Reliable Heating, Cooling, And Plumbing Services In Slinger | Thielmann Heating And Cooling

Reliable Heating, Cooling, and Plumbing Services in Slinger

Your home is your sanctuary, and at Thielmann Heating, Cooling & Plumbing, we’re here to help keep it that way. Since 1929, we’ve been the trusted name in the Grand Rapids area for heating, cooling, and plumbing services that go beyond quick fixes—we focus on long-term comfort, reliability, and efficiency. Our team takes a hands-on approach, ensuring that every repair, installation, and maintenance job is done with precision and care. We know what it takes to keep a home running smoothly, and we’re committed to delivering Slinger home services that give you confidence in your home’s essential systems, no matter the season. When you need the best, call the Thielmann team at (262) 299-6197 or contact us online for more information. 

Dependable Slinger Heating Services 

Milwaukee, WI Heating Maintenance and Tune-Up Services

Having a dependable heating system means more than just staying warm—it’s about keeping your home safe and comfortable through the toughest months of the year. Whether your current system is outdated or struggling, we’re here to help. The team of Slinger HVAC technicians at Thielmann takes the time to understand your space, energy needs, and comfort preferences to recommend the best heating solution for your home, so you can enjoy consistent, reliable warmth all season long. Our heating services in Slinger include:

Boiler Maintenance & Repair

Boilers offer steady, even heating, but they need regular care to keep running efficiently. Our Slinger HVAC technicians provide comprehensive maintenance, checking for leaks, flushing the system, and ensuring proper pressure so your boiler continues to deliver dependable warmth. If it’s time for a replacement, we’ll guide you through the best options available.

Furnace Installation & Replacement

Is your old furnace struggling to keep up? A new, energy-efficient system can make a world of difference in both warmth and energy costs. We help homeowners choose the right furnace for their home, ensuring it’s the perfect size and properly installed for maximum efficiency. No more cold spots, no more sky-high heating bills—just reliable warmth when you need it most.

Preventative Heating Maintenance in Slinger

Regular tune-ups help keep your system running smoothly and efficiently, reducing the risk of breakdowns when you need heat the most. Our heating maintenance services ensure your heating system in Slinger stays in peak condition, saving you money on repairs and energy bills in the long run.

Fast, Reliable Heating Repairs

A broken heating system in the middle of winter is more than an inconvenience—it’s an emergency. We respond quickly to diagnose the issue and get your heat back on as soon as possible. From minor fixes to major repairs, we have the expertise to restore warmth to your home without unnecessary delays.

Slinger Cooling Services That Beat the Heat

If your Slinger air conditioning system is working overtime and still not keeping up, it might be time for an upgrade or a professional maintenance call. Our team of local HVAC technicians focuses on more than just quick fixes—we assess airflow, insulation, and system efficiency to make sure your cooling setup is working at its best. Our cooling services in Slinger include:

  • AC Installation & Replacement: If your current system isn’t keeping up, we’ll help you choose and install an energy-efficient AC unit that delivers powerful cooling without breaking the bank.
  • Ductless Mini-Split Systems: Perfect for homes without central air, mini-splits offer precise temperature control while saving energy.
  • AC Repairs: Strange noises? Weak airflow? Warm air instead of cold? We quickly diagnose and fix any issue, so your system runs like new again.
  • AC Maintenance Plans: Prevent breakdowns and extend the life of your AC with seasonal tune-ups that improve performance and reduce energy costs.

Comprehensive Plumbing Services in Slinger

Copy of Thielmann - Brookfield - House 2

A plumbing issue can throw your whole day off track, whether it’s an annoying drip, a water heater that suddenly quits, or a pipe that bursts without warning. Instead of stressing over leaks and repairs, let us handle it. With Slinger plumbing services from Thielmann, you get a team that will tackle every job with precision, whether it’s a simple fix or a major installation, so you can get back to your routine without the headache.

Why Homeowners Trust Thielmann Heating, Cooling & Plumbing

For nearly a century, we’ve built a reputation for excellence, and we’re proud to be the go-to home service provider in Slinger. Here’s why homeowners continue to choose us:

  • Generations of Expertise: With over 90 years in business, we’ve seen it all and know what works best for homes in the area.
  • Top-Quality Products & Workmanship: We only use the best materials and equipment, ensuring every repair and installation is built to last.
  • Personalized Service: Every home is unique, and we take the time to find solutions that fit your specific needs and budget.
  • Honest, Upfront Pricing: No surprises, no gimmicks—just straightforward pricing and clear explanations of the work we do.
  • Fast & Friendly Service: We respect your time and work efficiently to restore comfort to your home as quickly as possible.

Schedule Your Service in Slinger Today

At Thielmann Heating, Cooling & Plumbing, we know that a comfortable home isn’t just about functioning comfort systems—it’s about peace of mind. Whether your heating needs a tune-up, your AC could use an upgrade, or your plumbing is acting up, we’re here to provide expert service you can trust. Reach out today by calling (262) 299-6197 to schedule an appointment and let us handle the hard work while you enjoy the comfort of a well-maintained home.

 

Recent Jobs and Reviews in Slinger, WI

Job Locations and Reviews

Performed routine maintenance tune-up on HVAC unit. Inspected interior components including motor, wiring, and circuit board for proper function. Examined PVC condensate lines and ductwork connections, confirming all systems operating within normal parameters.
Performed routine maintenance tune-up on HVAC unit. Inspected interior components including motor, wiring, and circuit board for proper function. Examined PVC condensate lines and ductwork connections, confirming all systems operating within normal parameters.
Nick K.
Nick K. Checked in
Performed routine maintenance tune-up on HVAC unit. Inspected interior components including motor, wiring, and circuit board for proper function. Examined PVC condensate lines and ductwork connections, confirming all systems operating within normal parameters.
Slinger, WI 53086
Performed inspection of electrical panels related to HVAC system replacement assessment. Examined two breaker panels showing signs of age and wear. Documented existing circuit configuration, including labeled water heater and furnace connections. Panels exhibited normal deterioration consistent with older installation but remain functional. Photos taken for electrical load capacity evaluation prior to equipment selection and installation planning.
Performed inspection of electrical panels related to HVAC system replacement assessment. Examined two breaker panels showing signs of age and wear. Documented existing circuit configuration, including labeled water heater and furnace connections. Panels exhibited normal deterioration consistent with older installation but remain functional. Photos taken for electrical load capacity evaluation prior to equipment selection and installation planning.
Jason G.
Jason G. Checked in
Performed inspection of electrical panels related to HVAC system replacement assessment. Examined two breaker panels showing signs of age and wear. Documented existing circuit configuration, including labeled water heater and furnace connections. Panels exhibited normal deterioration consistent with older installation but remain functional. Photos taken for electrical load capacity evaluation prior to equipment selection and installation planning.
Slinger, WI 53086
Performed diagnostic inspection on tankless water heater, examining internal components including heat exchanger, circuit board, and copper piping connections. Removed cover to access and evaluate electronic components, focusing on the control board with multiple colored wiring connections. Inspected L-shaped copper pipe assembly and associated clamps for proper installation and potential leaks. System was reassembled after verification of proper operation.
Performed diagnostic inspection on tankless water heater, examining internal components including heat exchanger, circuit board, and copper piping connections. Removed cover to access and evaluate electronic components, focusing on the control board with multiple colored wiring connections. Inspected L-shaped copper pipe assembly and associated clamps for proper installation and potential leaks. System was reassembled after verification of proper operation.
Gabriel S.
Gabriel S. Checked in
Performed diagnostic inspection on tankless water heater, examining internal components including heat exchanger, circuit board, and copper piping connections. Removed cover to access and evaluate electronic components, focusing on the control board with multiple colored wiring connections. Inspected L-shaped copper pipe assembly and associated clamps for proper installation and potential leaks. System was reassembled after verification of proper operation.
Slinger, WI 53086
Performed comprehensive tune-up on Trane furnace and Honeywell HVAC system. Inspected all components, cleaned heat exchanger and burners, and verified proper operation of safety controls. System is functioning efficiently with no issues detected.
Performed comprehensive tune-up on Trane furnace and Honeywell HVAC system. Inspected all components, cleaned heat exchanger and burners, and verified proper operation of safety controls. System is functioning efficiently with no issues detected.
Makinze C.
Makinze C. Checked in
Performed comprehensive tune-up on Trane furnace and Honeywell HVAC system. Inspected all components, cleaned heat exchanger and burners, and verified proper operation of safety controls. System is functioning efficiently with no issues detected.
Slinger, WI 53086
Conducted electrical panel inspection to identify appropriate circuit breakers for HVAC system replacement. Evaluated existing panel capacity and documented circuit labeling for proper connection of new equipment. Assessed service area access and workspace conditions in preparation for installation.
Conducted electrical panel inspection to identify appropriate circuit breakers for HVAC system replacement. Evaluated existing panel capacity and documented circuit labeling for proper connection of new equipment. Assessed service area access and workspace conditions in preparation for installation.
Bryan P.
Bryan P. Checked in
Conducted electrical panel inspection to identify appropriate circuit breakers for HVAC system replacement. Evaluated existing panel capacity and documented circuit labeling for proper connection of new equipment. Assessed service area access and workspace conditions in preparation for installation.
Slinger, WI 53086
Completed inspection of existing HVAC system installation in utility space. Documented primary furnace/air handler unit with associated PVC exhaust/intake piping, copper refrigerant lines, and connected ductwork. System appears to have standard installation with proper venting configuration. Photos taken of plumbing connections and main HVAC unit for reference in replacement estimate.
Completed inspection of existing HVAC system installation in utility space. Documented primary furnace/air handler unit with associated PVC exhaust/intake piping, copper refrigerant lines, and connected ductwork. System appears to have standard installation with proper venting configuration. Photos taken of plumbing connections and main HVAC unit for reference in replacement estimate.
Bryan P.
Bryan P. Checked in
Completed inspection of existing HVAC system installation in utility space. Documented primary furnace/air handler unit with associated PVC exhaust/intake piping, copper refrigerant lines, and connected ductwork. System appears to have standard installation with proper venting configuration. Photos taken of plumbing connections and main HVAC unit for reference in replacement estimate.
Slinger, WI 53086
Performed inspection of metal ductwork system, examining interior surfaces for signs of corrosion and structural integrity. Observed minor discoloration and light corrosion along bottom seams of galvanized sheet metal, with some dust accumulation. System appears functionally intact with no significant damage requiring immediate repair.
Performed inspection of metal ductwork system, examining interior surfaces for signs of corrosion and structural integrity. Observed minor discoloration and light corrosion along bottom seams of galvanized sheet metal, with some dust accumulation. System appears functionally intact with no significant damage requiring immediate repair.
Makinze C.
Makinze C. Checked in
Performed inspection of metal ductwork system, examining interior surfaces for signs of corrosion and structural integrity. Observed minor discoloration and light corrosion along bottom seams of galvanized sheet metal, with some dust accumulation. System appears functionally intact with no significant damage requiring immediate repair.
Slinger, WI 53086
Slinger, WI - Conducted inspection of residential HVAC system with focus on the furnace unit. Examined internal components including electrical connections and wiring integrity. Verified proper installation of ventilation pipes, drainage systems, and associated components including the adjacent air filtration system.
Nicholas H.
Nicholas H. Checked in
Conducted inspection of residential HVAC system with focus on the furnace unit. Examined internal components including electrical connections and wiring integrity. Verified proper installation of ventilation pipes, drainage systems, and associated components including the adjacent air filtration system.
Slinger, WI 53086
Performed routine tune-up on Carrier Comfort furnace system located in basement utility room. Inspected all components including ductwork, PVC ventilation piping, electrical connections, and air filter. System appears to be in good working condition with no visible damage or wear detected.
Performed routine tune-up on Carrier Comfort furnace system located in basement utility room. Inspected all components including ductwork, PVC ventilation piping, electrical connections, and air filter. System appears to be in good working condition with no visible damage or wear detected.
Nicholas H.
Nicholas H. Checked in
Performed routine tune-up on Carrier Comfort furnace system located in basement utility room. Inspected all components including ductwork, PVC ventilation piping, electrical connections, and air filter. System appears to be in good working condition with no visible damage or wear detected.
Slinger, WI 53086
Performed standard tune-up service on residential furnace system. Inspected interior components including gas valve assembly, control module, and electrical connections - all found in normal working condition with no visible damage or abnormal wear. Examined condensate drainage system with PVC piping; verified proper installation and functionality of all ventilation components.
Performed standard tune-up service on residential furnace system. Inspected interior components including gas valve assembly, control module, and electrical connections - all found in normal working condition with no visible damage or abnormal wear. Examined condensate drainage system with PVC piping; verified proper installation and functionality of all ventilation components.
Nick K.
Nick K. Checked in
Performed standard tune-up service on residential furnace system. Inspected interior components including gas valve assembly, control module, and electrical connections - all found in normal working condition with no visible damage or abnormal wear. Examined condensate drainage system with PVC piping; verified proper installation and functionality of all ventilation components.
Slinger, WI 53086
Responded to callback regarding improperly sealed condensate drain lines. Upon inspection, identified excessive red PVC cement/primer around pipe connections causing wall staining. Cleaned affected areas, resealed connections properly, and verified drainage system functionality.
Responded to callback regarding improperly sealed condensate drain lines. Upon inspection, identified excessive red PVC cement/primer around pipe connections causing wall staining. Cleaned affected areas, resealed connections properly, and verified drainage system functionality.
Nicholas H.
Nicholas H. Checked in
Responded to callback regarding improperly sealed condensate drain lines. Upon inspection, identified excessive red PVC cement/primer around pipe connections causing wall staining. Cleaned affected areas, resealed connections properly, and verified drainage system functionality.
Slinger, WI 53086
Slinger, WI - Performed routine maintenance inspection on residential HVAC system in basement utility area. Examined main ductwork system, drainage components, and PVC ventilation pipes - all connections secure with no visible leaks or damage. System functioning properly with no issues requiring repair at this time.
Nick K.
Nick K. Checked in
Performed routine maintenance inspection on residential HVAC system in basement utility area. Examined main ductwork system, drainage components, and PVC ventilation pipes - all connections secure with no visible leaks or damage. System functioning properly with no issues requiring repair at this time.
Slinger, WI 53086
Completed comprehensive tune-up and maintenance of residential HVAC system in basement utility area. Inspected furnace internal components (control board, motor, wiring) with front panel removed for thorough examination. Evaluated gas line connection and PVC exhaust/intake pipes, along with associated drainage and condensate removal system to ensure proper function and prevent potential issues.
Completed comprehensive tune-up and maintenance of residential HVAC system in basement utility area. Inspected furnace internal components (control board, motor, wiring) with front panel removed for thorough examination. Evaluated gas line connection and PVC exhaust/intake pipes, along with associated drainage and condensate removal system to ensure proper function and prevent potential issues.
Nick K.
Nick K. Checked in
Completed comprehensive tune-up and maintenance of residential HVAC system in basement utility area. Inspected furnace internal components (control board, motor, wiring) with front panel removed for thorough examination. Evaluated gas line connection and PVC exhaust/intake pipes, along with associated drainage and condensate removal system to ensure proper function and prevent potential issues.
Slinger, WI 53086
Slinger, WI - Conducted visual inspection of wall-mounted HVAC unit. System appears to be in good working condition with clean installation and no visible damage or deterioration. Unit is properly secured to wall with adequate clearance for optimal airflow.
Nick K.
Nick K. Checked in
Conducted visual inspection of wall-mounted HVAC unit. System appears to be in good working condition with clean installation and no visible damage or deterioration. Unit is properly secured to wall with adequate clearance for optimal airflow.
Slinger, WI 53086
Slinger, WI - Completed comprehensive inspection of drainage infrastructure in utility space. Verified integrity of PVC pipe configuration including multiple elbow joints and U-shaped pathway. All connections and coupling bands were confirmed secure with no signs of leakage.
Nick K.
Nick K. Checked in
Completed comprehensive inspection of drainage infrastructure in utility space. Verified integrity of PVC pipe configuration including multiple elbow joints and U-shaped pathway. All connections and coupling bands were confirmed secure with no signs of leakage.
Slinger, WI 53086
Slinger, WI - Completed routine tune-up service of the HVAC system in the utility area. Inspected PVC drainage pipes and galvanized ductwork, confirming all components were in good condition with no leaks or damage. Verified proper ventilation and drainage system functionality.
Nick K.
Nick K. Checked in
Completed routine tune-up service of the HVAC system in the utility area. Inspected PVC drainage pipes and galvanized ductwork, confirming all components were in good condition with no leaks or damage. Verified proper ventilation and drainage system functionality.
Slinger, WI 53086
Performed routine tune-up service on HVAC system. Observed significant dust accumulation in ventilation compartment requiring thorough cleaning. Identified and documented severe rust/corrosion on copper pipe connections near blower assembly that will require replacement to prevent potential system failure.
Performed routine tune-up service on HVAC system. Observed significant dust accumulation in ventilation compartment requiring thorough cleaning. Identified and documented severe rust/corrosion on copper pipe connections near blower assembly that will require replacement to prevent potential system failure.
Josh V.
Josh V. Checked in
Performed routine tune-up service on HVAC system. Observed significant dust accumulation in ventilation compartment requiring thorough cleaning. Identified and documented severe rust/corrosion on copper pipe connections near blower assembly that will require replacement to prevent potential system failure.
SLINGER, WI 53086
Successfully installed a new high-efficiency furnace in the utility room with properly connected PVC venting system. Ensured all connections to existing mechanical systems were properly secured, including gas line and electrical components. Unit was tested for proper operation with the EnergyGuide label affixed to confirm efficiency ratings.
Successfully installed a new high-efficiency furnace in the utility room with properly connected PVC venting system. Ensured all connections to existing mechanical systems were properly secured, including gas line and electrical components. Unit was tested for proper operation with the EnergyGuide label affixed to confirm efficiency ratings.
Branden B.
Branden B. Checked in
Successfully installed a new high-efficiency furnace in the utility room with properly connected PVC venting system. Ensured all connections to existing mechanical systems were properly secured, including gas line and electrical components. Unit was tested for proper operation with the EnergyGuide label affixed to confirm efficiency ratings.
SLINGER, WI 53086
Replaced faulty gas valve on aging furnace to restore heat function. Properly reconnected all wiring to new valve assembly and verified proper ignition sequence. System now operating within normal parameters.
Replaced faulty gas valve on aging furnace to restore heat function. Properly reconnected all wiring to new valve assembly and verified proper ignition sequence. System now operating within normal parameters.
Nicholas H.
Nicholas H. Checked in
Replaced faulty gas valve on aging furnace to restore heat function. Properly reconnected all wiring to new valve assembly and verified proper ignition sequence. System now operating within normal parameters.
Slinger, WI 53086
Performed gas line inspection and pressure test on a water heater installation. Located and tightened loose hex union connection on the gas supply pipe, which was causing a leak. Confirmed system integrity with final pressure test showing no further leaks in the gas line.
Performed gas line inspection and pressure test on a water heater installation. Located and tightened loose hex union connection on the gas supply pipe, which was causing a leak. Confirmed system integrity with final pressure test showing no further leaks in the gas line.
Kyle L.
Kyle L. Checked in
Performed gas line inspection and pressure test on a water heater installation. Located and tightened loose hex union connection on the gas supply pipe, which was causing a leak. Confirmed system integrity with final pressure test showing no further leaks in the gas line.
Slinger, WI 53086

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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.