Furnace, AC, & Plumbing Services In Milwaukee, WI

Professional HVAC Repair & Plumbing 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

Completed installation of new boiler system. Removed outdated equipment and addressed deteriorated insulation in the crawl space. Installed new PVC venting and properly sealed all connections to ensure efficient operation and prevent moisture issues.
Completed installation of new boiler system. Removed outdated equipment and addressed deteriorated insulation in the crawl space. Installed new PVC venting and properly sealed all connections to ensure efficient operation and prevent moisture issues.
Derik B.
Derik B. Checked in
Completed installation of new boiler system. Removed outdated equipment and addressed deteriorated insulation in the crawl space. Installed new PVC venting and properly sealed all connections to ensure efficient operation and prevent moisture issues.
MILWAUKEE, WI 53211
Diagnosed and repaired water leakage issue in residential plumbing system. Removed wall section to access affected pipes, identified failed coupling joints on vertical supply line, and replaced damaged fittings. Inspected surrounding basement piping system for additional moisture issues and verified proper system operation after repair.
Diagnosed and repaired water leakage issue in residential plumbing system. Removed wall section to access affected pipes, identified failed coupling joints on vertical supply line, and replaced damaged fittings. Inspected surrounding basement piping system for additional moisture issues and verified proper system operation after repair.
Andy S.
Andy S. Checked in
Diagnosed and repaired water leakage issue in residential plumbing system. Removed wall section to access affected pipes, identified failed coupling joints on vertical supply line, and replaced damaged fittings. Inspected surrounding basement piping system for additional moisture issues and verified proper system operation after repair.
Milwaukee, WI 53227
Performed scheduled tune-up service on Carrier Infinity furnace system. Inspected unit installation, ductwork connections, and PVC venting pipes. Replaced standard 20"x25"x4" Honeywell Home air filter with new one of matching specifications (actual size 19-15/16"x24-7/8"x4-3/8").
Performed scheduled tune-up service on Carrier Infinity furnace system. Inspected unit installation, ductwork connections, and PVC venting pipes. Replaced standard 20"x25"x4" Honeywell Home air filter with new one of matching specifications (actual size 19-15/16"x24-7/8"x4-3/8").
Carlos R.
Carlos R. Checked in
Performed scheduled tune-up service on Carrier Infinity furnace system. Inspected unit installation, ductwork connections, and PVC venting pipes. Replaced standard 20"x25"x4" Honeywell Home air filter with new one of matching specifications (actual size 19-15/16"x24-7/8"x4-3/8").
Milwaukee, WI 53220
Conducted comprehensive assessment of existing HVAC system in basement utility room. Documented aging furnace/air handler unit with connected galvanized metal ductwork system. Evaluation confirmed need for full system replacement due to equipment condition and potential efficiency improvements.
Conducted comprehensive assessment of existing HVAC system in basement utility room. Documented aging furnace/air handler unit with connected galvanized metal ductwork system. Evaluation confirmed need for full system replacement due to equipment condition and potential efficiency improvements.
Dave V.
Dave V. Checked in
Conducted comprehensive assessment of existing HVAC system in basement utility room. Documented aging furnace/air handler unit with connected galvanized metal ductwork system. Evaluation confirmed need for full system replacement due to equipment condition and potential efficiency improvements.
Milwaukee, WI 53207
Inspected recessed HVAC vent installation in wooden wall panel. Observed proper alignment of register opening with minimal dust accumulation. Verified correct air flow through the return air vent and confirmed architectural integration with existing woodwork was intact.
Inspected recessed HVAC vent installation in wooden wall panel. Observed proper alignment of register opening with minimal dust accumulation. Verified correct air flow through the return air vent and confirmed architectural integration with existing woodwork was intact.
Todd H.
Todd H. Checked in
Inspected recessed HVAC vent installation in wooden wall panel. Observed proper alignment of register opening with minimal dust accumulation. Verified correct air flow through the return air vent and confirmed architectural integration with existing woodwork was intact.
Milwaukee, WI 53207
Performed seasonal tune-up on Carrier Infinity furnace system. Inspected filter which was clean and properly seated in housing. Checked all system components including furnace cabinet, connection points, and adjacent air cleaner. All equipment in good working condition with no issues identified.
Performed seasonal tune-up on Carrier Infinity furnace system. Inspected filter which was clean and properly seated in housing. Checked all system components including furnace cabinet, connection points, and adjacent air cleaner. All equipment in good working condition with no issues identified.
Carlos R.
Carlos R. Checked in
Performed seasonal tune-up on Carrier Infinity furnace system. Inspected filter which was clean and properly seated in housing. Checked all system components including furnace cabinet, connection points, and adjacent air cleaner. All equipment in good working condition with no issues identified.
Milwaukee, WI 53221
Performed routine HVAC tune-up service including temperature verification with digital thermometer (reading 66.2°F on system components) and electrical diagnostics with SC680 multimeter showing 10.6 μA DC current draw. System operating within normal parameters after inspection and testing of critical components.
Performed routine HVAC tune-up service including temperature verification with digital thermometer (reading 66.2°F on system components) and electrical diagnostics with SC680 multimeter showing 10.6 μA DC current draw. System operating within normal parameters after inspection and testing of critical components.
Carlos R.
Carlos R. Checked in
Performed routine HVAC tune-up service including temperature verification with digital thermometer (reading 66.2°F on system components) and electrical diagnostics with SC680 multimeter showing 10.6 μA DC current draw. System operating within normal parameters after inspection and testing of critical components.
Milwaukee, WI 53220
Conducted water service assessment of existing plumbing system. Inspected concrete basin containing water service connections showing significant mineral buildup and sediment accumulation. Evaluated drainage system including metal trap pipe and connected components for functionality; no active leaks detected despite aging infrastructure.
Conducted water service assessment of existing plumbing system. Inspected concrete basin containing water service connections showing significant mineral buildup and sediment accumulation. Evaluated drainage system including metal trap pipe and connected components for functionality; no active leaks detected despite aging infrastructure.
Gabriel S.
Gabriel S. Checked in
Conducted water service assessment of existing plumbing system. Inspected concrete basin containing water service connections showing significant mineral buildup and sediment accumulation. Evaluated drainage system including metal trap pipe and connected components for functionality; no active leaks detected despite aging infrastructure.
Milwaukee, WI 53218
Conducted comprehensive evaluation of existing HVAC system in basement utility area, documenting condition of aging furnace unit with galvanized sheet metal casing and connected ductwork. Identified replacement requirements for primary heating unit and associated components including PVC venting system, galvanized ductwork connections, and drainage assembly with multiple valves that showed signs of normal wear.
Conducted comprehensive evaluation of existing HVAC system in basement utility area, documenting condition of aging furnace unit with galvanized sheet metal casing and connected ductwork. Identified replacement requirements for primary heating unit and associated components including PVC venting system, galvanized ductwork connections, and drainage assembly with multiple valves that showed signs of normal wear.
Jason G.
Jason G. Checked in
Conducted comprehensive evaluation of existing HVAC system in basement utility area, documenting condition of aging furnace unit with galvanized sheet metal casing and connected ductwork. Identified replacement requirements for primary heating unit and associated components including PVC venting system, galvanized ductwork connections, and drainage assembly with multiple valves that showed signs of normal wear.
Milwaukee, WI 53211
Performed inspection of an Armstrong furnace system in basement utility area, documenting condition of internal components including blower motor, wiring, and control systems. Examined the filter system (16 x 25 x 1 Filtrete) and evaluated the PVC condensate drainage configuration. Assessment focused on determining replacement requirements for the aging unit.
Performed inspection of an Armstrong furnace system in basement utility area, documenting condition of internal components including blower motor, wiring, and control systems. Examined the filter system (16 x 25 x 1 Filtrete) and evaluated the PVC condensate drainage configuration. Assessment focused on determining replacement requirements for the aging unit.
Steven S.
Steven S. Checked in
Performed inspection of an Armstrong furnace system in basement utility area, documenting condition of internal components including blower motor, wiring, and control systems. Examined the filter system (16 x 25 x 1 Filtrete) and evaluated the PVC condensate drainage configuration. Assessment focused on determining replacement requirements for the aging unit.
Milwaukee, WI 53222
Responded to no heat service call for a system less than 10 years old. Inspected unit interior components and ductwork for issues. Verified thermostat was functioning properly and correctly set to "HEAT" mode. Restored heating operation and confirmed system performance before departure.
Responded to no heat service call for a system less than 10 years old. Inspected unit interior components and ductwork for issues. Verified thermostat was functioning properly and correctly set to "HEAT" mode. Restored heating operation and confirmed system performance before departure.
Makinze C.
Makinze C. Checked in
Responded to no heat service call for a system less than 10 years old. Inspected unit interior components and ductwork for issues. Verified thermostat was functioning properly and correctly set to "HEAT" mode. Restored heating operation and confirmed system performance before departure.
Milwaukee, WI 53212
Completed standard tune-up maintenance on Lennox furnace system. Inspected and cleaned the clean-out component and related connections. Examined humidifier and associated ductwork, confirming proper installation and function of all PVC exhaust/intake venting. System is operating within normal parameters.
Completed standard tune-up maintenance on Lennox furnace system. Inspected and cleaned the clean-out component and related connections. Examined humidifier and associated ductwork, confirming proper installation and function of all PVC exhaust/intake venting. System is operating within normal parameters.
Makinze C.
Makinze C. Checked in
Completed standard tune-up maintenance on Lennox furnace system. Inspected and cleaned the clean-out component and related connections. Examined humidifier and associated ductwork, confirming proper installation and function of all PVC exhaust/intake venting. System is operating within normal parameters.
Milwaukee, WI 53226
Milwaukee, WI - Diagnosed no-heat complaint on 10+ year old system and identified faulty inducer motor assembly as the root cause. Replaced inducer motor, ensuring proper electrical connections and verifying system operation through complete heating cycle testing. System now functioning properly with restored heat output.
Kevin P.
Kevin P. Checked in
Diagnosed no-heat complaint on 10+ year old system and identified faulty inducer motor assembly as the root cause. Replaced inducer motor, ensuring proper electrical connections and verifying system operation through complete heating cycle testing. System now functioning properly with restored heat output.
Milwaukee, WI 53204
Milwaukee, WI - Installed new ductwork system with a self-supported pleated filter unit in unfinished space. Properly secured filter housing to wooden frame structure and connected to existing metal ductwork. System installation completed in area with spray foam insulation for optimal airflow efficiency.
Jim K.
Jim K. Checked in
Installed new ductwork system with a self-supported pleated filter unit in unfinished space. Properly secured filter housing to wooden frame structure and connected to existing metal ductwork. System installation completed in area with spray foam insulation for optimal airflow efficiency.
Milwaukee, WI 53219
Conducted inspection of existing HVAC system in basement utility room, which includes a beige furnace unit connected to metal ductwork. Prepared replacement estimate for aging furnace system, documenting current configuration with adjacent water heater and existing ductwork infrastructure for proper sizing of new equipment.
Conducted inspection of existing HVAC system in basement utility room, which includes a beige furnace unit connected to metal ductwork. Prepared replacement estimate for aging furnace system, documenting current configuration with adjacent water heater and existing ductwork infrastructure for proper sizing of new equipment.
Dave V.
Dave V. Checked in
Conducted inspection of existing HVAC system in basement utility room, which includes a beige furnace unit connected to metal ductwork. Prepared replacement estimate for aging furnace system, documenting current configuration with adjacent water heater and existing ductwork infrastructure for proper sizing of new equipment.
Milwaukee, WI 53207
Performed gas leak detection in unfinished basement where multiple plumbing, electrical, and HVAC systems are exposed. Identified and repaired gas leak in galvanized ductwork, focusing on connection points near the ceiling joists. Applied appropriate sealing compound to compromised joints and verified system integrity with pressure testing after repair.
Performed gas leak detection in unfinished basement where multiple plumbing, electrical, and HVAC systems are exposed. Identified and repaired gas leak in galvanized ductwork, focusing on connection points near the ceiling joists. Applied appropriate sealing compound to compromised joints and verified system integrity with pressure testing after repair.
Josh V.
Josh V. Checked in
Performed gas leak detection in unfinished basement where multiple plumbing, electrical, and HVAC systems are exposed. Identified and repaired gas leak in galvanized ductwork, focusing on connection points near the ceiling joists. Applied appropriate sealing compound to compromised joints and verified system integrity with pressure testing after repair.
Milwaukee, WI 53227
Successfully installed a new Lennox furnace in the utility room, complete with proper PVC ventilation system featuring intake and exhaust pipes. Connected the unit to the existing ductwork with appropriate transitions and ensured all electrical connections and condensate drainage were properly configured for optimal performance.
Successfully installed a new Lennox furnace in the utility room, complete with proper PVC ventilation system featuring intake and exhaust pipes. Connected the unit to the existing ductwork with appropriate transitions and ensured all electrical connections and condensate drainage were properly configured for optimal performance.
Kevin C.
Kevin C. Checked in
Successfully installed a new Lennox furnace in the utility room, complete with proper PVC ventilation system featuring intake and exhaust pipes. Connected the unit to the existing ductwork with appropriate transitions and ensured all electrical connections and condensate drainage were properly configured for optimal performance.
Milwaukee, WI 53202
Milwaukee, WI - Performed routine tune-up on Honeywell furnace system. Removed access panel to inspect internal components including fan assembly, wiring connections, and ductwork. All components were found to be properly connected with no visible damage or deterioration, and system was returned to normal operating condition.
Adriel H.
Adriel H. Checked in
Performed routine tune-up on Honeywell furnace system. Removed access panel to inspect internal components including fan assembly, wiring connections, and ductwork. All components were found to be properly connected with no visible damage or deterioration, and system was returned to normal operating condition.
Milwaukee, WI 53228
Successfully installed a high-efficiency furnace with proper ductwork connections in the client's utility room. Completed all necessary plumbing and electrical connections, ensuring proper insulation of black piping and secure mounting of junction box. System was tested and is functioning optimally with appropriate airflow.
Successfully installed a high-efficiency furnace with proper ductwork connections in the client's utility room. Completed all necessary plumbing and electrical connections, ensuring proper insulation of black piping and secure mounting of junction box. System was tested and is functioning optimally with appropriate airflow.
Aaron A.
Aaron A. Checked in
Successfully installed a high-efficiency furnace with proper ductwork connections in the client's utility room. Completed all necessary plumbing and electrical connections, ensuring proper insulation of black piping and secure mounting of junction box. System was tested and is functioning optimally with appropriate airflow.
Milwaukee, WI 53221
Completed seasonal tune-up on furnace at A.P. Walter Agency Real Estate property. Removed panels to conduct thorough inspection of internal components including motor, blower wheel, and circuit board. All electrical connections were checked and tightened, with system operation confirmed to be within normal parameters despite minor rust on lower metal surfaces.
Completed seasonal tune-up on furnace at A.P. Walter Agency Real Estate property. Removed panels to conduct thorough inspection of internal components including motor, blower wheel, and circuit board. All electrical connections were checked and tightened, with system operation confirmed to be within normal parameters despite minor rust on lower metal surfaces.
Adriel H.
Adriel H. Checked in
Completed seasonal tune-up on furnace at A.P. Walter Agency Real Estate property. Removed panels to conduct thorough inspection of internal components including motor, blower wheel, and circuit board. All electrical connections were checked and tightened, with system operation confirmed to be within normal parameters despite minor rust on lower metal surfaces.
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.