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

Inspected copper water supply lines and galvanized ventilation system connected to tanked water heater. Identified minor corrosion at brass fitting connection points on copper piping. Verified proper installation of ventilation ductwork and confirmed all components were functioning properly despite some normal oxidation.
Inspected copper water supply lines and galvanized ventilation system connected to tanked water heater. Identified minor corrosion at brass fitting connection points on copper piping. Verified proper installation of ventilation ductwork and confirmed all components were functioning properly despite some normal oxidation.
Kyle L.
Kyle L. Checked in
Inspected copper water supply lines and galvanized ventilation system connected to tanked water heater. Identified minor corrosion at brass fitting connection points on copper piping. Verified proper installation of ventilation ductwork and confirmed all components were functioning properly despite some normal oxidation.
Milwaukee, WI 53222
Conducted inspection of aging HVAC system with corroded copper connections and identified need for full system replacement. Documented existing unit configuration including 16x25x1 filter requirements and current ductwork layout. Provided replacement estimate for new system with properly sized components and improved filtration capability.
Conducted inspection of aging HVAC system with corroded copper connections and identified need for full system replacement. Documented existing unit configuration including 16x25x1 filter requirements and current ductwork layout. Provided replacement estimate for new system with properly sized components and improved filtration capability.
Michael Y.
Michael Y. Checked in
Conducted inspection of aging HVAC system with corroded copper connections and identified need for full system replacement. Documented existing unit configuration including 16x25x1 filter requirements and current ductwork layout. Provided replacement estimate for new system with properly sized components and improved filtration capability.
Milwaukee, WI 53207
Completed commercial boiler installation with comprehensive copper gas line infrastructure. Installed multiple parallel gas lines with dedicated shut-off valves, properly secured to wooden joists with insulated brackets. All piping was properly insulated with foam sleeves where required and systematically labeled for future service identification.
Completed commercial boiler installation with comprehensive copper gas line infrastructure. Installed multiple parallel gas lines with dedicated shut-off valves, properly secured to wooden joists with insulated brackets. All piping was properly insulated with foam sleeves where required and systematically labeled for future service identification.
Derik B.
Derik B. Checked in
Completed commercial boiler installation with comprehensive copper gas line infrastructure. Installed multiple parallel gas lines with dedicated shut-off valves, properly secured to wooden joists with insulated brackets. All piping was properly insulated with foam sleeves where required and systematically labeled for future service identification.
Milwaukee, WI 53222
Installed new garbage disposal unit beneath sink, connecting all PVC drain pipes with proper fittings and securing connections with metal clamps. Verified system operation and confirmed no leaks at connection points after installation.
Installed new garbage disposal unit beneath sink, connecting all PVC drain pipes with proper fittings and securing connections with metal clamps. Verified system operation and confirmed no leaks at connection points after installation.
Gabriel S.
Gabriel S. Checked in
Installed new garbage disposal unit beneath sink, connecting all PVC drain pipes with proper fittings and securing connections with metal clamps. Verified system operation and confirmed no leaks at connection points after installation.
MILWAUKEE, WI 53220
Performed routine maintenance inspection on basement-installed HVAC furnace system. Examined PVC ventilation/drainage components and connections for proper installation and function. Replaced standard 16×25×1 pleated air filter to ensure optimal system performance and air quality.
Performed routine maintenance inspection on basement-installed HVAC furnace system. Examined PVC ventilation/drainage components and connections for proper installation and function. Replaced standard 16×25×1 pleated air filter to ensure optimal system performance and air quality.
Carlos R.
Carlos R. Checked in
Performed routine maintenance inspection on basement-installed HVAC furnace system. Examined PVC ventilation/drainage components and connections for proper installation and function. Replaced standard 16×25×1 pleated air filter to ensure optimal system performance and air quality.
Milwaukee, WI 53207
Milwaukee, WI - Performed thorough inspection of boiler system in basement utility area, focusing on copper riser pipe and associated valve assembly. Identified minor moisture issue near the base connection and adjusted the red valve component to restore proper operation. System now functioning at optimal performance with no leaks observed.
Kevin P.
Kevin P. Checked in
Performed thorough inspection of boiler system in basement utility area, focusing on copper riser pipe and associated valve assembly. Identified minor moisture issue near the base connection and adjusted the red valve component to restore proper operation. System now functioning at optimal performance with no leaks observed.
Milwaukee, WI 53208
Completed wall access through built-in cabinetry to expose plumbing infrastructure. Created rectangular cutout revealing wall cavity with studs, pipes, and ductwork for necessary repairs. Maintained careful approach to preserve surrounding cabinetry structure during service work.
Completed wall access through built-in cabinetry to expose plumbing infrastructure. Created rectangular cutout revealing wall cavity with studs, pipes, and ductwork for necessary repairs. Maintained careful approach to preserve surrounding cabinetry structure during service work.
Dan E.
Dan E. Checked in
Completed wall access through built-in cabinetry to expose plumbing infrastructure. Created rectangular cutout revealing wall cavity with studs, pipes, and ductwork for necessary repairs. Maintained careful approach to preserve surrounding cabinetry structure during service work.
Milwaukee, WI 53225
Conducted comprehensive inspection of electrical circuit breaker panel and HVAC system in basement utility area. Evaluated existing furnace/air handler unit with associated ductwork and water heater installation for replacement estimate. Documented current system configuration and electrical service capacity to determine appropriate replacement options.
Conducted comprehensive inspection of electrical circuit breaker panel and HVAC system in basement utility area. Evaluated existing furnace/air handler unit with associated ductwork and water heater installation for replacement estimate. Documented current system configuration and electrical service capacity to determine appropriate replacement options.
Dave V.
Dave V. Checked in
Conducted comprehensive inspection of electrical circuit breaker panel and HVAC system in basement utility area. Evaluated existing furnace/air handler unit with associated ductwork and water heater installation for replacement estimate. Documented current system configuration and electrical service capacity to determine appropriate replacement options.
Milwaukee, WI 53215
Installed a new hot water heater system in residential basement with appropriate copper pipe connections and valves. System includes a blue expansion tank mounted above the water heater and all necessary safety valves. Completed installation with proper connections to existing plumbing infrastructure.
Installed a new hot water heater system in residential basement with appropriate copper pipe connections and valves. System includes a blue expansion tank mounted above the water heater and all necessary safety valves. Completed installation with proper connections to existing plumbing infrastructure.
James P.
James P. Checked in
Installed a new hot water heater system in residential basement with appropriate copper pipe connections and valves. System includes a blue expansion tank mounted above the water heater and all necessary safety valves. Completed installation with proper connections to existing plumbing infrastructure.
Milwaukee, WI 53223
Conducted comprehensive electrical diagnostics on system using Fieldpiece SC660 multimeter. Measured line voltage reading 255V and inspected control board connections. Identified and verified proper wiring terminations at the circuit board, ensuring all connector leads (red, blue, yellow, white) were secure and properly seated.
Conducted comprehensive electrical diagnostics on system using Fieldpiece SC660 multimeter. Measured line voltage reading 255V and inspected control board connections. Identified and verified proper wiring terminations at the circuit board, ensuring all connector leads (red, blue, yellow, white) were secure and properly seated.
Makinze C.
Makinze C. Checked in
Conducted comprehensive electrical diagnostics on system using Fieldpiece SC660 multimeter. Measured line voltage reading 255V and inspected control board connections. Identified and verified proper wiring terminations at the circuit board, ensuring all connector leads (red, blue, yellow, white) were secure and properly seated.
MILWAUKEE, WI 53206
Conducted comprehensive inspection of exposed plumbing system in unfinished ceiling area, specifically examining the cast iron water service pipes showing signs of aging and discoloration. Documented multiple horizontal pipe runs with various connection points and fittings mounted along wooden joists, noting areas of potential concern including corrosion and aging joints that may require future replacement to prevent water damage.
Conducted comprehensive inspection of exposed plumbing system in unfinished ceiling area, specifically examining the cast iron water service pipes showing signs of aging and discoloration. Documented multiple horizontal pipe runs with various connection points and fittings mounted along wooden joists, noting areas of potential concern including corrosion and aging joints that may require future replacement to prevent water damage.
Dan E.
Dan E. Checked in
Conducted comprehensive inspection of exposed plumbing system in unfinished ceiling area, specifically examining the cast iron water service pipes showing signs of aging and discoloration. Documented multiple horizontal pipe runs with various connection points and fittings mounted along wooden joists, noting areas of potential concern including corrosion and aging joints that may require future replacement to prevent water damage.
Milwaukee, WI 53225
Completed installation of dual vertical insulated pipes within structural wall cavity. Secured pipes through wooden framing members with appropriate fasteners. Applied fresh insulation material around piping to ensure proper thermal efficiency and prevent condensation issues.
Completed installation of dual vertical insulated pipes within structural wall cavity. Secured pipes through wooden framing members with appropriate fasteners. Applied fresh insulation material around piping to ensure proper thermal efficiency and prevent condensation issues.
Hayden L.
Hayden L. Checked in
Completed installation of dual vertical insulated pipes within structural wall cavity. Secured pipes through wooden framing members with appropriate fasteners. Applied fresh insulation material around piping to ensure proper thermal efficiency and prevent condensation issues.
Milwaukee, WI 53219
Inspected existing boiler system including horizontal and vertical piping network, insulation condition, and all connected valves. Performed visual assessment of galvanized metal ductwork, copper supply lines, and brass shutoff valve functionality. Verified proper operation of cylindrical heating unit with attached copper pipes of varying diameters, confirming all tagged valves were in correct positions for optimal system performance.
Inspected existing boiler system including horizontal and vertical piping network, insulation condition, and all connected valves. Performed visual assessment of galvanized metal ductwork, copper supply lines, and brass shutoff valve functionality. Verified proper operation of cylindrical heating unit with attached copper pipes of varying diameters, confirming all tagged valves were in correct positions for optimal system performance.
Ron B.
Ron B. Checked in
Inspected existing boiler system including horizontal and vertical piping network, insulation condition, and all connected valves. Performed visual assessment of galvanized metal ductwork, copper supply lines, and brass shutoff valve functionality. Verified proper operation of cylindrical heating unit with attached copper pipes of varying diameters, confirming all tagged valves were in correct positions for optimal system performance.
Milwaukee, WI 53221
Inspected and serviced garbage disposal unit under kitchen sink. Verified connections to PVC drain system were secure and properly aligned. Confirmed unit was functioning correctly with no signs of leaks, damage or deterioration to any components.
Inspected and serviced garbage disposal unit under kitchen sink. Verified connections to PVC drain system were secure and properly aligned. Confirmed unit was functioning correctly with no signs of leaks, damage or deterioration to any components.
Gabriel S.
Gabriel S. Checked in
Inspected and serviced garbage disposal unit under kitchen sink. Verified connections to PVC drain system were secure and properly aligned. Confirmed unit was functioning correctly with no signs of leaks, damage or deterioration to any components.
MILWAUKEE, WI 53220
Milwaukee, WI - Performed diagnostic inspection of unit interior components, documenting system condition with photographic evidence. Visual assessment revealed internal structure with functioning indicator lights, confirming operational status of electronic control board.
Kevin P.
Kevin P. Checked in
Performed diagnostic inspection of unit interior components, documenting system condition with photographic evidence. Visual assessment revealed internal structure with functioning indicator lights, confirming operational status of electronic control board.
Milwaukee, WI 53207
Completed inspection of aging cast iron radiator system showing significant deterioration and dirt accumulation. Examined associated plumbing connections to boiler unit, noting copper pipe discoloration and checking pressure gauge readings. Performed maintenance on valves and regulator components to restore proper system functionality.
Completed inspection of aging cast iron radiator system showing significant deterioration and dirt accumulation. Examined associated plumbing connections to boiler unit, noting copper pipe discoloration and checking pressure gauge readings. Performed maintenance on valves and regulator components to restore proper system functionality.
Ron B.
Ron B. Checked in
Completed inspection of aging cast iron radiator system showing significant deterioration and dirt accumulation. Examined associated plumbing connections to boiler unit, noting copper pipe discoloration and checking pressure gauge readings. Performed maintenance on valves and regulator components to restore proper system functionality.
Milwaukee, WI 53207
Conducted inspection of existing outdoor HVAC unit installed at brick exterior wall showing signs of age and wear. Documented current installation configuration including electrical connections and refrigerant lines. Provided estimate for complete system replacement including new outdoor condensing unit and indoor air handler with appropriate warning labels and electrical safety components.
Conducted inspection of existing outdoor HVAC unit installed at brick exterior wall showing signs of age and wear. Documented current installation configuration including electrical connections and refrigerant lines. Provided estimate for complete system replacement including new outdoor condensing unit and indoor air handler with appropriate warning labels and electrical safety components.
Jason G.
Jason G. Checked in
Conducted inspection of existing outdoor HVAC unit installed at brick exterior wall showing signs of age and wear. Documented current installation configuration including electrical connections and refrigerant lines. Provided estimate for complete system replacement including new outdoor condensing unit and indoor air handler with appropriate warning labels and electrical safety components.
Milwaukee, WI 53216
Milwaukee, WI - Conducted comprehensive inspection of existing HVAC system in basement utility area, documenting current setup including aging furnace and associated ductwork. Prepared detailed replacement estimate for complete system upgrade, noting the confined installation space adjacent to water heater and existing ventilation infrastructure. Replacement recommendation addresses improved efficiency and proper integration with existing home systems.
Jason G.
Jason G. Checked in
Conducted comprehensive inspection of existing HVAC system in basement utility area, documenting current setup including aging furnace and associated ductwork. Prepared detailed replacement estimate for complete system upgrade, noting the confined installation space adjacent to water heater and existing ventilation infrastructure. Replacement recommendation addresses improved efficiency and proper integration with existing home systems.
Milwaukee, WI 53216
Milwaukee, WI - Responded to customer complaint of high-pitched noise similar to a belt sound. Performed diagnostic inspection of furnace system with front panel removed, examining control board, gas valve assembly, and associated components. Despite thorough investigation with testing equipment, could not replicate the reported noise; system appeared to be functioning normally with typical wear consistent with normal residential use.
Josh V.
Josh V. Checked in
Responded to customer complaint of high-pitched noise similar to a belt sound. Performed diagnostic inspection of furnace system with front panel removed, examining control board, gas valve assembly, and associated components. Despite thorough investigation with testing equipment, could not replicate the reported noise; system appeared to be functioning normally with typical wear consistent with normal residential use.
Milwaukee, WI 53222
Inspected attic ductwork system and identified flexible ducts with damaged insulation and exposed areas requiring attention. Observed black insulated pipes with manufacturer markings showing signs of wear in the confined space. Recommended replacement of deteriorated flexible ductwork sections and proper resealing of insulation to improve system efficiency and prevent energy loss.
Inspected attic ductwork system and identified flexible ducts with damaged insulation and exposed areas requiring attention. Observed black insulated pipes with manufacturer markings showing signs of wear in the confined space. Recommended replacement of deteriorated flexible ductwork sections and proper resealing of insulation to improve system efficiency and prevent energy loss.
Michael Y.
Michael Y. Checked in
Inspected attic ductwork system and identified flexible ducts with damaged insulation and exposed areas requiring attention. Observed black insulated pipes with manufacturer markings showing signs of wear in the confined space. Recommended replacement of deteriorated flexible ductwork sections and proper resealing of insulation to improve system efficiency and prevent energy loss.
Milwaukee, WI 53228
Start Saving Today With

Membership Perks

Start Saving Today With

Membership Perks

What To Expect

Discover the Thielmann Heating, Cooling & Plumbing Difference

Fully Licensed & Insured

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

Trusted Since 1929

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

Financing Available

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

5-Star Customer Service

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

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

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

Fully Licensed & Insured

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

Trusted Since 1929

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

Financing Available

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

5-Star Customer Service

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

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

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

Review Image
Our Reviews

See What Your Neighbors Are Saying

I liked my experience with them. The guys I spoke with prior to doing the work, the estimation phase , and the ones I spoke with after the work was completed had enough knowledge and suggestion to answer all my questions. I’m pleased with the job…

De'Angelo T.

De'Angelo T.

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

Jerry W.

Jerry W.

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

J. K.

J. K.

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

Paul K.

Paul K.

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

Christin C.

Christin C.