement utility room, including complete copper piping network with brass fittings and valves. Integrated digital control panel and circulation pump with all necessary components, including expansion tank and PVC venting. System was tested and verified for proper operation.
Derik B.
Derik B. Checked in
Successfully installed new high-efficiency boiler system in basement utility room, including complete copper piping network with brass fittings and valves. Integrated digital control panel and circulation pump with all necessary components, including expansion tank and PVC venting. System was tested and verified for proper operation.
Milwaukee, WI 53202
Performed scheduled prepaid maintenance on HVAC system. Inspected and cleaned ductwork, verifying proper UV light installation and functionality. Examined furnace burners, noting consistent blue flame pattern with one burner showing orange/red flame requiring adjustment for optimal combustion efficiency.
Performed scheduled prepaid maintenance on HVAC system. Inspected and cleaned ductwork, verifying proper UV light installation and functionality. Examined furnace burners, noting consistent blue flame pattern with one burner showing orange/red flame requiring adjustment for optimal combustion efficiency.
Makinze C.
Makinze C. Checked in
Performed scheduled prepaid maintenance on HVAC system. Inspected and cleaned ductwork, verifying proper UV light installation and functionality. Examined furnace burners, noting consistent blue flame pattern with one burner showing orange/red flame requiring adjustment for optimal combustion efficiency.
Milwaukee, WI 53223
Milwaukee, WI - Completed installation of a new water heater system in utility room, including proper connection of copper supply lines, installation of expansion tank, and verification of all fittings. System was tested for proper operation and pressure, with no leaks detected.
Hayden L.
Hayden L. Checked in
Completed installation of a new water heater system in utility room, including proper connection of copper supply lines, installation of expansion tank, and verification of all fittings. System was tested for proper operation and pressure, with no leaks detected.
Milwaukee, WI 53222
Responded to no-heat call for system less than 10 years old. Diagnostic testing with dual port manometer revealed gas pressure readings of 141-142 WC, which was within manufacturer specifications. Inspected control board for potential issues, found all connections secure with no visible damage to components or wiring.
Responded to no-heat call for system less than 10 years old. Diagnostic testing with dual port manometer revealed gas pressure readings of 141-142 WC, which was within manufacturer specifications. Inspected control board for potential issues, found all connections secure with no visible damage to components or wiring.
Josh V.
Josh V. Checked in
Responded to no-heat call for system less than 10 years old. Diagnostic testing with dual port manometer revealed gas pressure readings of 141-142 WC, which was within manufacturer specifications. Inspected control board for potential issues, found all connections secure with no visible damage to components or wiring.
Milwaukee, WI 53207
Performed routine HVAC tune-up service including replacement of customer's Filtrete 16×25×4 air filters. Conducted electrical diagnostic testing with Fieldpiece SC680 multimeter, confirming system voltage at 264V, which is within acceptable parameters for the equipment. All components functioning properly after service completion.
Performed routine HVAC tune-up service including replacement of customer's Filtrete 16×25×4 air filters. Conducted electrical diagnostic testing with Fieldpiece SC680 multimeter, confirming system voltage at 264V, which is within acceptable parameters for the equipment. All components functioning properly after service completion.
Makinze C.
Makinze C. Checked in
Performed routine HVAC tune-up service including replacement of customer's Filtrete 16×25×4 air filters. Conducted electrical diagnostic testing with Fieldpiece SC680 multimeter, confirming system voltage at 264V, which is within acceptable parameters for the equipment. All components functioning properly after service completion.
Milwaukee, WI 53222
Inspected brick wall passthrough for HVAC system and evaluated ventilation integrity around water heater installation. Conducted diagnostic testing with digital pressure gauge to verify proper system operation and ensure compliance with ventilation requirements.
Inspected brick wall passthrough for HVAC system and evaluated ventilation integrity around water heater installation. Conducted diagnostic testing with digital pressure gauge to verify proper system operation and ensure compliance with ventilation requirements.
Ron B.
Ron B. Checked in
Inspected brick wall passthrough for HVAC system and evaluated ventilation integrity around water heater installation. Conducted diagnostic testing with digital pressure gauge to verify proper system operation and ensure compliance with ventilation requirements.
Milwaukee, WI 53207
Performed routine maintenance on GE tanked water heater, including complete system flush to remove sediment buildup. Inspected all connections, valves, and pipes for proper function and potential leaks. Unit is operating efficiently with no issues detected.
Performed routine maintenance on GE tanked water heater, including complete system flush to remove sediment buildup. Inspected all connections, valves, and pipes for proper function and potential leaks. Unit is operating efficiently with no issues detected.
Gabriel S.
Gabriel S. Checked in
Performed routine maintenance on GE tanked water heater, including complete system flush to remove sediment buildup. Inspected all connections, valves, and pipes for proper function and potential leaks. Unit is operating efficiently with no issues detected.
Milwaukee, WI 53207
Conducted inspection of existing HVAC system in utility area, documenting aging ductwork, water heater connections, and associated plumbing infrastructure. Identified several sections of galvanized metal ducts with multiple bends and joints showing signs of deterioration, along with plumbing components exhibiting minor corrosion at connection points. Recommended full system replacement to address efficiency concerns and prevent potential future failures.
Conducted inspection of existing HVAC system in utility area, documenting aging ductwork, water heater connections, and associated plumbing infrastructure. Identified several sections of galvanized metal ducts with multiple bends and joints showing signs of deterioration, along with plumbing components exhibiting minor corrosion at connection points. Recommended full system replacement to address efficiency concerns and prevent potential future failures.
Jason G.
Jason G. Checked in
Conducted inspection of existing HVAC system in utility area, documenting aging ductwork, water heater connections, and associated plumbing infrastructure. Identified several sections of galvanized metal ducts with multiple bends and joints showing signs of deterioration, along with plumbing components exhibiting minor corrosion at connection points. Recommended full system replacement to address efficiency concerns and prevent potential future failures.
Milwaukee, WI 53222
Responded to no-heat call for residential system under 10 years old. Upon inspection of the furnace, found faulty ignitor and flame sensor causing intermittent heating failure. Replaced both components, cleaned burner assembly, and verified proper ignition sequence. System now operating with consistent flame and proper heat output.
Responded to no-heat call for residential system under 10 years old. Upon inspection of the furnace, found faulty ignitor and flame sensor causing intermittent heating failure. Replaced both components, cleaned burner assembly, and verified proper ignition sequence. System now operating with consistent flame and proper heat output.
Ron B.
Ron B. Checked in
Responded to no-heat call for residential system under 10 years old. Upon inspection of the furnace, found faulty ignitor and flame sensor causing intermittent heating failure. Replaced both components, cleaned burner assembly, and verified proper ignition sequence. System now operating with consistent flame and proper heat output.
Milwaukee, WI 53207
MILWAUKEE, WI - Installed new furnace unit in customer's basement utility area. Positioned equipment in limited space adjacent to wooden cabinet and sliding door. Completed all necessary connections and verified proper operation of the system.
Aaron A.
Aaron A. Checked in
Installed new furnace unit in customer's basement utility area. Positioned equipment in limited space adjacent to wooden cabinet and sliding door. Completed all necessary connections and verified proper operation of the system.
MILWAUKEE, WI 53220
Milwaukee, WI - Performed follow-up inspection on recently installed Carrier furnace system. Verified proper installation of PVC ventilation components, confirmed secure connections on all ductwork, and checked electrical connections at junction box. System appears to be operating as designed with no visible issues or concerns.
Josh V.
Josh V. Checked in
Performed follow-up inspection on recently installed Carrier furnace system. Verified proper installation of PVC ventilation components, confirmed secure connections on all ductwork, and checked electrical connections at junction box. System appears to be operating as designed with no visible issues or concerns.
Milwaukee, WI 53221
Performed comprehensive HVAC system replacement, installing new Carrier equipment including indoor furnace unit with updated control board and motor assembly. Completed installation of properly sealed metal ductwork with insulated connections and Y-joint distribution system. Positioned outdoor condensing unit on concrete pad with proper clearance from house structure, noting winter conditions necessitate protective measures for the outdoor equipment.
Performed comprehensive HVAC system replacement, installing new Carrier equipment including indoor furnace unit with updated control board and motor assembly. Completed installation of properly sealed metal ductwork with insulated connections and Y-joint distribution system. Positioned outdoor condensing unit on concrete pad with proper clearance from house structure, noting winter conditions necessitate protective measures for the outdoor equipment.
Josh V.
Josh V. Checked in
Performed comprehensive HVAC system replacement, installing new Carrier equipment including indoor furnace unit with updated control board and motor assembly. Completed installation of properly sealed metal ductwork with insulated connections and Y-joint distribution system. Positioned outdoor condensing unit on concrete pad with proper clearance from house structure, noting winter conditions necessitate protective measures for the outdoor equipment.
MILWAUKEE, WI 53220
Successfully installed a new furnace unit with complete ductwork integration in the basement utility room. Connected all necessary condensate lines and verified proper alignment with existing water heater and mechanical systems. Final inspection confirmed system is operating according to manufacturer specifications.
Successfully installed a new furnace unit with complete ductwork integration in the basement utility room. Connected all necessary condensate lines and verified proper alignment with existing water heater and mechanical systems. Final inspection confirmed system is operating according to manufacturer specifications.
Nate G.
Nate G. Checked in
Successfully installed a new furnace unit with complete ductwork integration in the basement utility room. Connected all necessary condensate lines and verified proper alignment with existing water heater and mechanical systems. Final inspection confirmed system is operating according to manufacturer specifications.
Milwaukee, WI 53219
Responded to no-heat call for Resideo system less than 10 years old. Diagnosed faulty control board in the SPARK module causing intermittent ignition failure. Replaced control board, verified proper voltage at terminals, and reconnected all wiring harnesses according to manufacturer specifications. System now operating within normal parameters with successful ignition sequence and consistent heat output.
Responded to no-heat call for Resideo system less than 10 years old. Diagnosed faulty control board in the SPARK module causing intermittent ignition failure. Replaced control board, verified proper voltage at terminals, and reconnected all wiring harnesses according to manufacturer specifications. System now operating within normal parameters with successful ignition sequence and consistent heat output.
Kevin P.
Kevin P. Checked in
Responded to no-heat call for Resideo system less than 10 years old. Diagnosed faulty control board in the SPARK module causing intermittent ignition failure. Replaced control board, verified proper voltage at terminals, and reconnected all wiring harnesses according to manufacturer specifications. System now operating within normal parameters with successful ignition sequence and consistent heat output.
Milwaukee, WI 53207
Performed routine tune-up maintenance on HVAC system. Inspected internal components, checked rubber hoses and connections for wear, and verified proper electrical connections. Used hex tool to make minor adjustments to ensure optimal system performance.
Performed routine tune-up maintenance on HVAC system. Inspected internal components, checked rubber hoses and connections for wear, and verified proper electrical connections. Used hex tool to make minor adjustments to ensure optimal system performance.
Carlos R.
Carlos R. Checked in
Performed routine tune-up maintenance on HVAC system. Inspected internal components, checked rubber hoses and connections for wear, and verified proper electrical connections. Used hex tool to make minor adjustments to ensure optimal system performance.
Milwaukee, WI 53209
Performed comprehensive inspection of electrical panel and HVAC system in basement utility area. Evaluated existing furnace unit with connected ductwork and adjacent air handler for potential replacement. Documented current circuit breaker configuration and electrical capacity to ensure compatibility with proposed new equipment.
Performed comprehensive inspection of electrical panel and HVAC system in basement utility area. Evaluated existing furnace unit with connected ductwork and adjacent air handler for potential replacement. Documented current circuit breaker configuration and electrical capacity to ensure compatibility with proposed new equipment.
Dave V.
Dave V. Checked in
Performed comprehensive inspection of electrical panel and HVAC system in basement utility area. Evaluated existing furnace unit with connected ductwork and adjacent air handler for potential replacement. Documented current circuit breaker configuration and electrical capacity to ensure compatibility with proposed new equipment.
Milwaukee, WI 53219
Performed diagnostic testing on furnace control system, identifying loose connections in the thermostat wiring junction box. Reconnected and secured R, C, W, and G terminal wires, then verified proper electrical continuity with multimeter testing at the furnace control board. System now operating within normal parameters with restored heating functionality.
Performed diagnostic testing on furnace control system, identifying loose connections in the thermostat wiring junction box. Reconnected and secured R, C, W, and G terminal wires, then verified proper electrical continuity with multimeter testing at the furnace control board. System now operating within normal parameters with restored heating functionality.
Josh V.
Josh V. Checked in
Performed diagnostic testing on furnace control system, identifying loose connections in the thermostat wiring junction box. Reconnected and secured R, C, W, and G terminal wires, then verified proper electrical continuity with multimeter testing at the furnace control board. System now operating within normal parameters with restored heating functionality.
Milwaukee, WI 53207
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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.

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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.