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

Performed routine maintenance on HVAC system, inspecting control board (part #5009860-05) and electrical connections. Replaced existing air filter with new Filtrete Electrostatic High Performance filter (MPR 1550, 16x25x4"). All components tested and functioning properly.
Performed routine maintenance on HVAC system, inspecting control board (part #5009860-05) and electrical connections. Replaced existing air filter with new Filtrete Electrostatic High Performance filter (MPR 1550, 16x25x4"). All components tested and functioning properly.
Carlos R.
Carlos R. Checked in
Performed routine maintenance on HVAC system, inspecting control board (part #5009860-05) and electrical connections. Replaced existing air filter with new Filtrete Electrostatic High Performance filter (MPR 1550, 16x25x4"). All components tested and functioning properly.
Milwaukee, WI 53207
Performed routine maintenance tune-up on HVAC system, including inspection of air filter which showed significant dust accumulation requiring replacement. Conducted temperature differential testing using probe to verify proper system operation and cooling performance. All components now functioning within normal parameters.
Performed routine maintenance tune-up on HVAC system, including inspection of air filter which showed significant dust accumulation requiring replacement. Conducted temperature differential testing using probe to verify proper system operation and cooling performance. All components now functioning within normal parameters.
Makinze C.
Makinze C. Checked in
Performed routine maintenance tune-up on HVAC system, including inspection of air filter which showed significant dust accumulation requiring replacement. Conducted temperature differential testing using probe to verify proper system operation and cooling performance. All components now functioning within normal parameters.
Milwaukee, WI 53219
Performed scheduled prepaid maintenance visit on HVAC system. Inspected electrical connections and wiring, confirming proper installation with secure zip ties. Measured supply air temperature at 117.3°F using UEi PDT650 thermometer, verifying system is operating within normal temperature range.
Performed scheduled prepaid maintenance visit on HVAC system. Inspected electrical connections and wiring, confirming proper installation with secure zip ties. Measured supply air temperature at 117.3°F using UEi PDT650 thermometer, verifying system is operating within normal temperature range.
Carlos R.
Carlos R. Checked in
Performed scheduled prepaid maintenance visit on HVAC system. Inspected electrical connections and wiring, confirming proper installation with secure zip ties. Measured supply air temperature at 117.3°F using UEi PDT650 thermometer, verifying system is operating within normal temperature range.
Milwaukee, WI 53215
Conducted a comprehensive assessment of the existing utility area with focus on plumbing and mechanical systems. Documented the condition of copper piping, valves, and fittings in the wall cavity, noting signs of aging and discoloration. Evaluated the adjacent mechanical equipment for potential HVAC system replacement, with particular attention to integration with existing plumbing infrastructure.
Conducted a comprehensive assessment of the existing utility area with focus on plumbing and mechanical systems. Documented the condition of copper piping, valves, and fittings in the wall cavity, noting signs of aging and discoloration. Evaluated the adjacent mechanical equipment for potential HVAC system replacement, with particular attention to integration with existing plumbing infrastructure.
Dave V.
Dave V. Checked in
Conducted a comprehensive assessment of the existing utility area with focus on plumbing and mechanical systems. Documented the condition of copper piping, valves, and fittings in the wall cavity, noting signs of aging and discoloration. Evaluated the adjacent mechanical equipment for potential HVAC system replacement, with particular attention to integration with existing plumbing infrastructure.
Milwaukee, WI 53207
Performed comprehensive inspection of Carrier HVAC system located in utility area. Evaluation included examination of ductwork connections, with particular attention to the silver metallic flexible ducts and PVC pipe configuration. Recommended thorough cleaning of all accessible ductwork to improve system efficiency and indoor air quality.
Performed comprehensive inspection of Carrier HVAC system located in utility area. Evaluation included examination of ductwork connections, with particular attention to the silver metallic flexible ducts and PVC pipe configuration. Recommended thorough cleaning of all accessible ductwork to improve system efficiency and indoor air quality.
Michael Y.
Michael Y. Checked in
Performed comprehensive inspection of Carrier HVAC system located in utility area. Evaluation included examination of ductwork connections, with particular attention to the silver metallic flexible ducts and PVC pipe configuration. Recommended thorough cleaning of all accessible ductwork to improve system efficiency and indoor air quality.
Milwaukee, WI 53220
Inspected furnace system and discovered severe corrosion damage in the ductwork, particularly at connection points and a 90-degree elbow joint where complete metal failure has occurred. Documented extensive rust deterioration with multiple perforations that are compromising system integrity and efficiency. Recommended immediate replacement of affected ductwork sections to prevent further deterioration and potential safety hazards.
Inspected furnace system and discovered severe corrosion damage in the ductwork, particularly at connection points and a 90-degree elbow joint where complete metal failure has occurred. Documented extensive rust deterioration with multiple perforations that are compromising system integrity and efficiency. Recommended immediate replacement of affected ductwork sections to prevent further deterioration and potential safety hazards.
Ron B.
Ron B. Checked in
Inspected furnace system and discovered severe corrosion damage in the ductwork, particularly at connection points and a 90-degree elbow joint where complete metal failure has occurred. Documented extensive rust deterioration with multiple perforations that are compromising system integrity and efficiency. Recommended immediate replacement of affected ductwork sections to prevent further deterioration and potential safety hazards.
Milwaukee, WI 53222
Performed scheduled maintenance on HVAC system. Conducted electrical diagnostics using Fieldpiece SC680 multimeter, verifying system voltage readings at 1.4V. Removed and replaced heavily soiled air filter showing significant dust accumulation.
Performed scheduled maintenance on HVAC system. Conducted electrical diagnostics using Fieldpiece SC680 multimeter, verifying system voltage readings at 1.4V. Removed and replaced heavily soiled air filter showing significant dust accumulation.
Carlos R.
Carlos R. Checked in
Performed scheduled maintenance on HVAC system. Conducted electrical diagnostics using Fieldpiece SC680 multimeter, verifying system voltage readings at 1.4V. Removed and replaced heavily soiled air filter showing significant dust accumulation.
Milwaukee, WI 53224
Milwaukee, WI - Inspected client's basement utility room housing a Lennox furnace system. Documented existing HVAC configuration including the furnace mounted on concrete pad, connected metal ductwork (cylindrical and rectangular), and associated components (likely air handler/evaporator coil). System appears properly installed with standard connections and wiring in place.
Dave V.
Dave V. Checked in
Inspected client's basement utility room housing a Lennox furnace system. Documented existing HVAC configuration including the furnace mounted on concrete pad, connected metal ductwork (cylindrical and rectangular), and associated components (likely air handler/evaporator coil). System appears properly installed with standard connections and wiring in place.
Milwaukee, WI 53219
Completed installation of new HVAC system with high-efficiency furnace in basement utility area. System includes properly sealed metallic ductwork with multiple distribution branches. Noted existing floor drain shows significant corrosion; recommended monitoring for proper drainage to prevent potential water damage to new equipment.
Completed installation of new HVAC system with high-efficiency furnace in basement utility area. System includes properly sealed metallic ductwork with multiple distribution branches. Noted existing floor drain shows significant corrosion; recommended monitoring for proper drainage to prevent potential water damage to new equipment.
CJ K.
CJ K. Checked in
Completed installation of new HVAC system with high-efficiency furnace in basement utility area. System includes properly sealed metallic ductwork with multiple distribution branches. Noted existing floor drain shows significant corrosion; recommended monitoring for proper drainage to prevent potential water damage to new equipment.
Milwaukee, WI 53207
Milwaukee, WI - Responded to no heat complaint on Lennox furnace. Accessed internal components by removing front panel to inspect wiring and electrical connections. Diagnosed and repaired faulty connection in blower motor circuit, restoring proper heating function.
Adriel H.
Adriel H. Checked in
Responded to no heat complaint on Lennox furnace. Accessed internal components by removing front panel to inspect wiring and electrical connections. Diagnosed and repaired faulty connection in blower motor circuit, restoring proper heating function.
Milwaukee, WI 53219
Performed comprehensive HVAC tune-up service on residential furnace system. Inspected interior components including motor assembly, wiring connections, and heat exchanger for proper operation. Examined connected PVC venting system to ensure proper installation and ventilation compliance with NSF standards.
Performed comprehensive HVAC tune-up service on residential furnace system. Inspected interior components including motor assembly, wiring connections, and heat exchanger for proper operation. Examined connected PVC venting system to ensure proper installation and ventilation compliance with NSF standards.
Josh V.
Josh V. Checked in
Performed comprehensive HVAC tune-up service on residential furnace system. Inspected interior components including motor assembly, wiring connections, and heat exchanger for proper operation. Examined connected PVC venting system to ensure proper installation and ventilation compliance with NSF standards.
Milwaukee, WI 53221
Performed routine tune-up service on HVAC system, including inspection of interior evaporator coil which showed some dirt accumulation at base requiring cleaning. Examined water heater and associated copper piping network, confirming proper installation with no leaks detected in plumbing infrastructure.
Performed routine tune-up service on HVAC system, including inspection of interior evaporator coil which showed some dirt accumulation at base requiring cleaning. Examined water heater and associated copper piping network, confirming proper installation with no leaks detected in plumbing infrastructure.
Kevin P.
Kevin P. Checked in
Performed routine tune-up service on HVAC system, including inspection of interior evaporator coil which showed some dirt accumulation at base requiring cleaning. Examined water heater and associated copper piping network, confirming proper installation with no leaks detected in plumbing infrastructure.
MILWAUKEE, WI 53211
Performed comprehensive HVAC system tune-up including electrical diagnostics with Fieldpiece SC680 multimeter. Measured voltage readings (60.54V) and microamp current (3.4μA) to verify proper electrical operation of control circuits. All system parameters confirmed within manufacturer specifications after service completion.
Performed comprehensive HVAC system tune-up including electrical diagnostics with Fieldpiece SC680 multimeter. Measured voltage readings (60.54V) and microamp current (3.4μA) to verify proper electrical operation of control circuits. All system parameters confirmed within manufacturer specifications after service completion.
Carlos R.
Carlos R. Checked in
Performed comprehensive HVAC system tune-up including electrical diagnostics with Fieldpiece SC680 multimeter. Measured voltage readings (60.54V) and microamp current (3.4μA) to verify proper electrical operation of control circuits. All system parameters confirmed within manufacturer specifications after service completion.
Milwaukee, WI 53223
Conducted site assessment for mini-split installation, evaluating interior wall space adjacent to exterior door for potential indoor unit placement. Examined exterior area through window to determine optimal condenser location and assess available space for line set routing. Property layout appears suitable for standard mini-split configuration with minimal modifications required.
Conducted site assessment for mini-split installation, evaluating interior wall space adjacent to exterior door for potential indoor unit placement. Examined exterior area through window to determine optimal condenser location and assess available space for line set routing. Property layout appears suitable for standard mini-split configuration with minimal modifications required.
Steven S.
Steven S. Checked in
Conducted site assessment for mini-split installation, evaluating interior wall space adjacent to exterior door for potential indoor unit placement. Examined exterior area through window to determine optimal condenser location and assess available space for line set routing. Property layout appears suitable for standard mini-split configuration with minimal modifications required.
Milwaukee, WI 53212
Milwaukee, WI - Inspected existing drainage system in basement area. Identified aging cast iron vertical pipe with signs of corrosion at connection point, secured by two metal clamps showing mineral buildup. Noted PVC pipe connection to main drain line requires proper sealing and reinforcement to prevent future leaks.
Andy S.
Andy S. Checked in
Inspected existing drainage system in basement area. Identified aging cast iron vertical pipe with signs of corrosion at connection point, secured by two metal clamps showing mineral buildup. Noted PVC pipe connection to main drain line requires proper sealing and reinforcement to prevent future leaks.
Milwaukee, WI 53224
Responded to no-heat call for system less than 10 years old. Diagnosed issue with thermostat not properly communicating with furnace. Recalibrated Honeywell digital thermostat and verified proper operation of ductwork connections. System now maintaining proper temperature with heat cycling correctly.
Responded to no-heat call for system less than 10 years old. Diagnosed issue with thermostat not properly communicating with furnace. Recalibrated Honeywell digital thermostat and verified proper operation of ductwork connections. System now maintaining proper temperature with heat cycling correctly.
Ron B.
Ron B. Checked in
Responded to no-heat call for system less than 10 years old. Diagnosed issue with thermostat not properly communicating with furnace. Recalibrated Honeywell digital thermostat and verified proper operation of ductwork connections. System now maintaining proper temperature with heat cycling correctly.
MILWAUKEE, WI 53219
Installed new condensate drain assembly on 1st floor air handler unit. Secured existing refrigerant lines with zip ties to improve organization and prevent vibration damage. System is now properly draining with no leaks observed during final inspection.
Installed new condensate drain assembly on 1st floor air handler unit. Secured existing refrigerant lines with zip ties to improve organization and prevent vibration damage. System is now properly draining with no leaks observed during final inspection.
Nick K.
Nick K. Checked in
Installed new condensate drain assembly on 1st floor air handler unit. Secured existing refrigerant lines with zip ties to improve organization and prevent vibration damage. System is now properly draining with no leaks observed during final inspection.
MILWAUKEE, WI 53210
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
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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.