Heating & Cooling Services | Brookfield, WI | AC Replacement

Heating, Air Conditioning, and Plumbing Repair Services in Brookfield, WI

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Your HVAC system helps keep your home comfortable regardless of the weather outside. From snowy winters to blazing summers, your heating and air conditioning help keep your family comfortable and safe from the elements. 

Our team of HVAC professionals at The Thielmann Group Heating and Cooling understands this and is dedicated to providing outstanding customer service and HVAC service in Brookfield that will keep your system running smoothly for a long time. We offer heating and air conditioning services for every style of HVAC system, and we are ready to serve our local community in the Brookfield, Wisconsin area! 

Air Conditioning Repair and Tune-Up Services

As temperatures rise over the summer, your air conditioning keeps you and your family cool and comfortable. Our team of HVAC professionals at The Thielmann Group offers air conditioning service in Brookfield, WI, to keep your system in peak condition and save you money on more expensive repairs later down the road. We tailor our services to meet your home’s needs while staying within budget.

AC Replacement and Installation Services

Maintaining a comfortable temperature in your home during the blazing Brookfield summers is important in keeping your family safe and comfortable. As Brookfield’s trusted HVAC experts, we handle every aspect of your AC replacement project and understand the importance of a well-functioning air conditioner, which is why we offer specialized air conditioner replacement and installation services to keep your HVAC system running at its highest potential throughout the summer. 

Ductless Mini-Split Installation and Repair Services

While the traditional HVAC setup requires a separate air conditioning unit and furnace to provide heat and cool air, a ductless mini-split HVAC system provides heating and cooling solutions with only one system. It can be a versatile heating and cooling option for both the summer and winter. The Thielmann Group offers installation and repair services for ductless mini-split HVAC systems to keep your home cool and comfortable.

AC maintenance

Furnace Repair and Cleaning Services

Your furnace keeps your home nice and toasty even when there is snow outside your window. Our team at The Thielmann Group offers furnace repair in Brookfield, WI, including repairs and cleanings to keep your furnace running smoothly. Yearly furnace cleanings can help prolong the lifespan of your furnace and prevent more costly repairs later down the road.

Furnace Installation and Replacement Services

A reliable furnace can help keep your family warm even during the snowy winter months. Our team of professional furnace technicians offers an expert and thorough furnace service in Brookfield, WI that includes same-day services and customer-focused solutions that will last a lifetime. Whether replacing your outdated furnace or installing a brand new furnace, our team at The Thielmann Group is ready to help every step of the way.

Heat Pump System Installation Services

Heat pumps offer an alternative to the traditional furnace method of heating your home. Our team of professionals at The Thielmann Group offers upfront pricing, free estimates, and a customized installation plan to keep the process as smooth as possible and provide results that will last a lifetime. We offer heat pump installation services to keep your home heated—even if snow is on the ground outside. 

Boiler Installation and Repair Services

Boilers don’t just provide your home with warm water during the winter months, but they can also heat your home as part of your HVAC system. We offer boiler installation and repair services to ensure your home remains heated and comfortable.

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Thermostat Installation and Repair Services 

The thermostat in your home is like the brain of your HVAC system, controlling whether the heating or cooling system is running and the temperature your home needs to maintain. A good-quality thermostat gives you extensive control over the temperature of your home and endless customization options. The Thielmann Group offers thermostat installation and repair services for both smart thermostats and traditional thermostat systems.

Commercial Heating Maintenance and Installation Services

Your business or other commercial building requires reliable heating and cooling to keep work running smoothly and employees comfortable every season. Our HVAC technicians at The Thielmann Group are trained and certified to provide top-notch heating and cooling services for commercial buildings in the Brookfield area. We also offer air quality services including repairing faulty ductwork.

Have Fun this Weekend Instead of Worrying About HVAC Issues in Your Home

Leaving the dirty work to the professionals at The Thielmann Group ensures that your HVAC system is in good hands, but also gives you the freedom to enjoy your weekend with your family and friends instead of worrying about HVAC issues in your home. If you want to explore family entertainment, swing by the Silverspot Theater in downtown Brookfield. While we work on your home, take a break and enjoy some delicious tacos at the Belair Cantina. Enjoy your time off, and leave the heating and cooling services for your Brookfield home to us!

Thielmann

Our Professionals Will Keep Your Home Comfortable During the Autumn, Winter, Spring, and Summer Seasons

As the seasons change, so do your HVAC needs. Summers in Brookfield can get as cold as 10 degrees Fahrenheit, and your heating needs to maintain a comfortable temperature in your home. Also, in the summer, your air conditioning keeps you comfortable and protected from the blazing temperatures of up to 90 degrees Fahrenheit Our team of experts at The Thielmann Group is ready to work with you on any repair or maintenance services to keep your HVAC system in peak condition to withstand the weather outside your door.

Book a Heating or Cooling Appointment With Our Team in Brookfield

Are you looking to schedule an appointment with one of our expert HVAC technicians? Contact The Thielmann Group Heating & Cooling online or over the phone at (626) 600-3896 for a free estimate or to schedule a visit. Our team is ready and available to answer any questions or concerns you may have. Whether it is your heating or air conditioning, our team is ready to get the job done.

Read Reviews by Our Customers

Recent Jobs and Reviews in Brookfield, WI

Job Locations and Reviews

Performed routine HVAC maintenance service. Conducted diagnostic testing using Fieldpiece SC680 multimeter which showed reading of 63.48, and temperature measurements with UEI digital thermometer indicating 6.08°F. All system parameters verified within normal operating specifications.
Performed routine HVAC maintenance service. Conducted diagnostic testing using Fieldpiece SC680 multimeter which showed reading of 63.48, and temperature measurements with UEI digital thermometer indicating 6.08°F. All system parameters verified within normal operating specifications.
Carlos R
Carlos R Checked in
Performed routine HVAC maintenance service. Conducted diagnostic testing using Fieldpiece SC680 multimeter which showed reading of 63.48, and temperature measurements with UEI digital thermometer indicating 6.08°F. All system parameters verified within normal operating specifications.
Brookfield, WI 53005
Replaced severely corroded brass pipe fitting on customer's faucet supply line. Identified significant mineral buildup and verdigris formation at threaded connection points. Installed new brass fitting to eliminate leak potential and restore proper water flow.
Replaced severely corroded brass pipe fitting on customer's faucet supply line. Identified significant mineral buildup and verdigris formation at threaded connection points. Installed new brass fitting to eliminate leak potential and restore proper water flow.
Kyle L.
Kyle L. Checked in
Replaced severely corroded brass pipe fitting on customer's faucet supply line. Identified significant mineral buildup and verdigris formation at threaded connection points. Installed new brass fitting to eliminate leak potential and restore proper water flow.
Brookfield, WI 53045
Performed installation of two tanked water heaters with proper copper piping connections. System includes a blue expansion tank, temperature and pressure relief valves, and necessary control valves including a prominent yellow handle valve. Observed minor corrosion on some copper fittings. All components were verified to be functioning correctly with no leaks detected.
Performed installation of two tanked water heaters with proper copper piping connections. System includes a blue expansion tank, temperature and pressure relief valves, and necessary control valves including a prominent yellow handle valve. Observed minor corrosion on some copper fittings. All components were verified to be functioning correctly with no leaks detected.
Kyle L.
Kyle L. Checked in
Performed installation of two tanked water heaters with proper copper piping connections. System includes a blue expansion tank, temperature and pressure relief valves, and necessary control valves including a prominent yellow handle valve. Observed minor corrosion on some copper fittings. All components were verified to be functioning correctly with no leaks detected.
Brookfield, WI 53045
Replaced severely corroded copper supply lines to faucet fixture. Removed existing pipes showing significant oxidation and green patina, installed new copper piping with appropriate valves and connections, and applied proper sealing compound at joints. Tested system for leaks and proper water flow after installation.
Replaced severely corroded copper supply lines to faucet fixture. Removed existing pipes showing significant oxidation and green patina, installed new copper piping with appropriate valves and connections, and applied proper sealing compound at joints. Tested system for leaks and proper water flow after installation.
Gabriel S.
Gabriel S. Checked in
Replaced severely corroded copper supply lines to faucet fixture. Removed existing pipes showing significant oxidation and green patina, installed new copper piping with appropriate valves and connections, and applied proper sealing compound at joints. Tested system for leaks and proper water flow after installation.
Brookfield, WI 53005
Performed comprehensive tune-up on existing HVAC system, inspecting copper line connections and Amtrol expansion tank. Verified proper operation of all components, checked refrigerant lines for leaks, and confirmed system pressure levels were within manufacturer specifications. System is functioning efficiently with no immediate concerns noted.
Performed comprehensive tune-up on existing HVAC system, inspecting copper line connections and Amtrol expansion tank. Verified proper operation of all components, checked refrigerant lines for leaks, and confirmed system pressure levels were within manufacturer specifications. System is functioning efficiently with no immediate concerns noted.
Kevin P.
Kevin P. Checked in
Performed comprehensive tune-up on existing HVAC system, inspecting copper line connections and Amtrol expansion tank. Verified proper operation of all components, checked refrigerant lines for leaks, and confirmed system pressure levels were within manufacturer specifications. System is functioning efficiently with no immediate concerns noted.
Brookfield, WI 53045
Performed routine maintenance on HVAC system. Inspected furnace components including ignition assembly with blue indicator lights. Utilized hex key to adjust mechanical elements and checked electrical connections. All systems functioning properly after service.
Performed routine maintenance on HVAC system. Inspected furnace components including ignition assembly with blue indicator lights. Utilized hex key to adjust mechanical elements and checked electrical connections. All systems functioning properly after service.
Makinze C
Makinze C Checked in
Performed routine maintenance on HVAC system. Inspected furnace components including ignition assembly with blue indicator lights. Utilized hex key to adjust mechanical elements and checked electrical connections. All systems functioning properly after service.
Brookfield, WI 53005
Performed comprehensive tune-up service on Lennox HVAC system located in utility area. Inspected furnace unit, vertical PVC exhaust pipes, and connected ductwork for proper installation and operation. System appears to be in good working condition with clean, professional installation and appropriate venting.
Performed comprehensive tune-up service on Lennox HVAC system located in utility area. Inspected furnace unit, vertical PVC exhaust pipes, and connected ductwork for proper installation and operation. System appears to be in good working condition with clean, professional installation and appropriate venting.
Makinze C
Makinze C Checked in
Performed comprehensive tune-up service on Lennox HVAC system located in utility area. Inspected furnace unit, vertical PVC exhaust pipes, and connected ductwork for proper installation and operation. System appears to be in good working condition with clean, professional installation and appropriate venting.
Brookfield, WI 53045
Installed and configured ecobee smart thermostat system. Set initial temperature to 68°F and verified proper display functioning. Confirmed home occupancy mode is operational with battery level reading at 56%.
Installed and configured ecobee smart thermostat system. Set initial temperature to 68°F and verified proper display functioning. Confirmed home occupancy mode is operational with battery level reading at 56%.
Todd H.
Todd H. Checked in
Installed and configured ecobee smart thermostat system. Set initial temperature to 68°F and verified proper display functioning. Confirmed home occupancy mode is operational with battery level reading at 56%.
Brookfield, WI 53005
Conducted comprehensive inspection of residential water service system in unfinished basement. Examined copper water supply lines, PEX tubing connections, and existing pipe fittings for potential upgrade opportunities. Documented current configuration of plumbing infrastructure to prepare detailed estimate for water service replacement or modification.
Conducted comprehensive inspection of residential water service system in unfinished basement. Examined copper water supply lines, PEX tubing connections, and existing pipe fittings for potential upgrade opportunities. Documented current configuration of plumbing infrastructure to prepare detailed estimate for water service replacement or modification.
Andy S.
Andy S. Checked in
Conducted comprehensive inspection of residential water service system in unfinished basement. Examined copper water supply lines, PEX tubing connections, and existing pipe fittings for potential upgrade opportunities. Documented current configuration of plumbing infrastructure to prepare detailed estimate for water service replacement or modification.
Brookfield, WI 53005
Performed routine maintenance on Carrier furnace system. Inspected interior components including blower motor, circuit board with wiring connections, and heat exchanger - all found in normal operating condition. Visual inspection showed no signs of damage or unusual wear to any components.
Performed routine maintenance on Carrier furnace system. Inspected interior components including blower motor, circuit board with wiring connections, and heat exchanger - all found in normal operating condition. Visual inspection showed no signs of damage or unusual wear to any components.
Amanda P
Amanda P Checked in
Performed routine maintenance on Carrier furnace system. Inspected interior components including blower motor, circuit board with wiring connections, and heat exchanger - all found in normal operating condition. Visual inspection showed no signs of damage or unusual wear to any components.
Brookfield, WI 53045
Performed routine maintenance inspection on HVAC system per agreement. Conducted pressure testing with digital diagnostic tool, recording pressure readings of 347 and 341 PSI. Inspected plumbing infrastructure and verified proper operation of shutoff valves in the mechanical space.
Performed routine maintenance inspection on HVAC system per agreement. Conducted pressure testing with digital diagnostic tool, recording pressure readings of 347 and 341 PSI. Inspected plumbing infrastructure and verified proper operation of shutoff valves in the mechanical space.
Nick K.
Nick K. Checked in
Performed routine maintenance inspection on HVAC system per agreement. Conducted pressure testing with digital diagnostic tool, recording pressure readings of 347 and 341 PSI. Inspected plumbing infrastructure and verified proper operation of shutoff valves in the mechanical space.
Brookfield, WI 53005
Performed comprehensive HVAC tune-up service with complete system inspection. Conducted temperature differential testing with readings of 112°F, confirming proper system operation. All components are functioning within manufacturer specifications and no issues were detected during the service.
Performed comprehensive HVAC tune-up service with complete system inspection. Conducted temperature differential testing with readings of 112°F, confirming proper system operation. All components are functioning within manufacturer specifications and no issues were detected during the service.
Todd H.
Todd H. Checked in
Performed comprehensive HVAC tune-up service with complete system inspection. Conducted temperature differential testing with readings of 112°F, confirming proper system operation. All components are functioning within manufacturer specifications and no issues were detected during the service.
Brookfield, WI 53045
Brookfield, WI - Responded to no heat call for Lennox system less than 10 years old. Performed diagnostic inspection of the furnace which displayed "Healthy Climate Solutions" branding. Identified failed flame sensor causing ignition failure. Cleaned sensor contacts, tested system through multiple heating cycles confirming proper flame detection and normal operation restored.
Todd H.
Todd H. Checked in
Responded to no heat call for Lennox system less than 10 years old. Performed diagnostic inspection of the furnace which displayed "Healthy Climate Solutions" branding. Identified failed flame sensor causing ignition failure. Cleaned sensor contacts, tested system through multiple heating cycles confirming proper flame detection and normal operation restored.
Brookfield, WI 53005
Conducted comprehensive inspection of existing Lennox HVAC system in basement utility area. Documented current installation configuration, including furnace unit, PVC ventilation pipes, ductwork, and air handler components. Evaluated plumbing infrastructure connections and ceiling-mounted PVC piping system for replacement planning purposes.
Conducted comprehensive inspection of existing Lennox HVAC system in basement utility area. Documented current installation configuration, including furnace unit, PVC ventilation pipes, ductwork, and air handler components. Evaluated plumbing infrastructure connections and ceiling-mounted PVC piping system for replacement planning purposes.
Josh V.
Josh V. Checked in
Conducted comprehensive inspection of existing Lennox HVAC system in basement utility area. Documented current installation configuration, including furnace unit, PVC ventilation pipes, ductwork, and air handler components. Evaluated plumbing infrastructure connections and ceiling-mounted PVC piping system for replacement planning purposes.
Brookfield, WI 53045
Performed comprehensive tune-up on HVAC system, inspecting electrical components and connections. Examined blower motor assembly and circuit board, verifying proper wire connections and component functionality. All mechanical parts were inspected and confirmed to be operating within normal parameters.
Performed comprehensive tune-up on HVAC system, inspecting electrical components and connections. Examined blower motor assembly and circuit board, verifying proper wire connections and component functionality. All mechanical parts were inspected and confirmed to be operating within normal parameters.
Kevin P.
Kevin P. Checked in
Performed comprehensive tune-up on HVAC system, inspecting electrical components and connections. Examined blower motor assembly and circuit board, verifying proper wire connections and component functionality. All mechanical parts were inspected and confirmed to be operating within normal parameters.
Brookfield, WI 53045
Performed regular maintenance inspection on customer's Bryant furnace located in basement. System appeared to be in normal working condition with proper installation of PVC venting. Visual inspection showed no obvious damage or irregularities to the unit or connected Honeywell control module. Recommended continued adherence to maintenance schedule to ensure optimal performance.
Performed regular maintenance inspection on customer's Bryant furnace located in basement. System appeared to be in normal working condition with proper installation of PVC venting. Visual inspection showed no obvious damage or irregularities to the unit or connected Honeywell control module. Recommended continued adherence to maintenance schedule to ensure optimal performance.
Todd H.
Todd H. Checked in
Performed regular maintenance inspection on customer's Bryant furnace located in basement. System appeared to be in normal working condition with proper installation of PVC venting. Visual inspection showed no obvious damage or irregularities to the unit or connected Honeywell control module. Recommended continued adherence to maintenance schedule to ensure optimal performance.
Brookfield, WI 53045
Performed comprehensive tune-up on residential HVAC system. Inspected interior components including blower motor assembly, circuit board, gas valve, and ignition system. Cleaned accumulated dust from internal components and verified proper wire connections throughout the unit.
Performed comprehensive tune-up on residential HVAC system. Inspected interior components including blower motor assembly, circuit board, gas valve, and ignition system. Cleaned accumulated dust from internal components and verified proper wire connections throughout the unit.
Ron B.
Ron B. Checked in
Performed comprehensive tune-up on residential HVAC system. Inspected interior components including blower motor assembly, circuit board, gas valve, and ignition system. Cleaned accumulated dust from internal components and verified proper wire connections throughout the unit.
Brookfield, WI 53005
Performed diagnostic pressure testing on the furnace system using manometer, obtaining baseline reading of 0.0. Inspected drainage assembly including PVC pipe connections and shutoff valve functionality. Confirmed proper operation of water management components related to furnace operation.
Performed diagnostic pressure testing on the furnace system using manometer, obtaining baseline reading of 0.0. Inspected drainage assembly including PVC pipe connections and shutoff valve functionality. Confirmed proper operation of water management components related to furnace operation.
Ron B.
Ron B. Checked in
Performed diagnostic pressure testing on the furnace system using manometer, obtaining baseline reading of 0.0. Inspected drainage assembly including PVC pipe connections and shutoff valve functionality. Confirmed proper operation of water management components related to furnace operation.
Brookfield, WI 53005
Performed inspection and assessment of existing sump pump system in utility area. Evaluated drainage connections from floor drain to main discharge pipe, examined PVC piping condition and proper installation of joints. Identified mounting points for potential installation of new sump pump with appropriate discharge configuration to existing plumbing infrastructure.
Performed inspection and assessment of existing sump pump system in utility area. Evaluated drainage connections from floor drain to main discharge pipe, examined PVC piping condition and proper installation of joints. Identified mounting points for potential installation of new sump pump with appropriate discharge configuration to existing plumbing infrastructure.
Gabriel S.
Gabriel S. Checked in
Performed inspection and assessment of existing sump pump system in utility area. Evaluated drainage connections from floor drain to main discharge pipe, examined PVC piping condition and proper installation of joints. Identified mounting points for potential installation of new sump pump with appropriate discharge configuration to existing plumbing infrastructure.
Brookfield, WI 53005
Conducted thorough inspection of under-sink plumbing and attic water supply infrastructure. Identified copper pipe connection issues in the attic crawl space with compromised joint fitting. Documented system components and insulation condition with comprehensive photos to support estimate for fixture replacement.
Conducted thorough inspection of under-sink plumbing and attic water supply infrastructure. Identified copper pipe connection issues in the attic crawl space with compromised joint fitting. Documented system components and insulation condition with comprehensive photos to support estimate for fixture replacement.
Gabriel S.
Gabriel S. Checked in
Conducted thorough inspection of under-sink plumbing and attic water supply infrastructure. Identified copper pipe connection issues in the attic crawl space with compromised joint fitting. Documented system components and insulation condition with comprehensive photos to support estimate for fixture replacement.
Brookfield, WI 53005
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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.