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 optionsspecial 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

Job Locations and Reviews

Waterford, WI - Performed comprehensive HVAC tune-up service with diagnostic testing of system performance. Measured supply air temperature at register (70.2°F) to verify proper system operation. All components functioning within normal parameters; no issues detected during inspection.
Todd H.
Todd H. Checked in
Performed comprehensive HVAC tune-up service with diagnostic testing of system performance. Measured supply air temperature at register (70.2°F) to verify proper system operation. All components functioning within normal parameters; no issues detected during inspection.
Waterford, WI 53185
Performed standard prepaid maintenance visit on gas furnace system. Inspected control board connections and verified proper wire terminal connections. Observed burner assembly with normal blue flame pattern indicating proper gas combustion and operation.
Performed standard prepaid maintenance visit on gas furnace system. Inspected control board connections and verified proper wire terminal connections. Observed burner assembly with normal blue flame pattern indicating proper gas combustion and operation.
Amanda P
Amanda P Checked in
Performed standard prepaid maintenance visit on gas furnace system. Inspected control board connections and verified proper wire terminal connections. Observed burner assembly with normal blue flame pattern indicating proper gas combustion and operation.
Waterford, WI 53185
Conducted comprehensive tune-up on HVAC system with focus on motor assembly inspection. Examined electrical connections, verifying proper wire terminations and secure fastening of colored wires (blue, red, white, yellow, green) to control module and gas valve. Inspected blower motor for proper operation and mounting integrity. Checked gas valve functionality and verified control module operation with attention to switch positions. All components were found to be in serviceable condition with no signs of deterioration or damage.
Conducted comprehensive tune-up on HVAC system with focus on motor assembly inspection. Examined electrical connections, verifying proper wire terminations and secure fastening of colored wires (blue, red, white, yellow, green) to control module and gas valve. Inspected blower motor for proper operation and mounting integrity. Checked gas valve functionality and verified control module operation with attention to switch positions. All components were found to be in serviceable condition with no signs of deterioration or damage.
Amanda P
Amanda P Checked in
Conducted comprehensive tune-up on HVAC system with focus on motor assembly inspection. Examined electrical connections, verifying proper wire terminations and secure fastening of colored wires (blue, red, white, yellow, green) to control module and gas valve. Inspected blower motor for proper operation and mounting integrity. Checked gas valve functionality and verified control module operation with attention to switch positions. All components were found to be in serviceable condition with no signs of deterioration or damage.
Waterford, WI 53185
Performed routine maintenance tune-up on customer's Lennox HVAC system. Inspected interior control board, verified all electrical connections were secure, and examined wiring for any signs of wear or damage. System is operating within normal parameters with no issues detected.
Performed routine maintenance tune-up on customer's Lennox HVAC system. Inspected interior control board, verified all electrical connections were secure, and examined wiring for any signs of wear or damage. System is operating within normal parameters with no issues detected.
Amanda P
Amanda P Checked in
Performed routine maintenance tune-up on customer's Lennox HVAC system. Inspected interior control board, verified all electrical connections were secure, and examined wiring for any signs of wear or damage. System is operating within normal parameters with no issues detected.
Waterford, WI 53185
Conducted assessment of basement HVAC system for potential replacement. Identified aging equipment and potential installation challenges posed by existing plumbing configuration. Evaluated space constraints around utility area where water treatment systems are installed. Documented structural concerns including wall cracks that may require attention during new system installation.
Conducted assessment of basement HVAC system for potential replacement. Identified aging equipment and potential installation challenges posed by existing plumbing configuration. Evaluated space constraints around utility area where water treatment systems are installed. Documented structural concerns including wall cracks that may require attention during new system installation.
Michael Y.
Michael Y. Checked in
Conducted assessment of basement HVAC system for potential replacement. Identified aging equipment and potential installation challenges posed by existing plumbing configuration. Evaluated space constraints around utility area where water treatment systems are installed. Documented structural concerns including wall cracks that may require attention during new system installation.
Waterford, WI 53185
Performed comprehensive tune-up on residential gas furnace including combustion efficiency testing using Testo 310 analyzer, which displayed satisfactory readings for CO2, O2, and efficiency values. Inspected interior components including gas valve assembly, blower motor, and control board connections, confirming proper wire terminations and component functionality. All systems operating within manufacturer specifications after service.
Performed comprehensive tune-up on residential gas furnace including combustion efficiency testing using Testo 310 analyzer, which displayed satisfactory readings for CO2, O2, and efficiency values. Inspected interior components including gas valve assembly, blower motor, and control board connections, confirming proper wire terminations and component functionality. All systems operating within manufacturer specifications after service.
Rich L.
Rich L. Checked in
Performed comprehensive tune-up on residential gas furnace including combustion efficiency testing using Testo 310 analyzer, which displayed satisfactory readings for CO2, O2, and efficiency values. Inspected interior components including gas valve assembly, blower motor, and control board connections, confirming proper wire terminations and component functionality. All systems operating within manufacturer specifications after service.
Waterford, WI 53185
Performed comprehensive tune-up on residential furnace system. Conducted diagnostic testing using Testo analyzer to verify proper operation parameters and inspected all electrical connections and wiring. Checked blower motor functionality and heat exchanger integrity, ensuring all components are operating within manufacturer specifications.
Performed comprehensive tune-up on residential furnace system. Conducted diagnostic testing using Testo analyzer to verify proper operation parameters and inspected all electrical connections and wiring. Checked blower motor functionality and heat exchanger integrity, ensuring all components are operating within manufacturer specifications.
Rich L.
Rich L. Checked in
Performed comprehensive tune-up on residential furnace system. Conducted diagnostic testing using Testo analyzer to verify proper operation parameters and inspected all electrical connections and wiring. Checked blower motor functionality and heat exchanger integrity, ensuring all components are operating within manufacturer specifications.
Waterford, WI 53185
Performed routine system tune-up service including temperature differential testing of air handler and duct inspection. Readings showed 15.7°F delta-T, which falls within acceptable parameters. Visual inspection of ductwork revealed normal wear with no significant buildup or damage requiring immediate attention.
Performed routine system tune-up service including temperature differential testing of air handler and duct inspection. Readings showed 15.7°F delta-T, which falls within acceptable parameters. Visual inspection of ductwork revealed normal wear with no significant buildup or damage requiring immediate attention.
Todd H.
Todd H. Checked in
Performed routine system tune-up service including temperature differential testing of air handler and duct inspection. Readings showed 15.7°F delta-T, which falls within acceptable parameters. Visual inspection of ductwork revealed normal wear with no significant buildup or damage requiring immediate attention.
Waterford, WI 53185
Performed comprehensive tune-up on residential heating system, including inspection of furnace unit, associated copper piping, and ventilation components. Examined ceiling ductwork for proper airflow and identified minor water staining near duct connections. Cleaned system components and verified proper operation of all heating elements.
Performed comprehensive tune-up on residential heating system, including inspection of furnace unit, associated copper piping, and ventilation components. Examined ceiling ductwork for proper airflow and identified minor water staining near duct connections. Cleaned system components and verified proper operation of all heating elements.
Ron B.
Ron B. Checked in
Performed comprehensive tune-up on residential heating system, including inspection of furnace unit, associated copper piping, and ventilation components. Examined ceiling ductwork for proper airflow and identified minor water staining near duct connections. Cleaned system components and verified proper operation of all heating elements.
Waterford, WI 53185
Performed scheduled prepaid maintenance on residential HVAC system. Opened access panels to inspect internal components, conducted diagnostic testing of electrical connections and control board functionality. Examined fan motor assembly and verified proper operation of all mechanical components.
Performed scheduled prepaid maintenance on residential HVAC system. Opened access panels to inspect internal components, conducted diagnostic testing of electrical connections and control board functionality. Examined fan motor assembly and verified proper operation of all mechanical components.
Rich L.
Rich L. Checked in
Performed scheduled prepaid maintenance on residential HVAC system. Opened access panels to inspect internal components, conducted diagnostic testing of electrical connections and control board functionality. Examined fan motor assembly and verified proper operation of all mechanical components.
Waterford, WI 53185
Waterford, WI - Performed comprehensive inspection of the system's circuit board (model 69SE-CB-Z161). Identified moderate dust accumulation on the control board and wiring harness connections. Cleaned all electronic components and verified proper connection of all wiring (red, white, blue, green, yellow, orange, and black). Confirmed all relays and integrated circuits functioning normally after cleaning.
Rich L.
Rich L. Checked in
Performed comprehensive inspection of the system's circuit board (model 69SE-CB-Z161). Identified moderate dust accumulation on the control board and wiring harness connections. Cleaned all electronic components and verified proper connection of all wiring (red, white, blue, green, yellow, orange, and black). Confirmed all relays and integrated circuits functioning normally after cleaning.
Waterford, WI 53185
Conducted assessment of existing ductwork in attic space, taking detailed measurements of metal enclosure components and PVC connections. Evaluated installation configuration for HVAC system replacement, documenting current specifications to ensure proper sizing and compatibility of replacement equipment.
Conducted assessment of existing ductwork in attic space, taking detailed measurements of metal enclosure components and PVC connections. Evaluated installation configuration for HVAC system replacement, documenting current specifications to ensure proper sizing and compatibility of replacement equipment.
Michael Y.
Michael Y. Checked in
Conducted assessment of existing ductwork in attic space, taking detailed measurements of metal enclosure components and PVC connections. Evaluated installation configuration for HVAC system replacement, documenting current specifications to ensure proper sizing and compatibility of replacement equipment.
Waterford, WI 53185
Successfully installed a new residential furnace system in basement utility room. Unit was properly secured and connected to existing ductwork with proper X-bracing. All PVC venting, condensate lines, and electrical connections were completed according to manufacturer specifications.
Successfully installed a new residential furnace system in basement utility room. Unit was properly secured and connected to existing ductwork with proper X-bracing. All PVC venting, condensate lines, and electrical connections were completed according to manufacturer specifications.
James P.
James P. Checked in
Successfully installed a new residential furnace system in basement utility room. Unit was properly secured and connected to existing ductwork with proper X-bracing. All PVC venting, condensate lines, and electrical connections were completed according to manufacturer specifications.
WATERFORD, WI 53185
Performed diagnostic testing on HVAC system using specialized probe instrument. Inspected mechanical components and connections, focusing on metal assembly connections to PVC ducting. Verified proper installation of mounting hardware and checked system integrity at connection points.
Performed diagnostic testing on HVAC system using specialized probe instrument. Inspected mechanical components and connections, focusing on metal assembly connections to PVC ducting. Verified proper installation of mounting hardware and checked system integrity at connection points.
Rich L.
Rich L. Checked in
Performed diagnostic testing on HVAC system using specialized probe instrument. Inspected mechanical components and connections, focusing on metal assembly connections to PVC ducting. Verified proper installation of mounting hardware and checked system integrity at connection points.
Waterford, WI 53185
Inspected existing furnace installation in basement utility area. Documented current setup showing dark gray furnace with metal ductwork and PVC venting system. Evaluation focused on furnace condition, ventilation configuration, and surrounding connections including drainage components and copper piping for replacement estimation purposes.
Inspected existing furnace installation in basement utility area. Documented current setup showing dark gray furnace with metal ductwork and PVC venting system. Evaluation focused on furnace condition, ventilation configuration, and surrounding connections including drainage components and copper piping for replacement estimation purposes.
Dave V.
Dave V. Checked in
Inspected existing furnace installation in basement utility area. Documented current setup showing dark gray furnace with metal ductwork and PVC venting system. Evaluation focused on furnace condition, ventilation configuration, and surrounding connections including drainage components and copper piping for replacement estimation purposes.
WATERFORD, WI 53185
Performed comprehensive tune-up on heating system including electrical connection inspection and combustion analysis. Testo 310 analyzer readings confirmed optimal system operation with 93.2% efficiency, acceptable CO levels (28 ppm), and proper oxygen/CO2 balance. All electrical connections were examined and verified to be secure with no signs of damage or overheating.
Performed comprehensive tune-up on heating system including electrical connection inspection and combustion analysis. Testo 310 analyzer readings confirmed optimal system operation with 93.2% efficiency, acceptable CO levels (28 ppm), and proper oxygen/CO2 balance. All electrical connections were examined and verified to be secure with no signs of damage or overheating.
Rich L.
Rich L. Checked in
Performed comprehensive tune-up on heating system including electrical connection inspection and combustion analysis. Testo 310 analyzer readings confirmed optimal system operation with 93.2% efficiency, acceptable CO levels (28 ppm), and proper oxygen/CO2 balance. All electrical connections were examined and verified to be secure with no signs of damage or overheating.
Waterford, WI 53185
Conducted site assessment for HVAC replacement. Current system observed in basement utility area with existing furnace connected to PVC ventilation pipes and metal ductwork. Exterior inspection revealed snow-covered conditions with existing outdoor condenser unit covered for winter protection. Replacement recommendation provided based on evaluation of current installation configuration.
Conducted site assessment for HVAC replacement. Current system observed in basement utility area with existing furnace connected to PVC ventilation pipes and metal ductwork. Exterior inspection revealed snow-covered conditions with existing outdoor condenser unit covered for winter protection. Replacement recommendation provided based on evaluation of current installation configuration.
Dave V.
Dave V. Checked in
Conducted site assessment for HVAC replacement. Current system observed in basement utility area with existing furnace connected to PVC ventilation pipes and metal ductwork. Exterior inspection revealed snow-covered conditions with existing outdoor condenser unit covered for winter protection. Replacement recommendation provided based on evaluation of current installation configuration.
Waterford, WI 53185
Performed diagnostic assessment on 10+ year old heating system not producing heat. Inspected control board and wiring connections in furnace, finding loose connections and slight corrosion on the main circuit board terminals. Reconnected and secured all wiring harnesses, particularly focusing on the multicolored control wires connected to the circular component. Cleaned corrosion from terminals and verified proper voltage to the ignition system. System now operating correctly with consistent flame ignition and proper heating cycle.
Performed diagnostic assessment on 10+ year old heating system not producing heat. Inspected control board and wiring connections in furnace, finding loose connections and slight corrosion on the main circuit board terminals. Reconnected and secured all wiring harnesses, particularly focusing on the multicolored control wires connected to the circular component. Cleaned corrosion from terminals and verified proper voltage to the ignition system. System now operating correctly with consistent flame ignition and proper heating cycle.
Rich L.
Rich L. Checked in
Performed diagnostic assessment on 10+ year old heating system not producing heat. Inspected control board and wiring connections in furnace, finding loose connections and slight corrosion on the main circuit board terminals. Reconnected and secured all wiring harnesses, particularly focusing on the multicolored control wires connected to the circular component. Cleaned corrosion from terminals and verified proper voltage to the ignition system. System now operating correctly with consistent flame ignition and proper heating cycle.
WATERFORD, WI 53185
Completed furnace installation with proper pressure testing, verifying a reading of 0.19 on the digital manometer with ambient temperature at 61.6°F. Installation included running copper line alongside insulated black pipe and connecting to existing PVC drainage system with all connections properly sealed and secured.
Completed furnace installation with proper pressure testing, verifying a reading of 0.19 on the digital manometer with ambient temperature at 61.6°F. Installation included running copper line alongside insulated black pipe and connecting to existing PVC drainage system with all connections properly sealed and secured.
Kevin C.
Kevin C. Checked in
Completed furnace installation with proper pressure testing, verifying a reading of 0.19 on the digital manometer with ambient temperature at 61.6°F. Installation included running copper line alongside insulated black pipe and connecting to existing PVC drainage system with all connections properly sealed and secured.
Waterford, WI 53185
Completed site assessment and measurements for HVAC system replacement. Documentation includes detailed floor plan with dimensions (10'x25'x36'x24'x17'6" with 53" height clearance) calculating approximately 1,300 square feet total area. Existing furnace system was inspected, noting connections to ductwork and insulation condition for proper specification of replacement unit.
Completed site assessment and measurements for HVAC system replacement. Documentation includes detailed floor plan with dimensions (10'x25'x36'x24'x17'6" with 53" height clearance) calculating approximately 1,300 square feet total area. Existing furnace system was inspected, noting connections to ductwork and insulation condition for proper specification of replacement unit.
Michael Y.
Michael Y. Checked in
Completed site assessment and measurements for HVAC system replacement. Documentation includes detailed floor plan with dimensions (10'x25'x36'x24'x17'6" with 53" height clearance) calculating approximately 1,300 square feet total area. Existing furnace system was inspected, noting connections to ductwork and insulation condition for proper specification of replacement unit.
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.