HVAC & Air Conditioner Repair Experts In Waterford, WI

Heating, Cooling and Plumbing Services in Waterford, Wisconsin

Your Local HVAC Company since 1929

Thielmann - New Berlin - Thielmann 10

Thielmann Heating, Cooling, & Plumbing is the trusted choice for all your heating, ventilation and air conditioning (HVAC) and plumbing needs in Waterford, Wisconsin! Our number one priority is customer satisfaction, and we go above and beyond to ensure you receive the best service possible. Give our team a call at (262) 384-6407 to receive assistance with a malfunctioning HVAC or plumbing system or if you need efficient installation or maintenance services.

Waterford Heating Company

Do you need reliable heating services in Waterford? We work hard to provide the best heating products, installation and services in Waterford, Wisconsin.

Our trained professionals are always willing to take on routine and complex projects. Rest assured, we’ve got you covered with prompt, 24/7 service to repair all makes and models. Our heating services include:

  • Heating repairs: Few things are as satisfying and convenient as turning on your heater after coming in from the cold. When your heater’s making loud noises, you notice strange odors or you’re not getting enough warm air, we can assist. We’ll drive to your property and repair the issue promptly.
  • Heating installations: Trust our HVAC technicians to provide a durable, energy-efficient installation. From boilers to gas and oil furnaces, we can install them all.
  • Heating maintenance: Be ahead of unexpected breakdowns. When you sign up for our maintenance program, you can enjoy regular heater checkups and an annual plumbing inspection.

Waterford, WI Air Conditioner and HVAC Repair Services

Reliable Cooling Services

Keep your home comfortable and beat the heat with our air conditioner services, which include:

  • AC repairs: We have the skills and knowledge to handle any air conditioner issues and will repair your cooling system with care.
  • AC installations: If it’s time for a new AC, look to us. We use advanced tools and the latest industry techniques to install your air conditioner safely and according to compliance standards.
  • AC maintenance: Annual tuneups can give you peace of mind and save you money in the long run. From clearing the drain line and pan to checking refrigerant levels, we’ll do a thorough checkup for a smooth-running unit.

We service various cooling systems, such as:

  • Air conditioners: We can work on all models of air conditioners for residential and commercial properties, including central air conditioning systems.
  • Ductless mini-splits: Request installation and maintenance services for ductless mini-split systems, perfect for homes without existing ductwork
  • Packaged units: We can handle packaged unit systems for both residential and commercial properties.
  • Heat pumps: Get repairs, installation and maintenance for energy-efficient heat pumps that deliver warm and cool air.

Indoor Air Quality Solutions

We understand the importance of clean and healthy indoor environments for homes and businesses. Our comprehensive solutions, including humidity control, air purification and duct cleaning and installation, are designed to enhance the quality of your indoor air.

Your HVAC’s ductwork is like your property’s lungs, ensuring comfort and well-being as heated or cooled air flows through the duct system. Achieve optimal indoor air quality with our comprehensive selection of air purification services in the local Waterford, Wisconsin, area:

Plumbing Services You Can Trust

Whether you’re busy with a complete property upgrade or need smaller plumbing repairs, our technicians can handle it all. No job is too big or too small for us, and we go above and beyond for every customer. If you need reliable, efficient plumbing services in and around Waterford, we’re the local choice you can rely on. Call us for the following plumbing services:

Waterford, WI Air Conditioner and HVAC Repair Services

Contact Thielmann Heating, Cooling, & Plumbing Today

Since 1929, our team has been the go-to choice for top-quality residential and commercial HVAC and plumbing services in Waterford, Wisconsin and beyond. We can service all brands, provide 24/7 emergency HVAC care and more.

We also provide expert plumbing services for homes and businesses, enabling you to enjoy a comfortable property. Rest assured, we have you covered for all your plumbing and HVAC needs! Plus, we offer upfront pricing, financing options, special deals and a job well done.

Contact us online or call (262) 384-6407 today. You can also schedule the services you need.

Read Reviews by Our Customers

Recent Jobs and Reviews in Waterford, WI

Waterford, WI at a glance

Thielmann Heating, Cooling & Plumbing has completed 20 jobs in Waterford, WI between June 2026 and October 2026.

The most recent job was on October 5, 2026.

Thielmann Heating, Cooling & Plumbing has completed 136 jobs in Waterford, WI in the last 12 months.

Job Locations and Reviews

Waterford, WI - Conducted on-site evaluation for water softener installation in residential property. Assessed existing plumbing infrastructure including PVC supply lines, shut-off valves, and utility room configuration to determine optimal placement and integration requirements for new water conditioning system.
Nick B.
Nick B. Checked in
Conducted on-site evaluation for water softener installation in residential property. Assessed existing plumbing infrastructure including PVC supply lines, shut-off valves, and utility room configuration to determine optimal placement and integration requirements for new water conditioning system.
Waterford, WI 53185
Waterford, WI - Completed comprehensive furnace tune-up inspection prior to customer's seasonal departure. Performed full system evaluation including gas valve assembly, ignition components, blower motor operation, and main control board functionality. All mechanical and electrical components inspected, cleaned, and verified operational with proper wire connections and safety controls confirmed working within manufacturer specifications.
Kevin P.
Kevin P. Checked in
Completed comprehensive furnace tune-up inspection prior to customer's seasonal departure. Performed full system evaluation including gas valve assembly, ignition components, blower motor operation, and main control board functionality. All mechanical and electrical components inspected, cleaned, and verified operational with proper wire connections and safety controls confirmed working within manufacturer specifications.
Waterford, WI 53185
Completed preventive maintenance tune-up on 1-year-old furnace located in basement. Unit is operating properly with no reported issues or symptoms. Performed standard inspection procedures, verified manufacturer specifications and labeling, and inspected condensate trap assembly to ensure proper system function.
Completed preventive maintenance tune-up on 1-year-old furnace located in basement. Unit is operating properly with no reported issues or symptoms. Performed standard inspection procedures, verified manufacturer specifications and labeling, and inspected condensate trap assembly to ensure proper system function.
Rich L.
Rich L. Checked in
Completed preventive maintenance tune-up on 1-year-old furnace located in basement. Unit is operating properly with no reported issues or symptoms. Performed standard inspection procedures, verified manufacturer specifications and labeling, and inspected condensate trap assembly to ensure proper system function.
Waterford, WI 53185
Performed comprehensive tune-up and safety inspection on Carrier furnace unit. Conducted combustion analysis using Testo 310 analyzer, confirming optimal performance with oxygen levels at 94.0%, carbon monoxide at 12.0 ppm, carbon dioxide at 9%, and system efficiency at 93.8%. Inspected all internal components including control board, burner assembly, heat exchanger, electrical connections, and wiring harnesses, finding all systems operating within manufacturer specifications with normal wear patterns and no safety concerns identified.
Performed comprehensive tune-up and safety inspection on Carrier furnace unit. Conducted combustion analysis using Testo 310 analyzer, confirming optimal performance with oxygen levels at 94.0%, carbon monoxide at 12.0 ppm, carbon dioxide at 9%, and system efficiency at 93.8%. Inspected all internal components including control board, burner assembly, heat exchanger, electrical connections, and wiring harnesses, finding all systems operating within manufacturer specifications with normal wear patterns and no safety concerns identified.
Rich L.
Rich L. Checked in
Performed comprehensive tune-up and safety inspection on Carrier furnace unit. Conducted combustion analysis using Testo 310 analyzer, confirming optimal performance with oxygen levels at 94.0%, carbon monoxide at 12.0 ppm, carbon dioxide at 9%, and system efficiency at 93.8%. Inspected all internal components including control board, burner assembly, heat exchanger, electrical connections, and wiring harnesses, finding all systems operating within manufacturer specifications with normal wear patterns and no safety concerns identified.
Waterford, WI 53185
Completed comprehensive furnace tune-up including full system inspection and testing of all operational components. Replaced UV bulb in Patriot UV air purification system and verified proper function of control board, blower assembly, gas valve connections, and electrical wiring throughout the unit.
Completed comprehensive furnace tune-up including full system inspection and testing of all operational components. Replaced UV bulb in Patriot UV air purification system and verified proper function of control board, blower assembly, gas valve connections, and electrical wiring throughout the unit.
Rich L.
Rich L. Checked in
Completed comprehensive furnace tune-up including full system inspection and testing of all operational components. Replaced UV bulb in Patriot UV air purification system and verified proper function of control board, blower assembly, gas valve connections, and electrical wiring throughout the unit.
WATERFORD, WI 53185
Completed comprehensive tune-up on furnace and air conditioning system. Performed diagnostic testing on AC unit which had previously tripped high limit safety during recent hot weather operation, verified refrigerant pressures and electrical connections, and confirmed all components are now functioning within normal parameters.
Completed comprehensive tune-up on furnace and air conditioning system. Performed diagnostic testing on AC unit which had previously tripped high limit safety during recent hot weather operation, verified refrigerant pressures and electrical connections, and confirmed all components are now functioning within normal parameters.
Ron B.
Ron B. Checked in
Completed comprehensive tune-up on furnace and air conditioning system. Performed diagnostic testing on AC unit which had previously tripped high limit safety during recent hot weather operation, verified refrigerant pressures and electrical connections, and confirmed all components are now functioning within normal parameters.
Waterford, WI 53185
Completed comprehensive furnace tune-up and system inspection, including cleaning and checking all major components. Serviced condensate drain trap assembly, inspected blower housing and motor assembly, and secured electrical wiring with cable ties to ensure safe operation. All equipment tested and verified to be functioning within normal operating parameters.
Completed comprehensive furnace tune-up and system inspection, including cleaning and checking all major components. Serviced condensate drain trap assembly, inspected blower housing and motor assembly, and secured electrical wiring with cable ties to ensure safe operation. All equipment tested and verified to be functioning within normal operating parameters.
Rich L.
Rich L. Checked in
Completed comprehensive furnace tune-up and system inspection, including cleaning and checking all major components. Serviced condensate drain trap assembly, inspected blower housing and motor assembly, and secured electrical wiring with cable ties to ensure safe operation. All equipment tested and verified to be functioning within normal operating parameters.
Waterford, WI 53185
Completed comprehensive whole home plumbing inspection of residential property. Evaluated all accessible plumbing systems including water supply lines, drainage systems, sump pump operation in basement utility area, and pressure tank functionality. Inspected white PVC drainage piping, mounting brackets, and sump pump installation with electrical connections in lower level, confirming proper operation and clearances. Assessed pressure tank system including gauge readings, connections, black supply piping, flexible tubing, and associated electrical control panel. All components photographed and documented for service records, with systems found to be operational at time of inspection.
Completed comprehensive whole home plumbing inspection of residential property. Evaluated all accessible plumbing systems including water supply lines, drainage systems, sump pump operation in basement utility area, and pressure tank functionality. Inspected white PVC drainage piping, mounting brackets, and sump pump installation with electrical connections in lower level, confirming proper operation and clearances. Assessed pressure tank system including gauge readings, connections, black supply piping, flexible tubing, and associated electrical control panel. All components photographed and documented for service records, with systems found to be operational at time of inspection.
Nick B.
Nick B. Checked in
Completed comprehensive whole home plumbing inspection of residential property. Evaluated all accessible plumbing systems including water supply lines, drainage systems, sump pump operation in basement utility area, and pressure tank functionality. Inspected white PVC drainage piping, mounting brackets, and sump pump installation with electrical connections in lower level, confirming proper operation and clearances. Assessed pressure tank system including gauge readings, connections, black supply piping, flexible tubing, and associated electrical control panel. All components photographed and documented for service records, with systems found to be operational at time of inspection.
Waterford, WI 53185
Completed comprehensive whole home plumbing inspection of residential property. Evaluated and documented all visible plumbing systems including water supply lines, drainage systems, fixtures, and mechanical equipment. 

Inspected basement utility area containing water pressure system with blue WE-branded pressure tank connected via blue PEX supply lines and copper piping with brass fittings and valves. Verified pressure gauge readings and assessed condition of tank connections and fittings. Examined wall-mounted Impression digital control panel and associated white cylindrical storage tank for proper operation and signs of wear.

Evaluated AO Smith water heater installation including top-mounted black pump assembly, electrical connections, and gas supply lines. Inspected copper and flexible metal tubing connections for leaks or corrosion. Assessed water heater drain pan installation and verified proper placement. Checked all visible piping including white PVC drainage lines and metalli
Completed comprehensive whole home plumbing inspection of residential property. Evaluated and documented all visible plumbing systems including water supply lines, drainage systems, fixtures, and mechanical equipment. 

Inspected basement utility area containing water pressure system with blue WE-branded pressure tank connected via blue PEX supply lines and copper piping with brass fittings and valves. Verified pressure gauge readings and assessed condition of tank connections and fittings. Examined wall-mounted Impression digital control panel and associated white cylindrical storage tank for proper operation and signs of wear.

Evaluated AO Smith water heater installation including top-mounted black pump assembly, electrical connections, and gas supply lines. Inspected copper and flexible metal tubing connections for leaks or corrosion. Assessed water heater drain pan installation and verified proper placement. Checked all visible piping including white PVC drainage lines and metalli
Nick B.
Nick B. Checked in
Completed comprehensive whole home plumbing inspection of residential property. Evaluated and documented all visible plumbing systems including water supply lines, drainage systems, fixtures, and mechanical equipment. Inspected basement utility area containing water pressure system with blue WE-branded pressure tank connected via blue PEX supply lines and copper piping with brass fittings and valves. Verified pressure gauge readings and assessed condition of tank connections and fittings. Examined wall-mounted Impression digital control panel and associated white cylindrical storage tank for proper operation and signs of wear. Evaluated AO Smith water heater installation including top-mounted black pump assembly, electrical connections, and gas supply lines. Inspected copper and flexible metal tubing connections for leaks or corrosion. Assessed water heater drain pan installation and verified proper placement. Checked all visible piping including white PVC drainage lines and metalli
Waterford, WI 53185
Completed furnace and air handler tune-up maintenance service. Performed combustion analysis using Testo 310 analyzer, recording flue gas temperatures, oxygen levels, and efficiency readings all within normal operating parameters. Inspected condensate drain lines and water supply connections, ensuring proper installation and function of all plumbing components associated with the HVAC system.
Completed furnace and air handler tune-up maintenance service. Performed combustion analysis using Testo 310 analyzer, recording flue gas temperatures, oxygen levels, and efficiency readings all within normal operating parameters. Inspected condensate drain lines and water supply connections, ensuring proper installation and function of all plumbing components associated with the HVAC system.
Rich L.
Rich L. Checked in
Completed furnace and air handler tune-up maintenance service. Performed combustion analysis using Testo 310 analyzer, recording flue gas temperatures, oxygen levels, and efficiency readings all within normal operating parameters. Inspected condensate drain lines and water supply connections, ensuring proper installation and function of all plumbing components associated with the HVAC system.
Waterford, WI 53185
Completed comprehensive tune-up service on both furnace and air conditioning systems. Performed thorough inspection of all internal components including blower motor assembly, gas valve connections, electrical wiring, control board, and refrigerant line fittings. Verified proper operation of heating system with active burner flames, checked all wire connections and terminals for secure contact, and confirmed ventilation piping integrity. Both systems tested and operating within normal parameters.
Completed comprehensive tune-up service on both furnace and air conditioning systems. Performed thorough inspection of all internal components including blower motor assembly, gas valve connections, electrical wiring, control board, and refrigerant line fittings. Verified proper operation of heating system with active burner flames, checked all wire connections and terminals for secure contact, and confirmed ventilation piping integrity. Both systems tested and operating within normal parameters.
Rich L.
Rich L. Checked in
Completed comprehensive tune-up service on both furnace and air conditioning systems. Performed thorough inspection of all internal components including blower motor assembly, gas valve connections, electrical wiring, control board, and refrigerant line fittings. Verified proper operation of heating system with active burner flames, checked all wire connections and terminals for secure contact, and confirmed ventilation piping integrity. Both systems tested and operating within normal parameters.
WATERFORD, WI 53185
Completed comprehensive furnace and air conditioning tune-up service at residential property. Connected manifold gauge set to outdoor condensing unit to verify refrigerant pressures and system performance, confirming proper operation of cooling system. Performed standard maintenance procedures on both heating and cooling equipment to ensure optimal efficiency and reliability for the upcoming season.
Completed comprehensive furnace and air conditioning tune-up service at residential property. Connected manifold gauge set to outdoor condensing unit to verify refrigerant pressures and system performance, confirming proper operation of cooling system. Performed standard maintenance procedures on both heating and cooling equipment to ensure optimal efficiency and reliability for the upcoming season.
Rich L.
Rich L. Checked in
Completed comprehensive furnace and air conditioning tune-up service at residential property. Connected manifold gauge set to outdoor condensing unit to verify refrigerant pressures and system performance, confirming proper operation of cooling system. Performed standard maintenance procedures on both heating and cooling equipment to ensure optimal efficiency and reliability for the upcoming season.
Waterford, WI 53185
Completed comprehensive furnace tune-up and system inspection on gas heating unit and air handler. Performed standard maintenance procedures including filter inspection, internal component examination, electrical connection verification, and operational testing of all system components to ensure proper heating season readiness.
Completed comprehensive furnace tune-up and system inspection on gas heating unit and air handler. Performed standard maintenance procedures including filter inspection, internal component examination, electrical connection verification, and operational testing of all system components to ensure proper heating season readiness.
Rich L.
Rich L. Checked in
Completed comprehensive furnace tune-up and system inspection on gas heating unit and air handler. Performed standard maintenance procedures including filter inspection, internal component examination, electrical connection verification, and operational testing of all system components to ensure proper heating season readiness.
Waterford, WI 53185
Completed comprehensive seasonal tune-up on residential split system including furnace air handler and outdoor condensing unit. Performed full system diagnostics, checked refrigerant pressures and temperatures, inspected electrical connections, replaced Aprilaire 600 humidifier filter and 16x25x4 furnace filter, verified proper airflow and combustion parameters, and confirmed all equipment operating within manufacturer specifications.
Completed comprehensive seasonal tune-up on residential split system including furnace air handler and outdoor condensing unit. Performed full system diagnostics, checked refrigerant pressures and temperatures, inspected electrical connections, replaced Aprilaire 600 humidifier filter and 16x25x4 furnace filter, verified proper airflow and combustion parameters, and confirmed all equipment operating within manufacturer specifications.
Rich L.
Rich L. Checked in
Completed comprehensive seasonal tune-up on residential split system including furnace air handler and outdoor condensing unit. Performed full system diagnostics, checked refrigerant pressures and temperatures, inspected electrical connections, replaced Aprilaire 600 humidifier filter and 16x25x4 furnace filter, verified proper airflow and combustion parameters, and confirmed all equipment operating within manufacturer specifications.
Waterford, WI 53185
Completed comprehensive furnace tune-up and seasonal maintenance inspection. During inspection, identified significant rust staining and corrosion on refrigerant lines with deteriorated insulation indicating prolonged moisture exposure. Inspected gas valve assembly, ignition components, and electrical connections; all wiring and control mechanisms found to be functioning properly with secure connections maintained throughout system.
Completed comprehensive furnace tune-up and seasonal maintenance inspection. During inspection, identified significant rust staining and corrosion on refrigerant lines with deteriorated insulation indicating prolonged moisture exposure. Inspected gas valve assembly, ignition components, and electrical connections; all wiring and control mechanisms found to be functioning properly with secure connections maintained throughout system.
Rich L.
Rich L. Checked in
Completed comprehensive furnace tune-up and seasonal maintenance inspection. During inspection, identified significant rust staining and corrosion on refrigerant lines with deteriorated insulation indicating prolonged moisture exposure. Inspected gas valve assembly, ignition components, and electrical connections; all wiring and control mechanisms found to be functioning properly with secure connections maintained throughout system.
Waterford, WI 53185
# HVAC System Installation

Completed full residential HVAC system installation including new furnace and air conditioning unit. Installed gray furnace with proper white PVC venting routed vertically through structure for exhaust and condensate drainage. Configured all electrical connections and mounted manufacturer documentation on unit exterior panel.

Performed complete air conditioning installation with refrigerant line connections using brass fittings. Evacuated refrigeration system to proper vacuum levels, achieving 188 microns as verified with calibrated digital vacuum gauge. Held vacuum to manufacturer specifications to ensure system integrity and removal of moisture and non-condensables from refrigerant lines.

Connected all necessary piping including black iron gas lines and integrated system with existing water heating equipment. Installed circulation pump on hydronic piping with proper orientation and connections. Routed copper and iron piping between components following c
# HVAC System Installation

Completed full residential HVAC system installation including new furnace and air conditioning unit. Installed gray furnace with proper white PVC venting routed vertically through structure for exhaust and condensate drainage. Configured all electrical connections and mounted manufacturer documentation on unit exterior panel.

Performed complete air conditioning installation with refrigerant line connections using brass fittings. Evacuated refrigeration system to proper vacuum levels, achieving 188 microns as verified with calibrated digital vacuum gauge. Held vacuum to manufacturer specifications to ensure system integrity and removal of moisture and non-condensables from refrigerant lines.

Connected all necessary piping including black iron gas lines and integrated system with existing water heating equipment. Installed circulation pump on hydronic piping with proper orientation and connections. Routed copper and iron piping between components following c
Jeff D.
Jeff D. Checked in
# HVAC System Installation Completed full residential HVAC system installation including new furnace and air conditioning unit. Installed gray furnace with proper white PVC venting routed vertically through structure for exhaust and condensate drainage. Configured all electrical connections and mounted manufacturer documentation on unit exterior panel. Performed complete air conditioning installation with refrigerant line connections using brass fittings. Evacuated refrigeration system to proper vacuum levels, achieving 188 microns as verified with calibrated digital vacuum gauge. Held vacuum to manufacturer specifications to ensure system integrity and removal of moisture and non-condensables from refrigerant lines. Connected all necessary piping including black iron gas lines and integrated system with existing water heating equipment. Installed circulation pump on hydronic piping with proper orientation and connections. Routed copper and iron piping between components following c
Waterford, WI 53185
Responded to emergency service call for attic-mounted air handler with connected mini-split system experiencing refrigerant leaks in both units. Assessed dual system configuration in attic space with flexible ductwork and evaluated outdoor condenser unit to determine extent of refrigerant loss and provide replacement estimate for failed components.
Responded to emergency service call for attic-mounted air handler with connected mini-split system experiencing refrigerant leaks in both units. Assessed dual system configuration in attic space with flexible ductwork and evaluated outdoor condenser unit to determine extent of refrigerant loss and provide replacement estimate for failed components.
Dave V.
Dave V. Checked in
Responded to emergency service call for attic-mounted air handler with connected mini-split system experiencing refrigerant leaks in both units. Assessed dual system configuration in attic space with flexible ductwork and evaluated outdoor condenser unit to determine extent of refrigerant loss and provide replacement estimate for failed components.
Waterford, WI 53185
Responded to no cooling complaint on aging residential air conditioning system. Upon arrival, found ice buildup on exterior refrigerant lines and unit not producing cold air. Documented outdoor condensing unit condition showing weathered components, oxidized copper refrigerant lines, and aged equipment connections consistent with 10+ year old system. Unit was already turned off by customer prior to arrival due to freezing condition. Inspected exterior grille, refrigerant line connections, and overall equipment condition to assess system status and determine appropriate next steps for restoring cooling operation.
Responded to no cooling complaint on aging residential air conditioning system. Upon arrival, found ice buildup on exterior refrigerant lines and unit not producing cold air. Documented outdoor condensing unit condition showing weathered components, oxidized copper refrigerant lines, and aged equipment connections consistent with 10+ year old system. Unit was already turned off by customer prior to arrival due to freezing condition. Inspected exterior grille, refrigerant line connections, and overall equipment condition to assess system status and determine appropriate next steps for restoring cooling operation.
Rich L.
Rich L. Checked in
Responded to no cooling complaint on aging residential air conditioning system. Upon arrival, found ice buildup on exterior refrigerant lines and unit not producing cold air. Documented outdoor condensing unit condition showing weathered components, oxidized copper refrigerant lines, and aged equipment connections consistent with 10+ year old system. Unit was already turned off by customer prior to arrival due to freezing condition. Inspected exterior grille, refrigerant line connections, and overall equipment condition to assess system status and determine appropriate next steps for restoring cooling operation.
Waterford, WI 53185
Waterford, WI - Responded to air conditioning leak complaint. Upon inspection, identified condensate drainage issue at Lennox furnace installation. Cleared condensate line obstruction, verified proper drainage flow, and tested system operation to ensure leak was resolved.
Rich L.
Rich L. Checked in
Responded to air conditioning leak complaint. Upon inspection, identified condensate drainage issue at Lennox furnace installation. Cleared condensate line obstruction, verified proper drainage flow, and tested system operation to ensure leak was resolved.
Waterford, WI 53185
Responded to no cooling call where system had entered safety lockout mode. Upon arrival, inspected outdoor condensing unit and indoor air handler, examining control board, capacitor, wiring connections, and safety circuits. Successfully reset system from lockout condition, verified proper operation of all components, and confirmed unit returned to normal cooling operation.
Responded to no cooling call where system had entered safety lockout mode. Upon arrival, inspected outdoor condensing unit and indoor air handler, examining control board, capacitor, wiring connections, and safety circuits. Successfully reset system from lockout condition, verified proper operation of all components, and confirmed unit returned to normal cooling operation.
Rich L.
Rich L. Checked in
Responded to no cooling call where system had entered safety lockout mode. Upon arrival, inspected outdoor condensing unit and indoor air handler, examining control board, capacitor, wiring connections, and safety circuits. Successfully reset system from lockout condition, verified proper operation of all components, and confirmed unit returned to normal cooling operation.
Waterford, WI 53185
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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.