HVAC & Air Conditioner Repair Experts In Waterford, WI

Heating, Cooling and Plumbing Services in Waterford, Wisconsin

Thielmann - New Berlin - Thielmann 10

Waterford is shaped by the Fox River, nearby lakes, rural roads, and a mix of older village homes and newer subdivisions. Properties near downtown Waterford may use natural gas, municipal water, and established plumbing, while homes around Tichigan Lake, Wind Lake, and the Town of Waterford may rely on propane, private wells, sump systems, and seasonal plumbing.

Thielmann Heating, Cooling & Plumbing provides complete home comfort service throughout Waterford and ZIP code 53185. Our team serves year-round residences, rural properties, lake homes, and local businesses.

Home Service for Waterford’s Village, River, and Lake Properties

Waterford, WI Air Conditioner and AC and Heating Repair Services

The Fox River affects how Waterford homes handle humidity, basement moisture, snowmelt, and heavy spring rain. Properties near Village Hall Park, Whitford Park, and the Fox River Dam may face different concerns than homes along rural roads or near Tichigan Lake and Wind Lake.

Utility systems also change as you move beyond the village. Older homes may have boilers or altered ductwork, while rural and lake properties may depend on propane, private wells, iron filtration, and seasonal water lines. Thielmann considers those differences when diagnosing equipment and plumbing problems.

Plumbing for Wells, River Moisture, and Seasonal Homes

Waterford plumbing systems reflect the differences between village neighborhoods, rural properties, and lake homes. Some households use municipal water, while others rely on wells, pressure tanks, softeners, iron filters, and plumbing that may sit unused for part of the year.

Our plumbers address problems such as:

  • Well pumps that lose pressure or cycle too often
  • Water heaters affected by hardness or sediment
  • Sump pumps that cannot keep up with spring runoff
  • Toilets that run, leak, or flush poorly
  • Faucets with low pressure or mineral buildup
  • Pipes damaged by freezing temperatures
  • Garbage disposals that jam or leak beneath the sink
  • Outdoor faucets that drip after winter
  • Seasonal water lines that need startup or shutdown
  • Aging plumbing that needs repair or replacement

Hard water and iron can leave stains, create scale, and reduce the life of water heaters and appliances. Homes near the Fox River and surrounding lakes may also depend heavily on sump pumps during snowmelt and heavy rain. We identify whether the problem begins at the fixture, piping, pressure system, or water source. Seasonal properties can also be prepared for spring use or protected before the first hard freeze.

Indoor Air Quality for Lake and Country Living

Warm, humid weather can leave Waterford homes feeling damp, especially near the Fox River, Tichigan Lake, and Wind Lake. Winter brings a different concern as continuous heating dries indoor air and keeps dust, pollen, and pet dander circulating through closed homes.

Waterford homeowners may benefit from:

Humidity control can make a noticeable difference in lake homes, finished basements, and properties that remain closed for part of the year. Filtration and air purification help limit particles moving through the Heating and A/C system. Duct repairs can also improve airflow to rooms that never feel comfortable. Thielmann matches each solution to the home rather than recommending the same equipment for every indoor air concern.

Dependable Heating for Propane and Natural Gas Homes

Waterford winters bring snow, strong winds, single-digit temperatures, and stretches of below-zero weather. Rural roads and lake properties may also experience propane delivery concerns, making reliable heating equipment and fuel planning especially important.

Warning signs that your heating system needs attention include:

  • Longer heating cycles with little temperature change
  • A sudden increase in propane or natural gas use
  • Cold rooms farthest from the furnace
  • A boiler that loses pressure between cycles
  • Radiators that remain cool or heat unevenly
  • Rattling, banging, or grinding during operation
  • Frequent resets or unexplained shutdowns
  • Burners that ignite inconsistently
  • A thermostat that cannot maintain the setting
  • Repair costs that continue to increase

Natural gas furnaces remain common within the village, while propane systems serve rural and lake-area properties. Heat pumps with backup heat may offer another option for homeowners who want to reduce propane use. We inspect the equipment, fuel setup, airflow, venting, and controls before discussing repairs or replacement. New systems are sized around the home’s layout and heating load rather than the capacity listed on the old unit.

Air Conditioning for Waterford’s Humid Summers

Waterford, WI Air Conditioner and Heating and Air Conditioning Repair Services

Summer moisture builds around the Fox River and nearby lakes, while cottages, additions, and finished upper levels can develop uneven temperatures. An air conditioner must manage both heat and humidity to keep a Waterford home comfortable.

Cooling service may be needed when:

  • Rooms feel sticky after the AC shuts off
  • The second floor stays warm into the evening
  • A finished loft receives little conditioned air
  • Condensation appears around vents or equipment
  • The indoor coil freezes during humid weather
  • Cooling cycles become longer each summer
  • A musty smell returns when the blower starts
  • The outside unit vibrates or becomes unusually loud
  • An addition never reaches the thermostat setting
  • The system stops during the hottest part of the day

Thielmann services central air conditioners, heat pumps, ductless mini-splits, and commercial cooling equipment. We check refrigerant performance, drainage, electrical parts, airflow, and thermostat operation before recommending work. Ductless systems can cool cottages, lofts, additions, and older rooms without extending the main duct system. Correct sizing also gives the equipment enough runtime to remove moisture without wasting energy.

Why Waterford Homeowners Choose Thielmann

Thielmann Heating, Cooling & Plumbing has served Southeastern Wisconsin since 1929. Our regional team regularly works throughout Waterford, western Racine County, and nearby lake communities. We understand the differences between village utilities, rural properties, and seasonal homes.

Waterford customers turn to Thielmann for:

  • Familiarity with homes throughout ZIP code 53185
  • Heating service for natural gas and propane systems
  • Boiler and heat pump repair and replacement
  • Cooling options for cottages and additions
  • Help with private wells and mineral-heavy water
  • Sump pump support near rivers and lakes
  • Plumbing service for seasonal properties
  • Residential and light commercial capabilities
  • Same-day and emergency weekend availability
  • Straightforward recommendations without unnecessary work

A Waterford service call may involve several connected conditions. High mineral content can affect a water heater, poor drainage can increase basement humidity, and restricted ductwork can make working Heating and AC equipment seem undersized. Thielmann checks those relationships before recommending a solution. This gives homeowners a clearer plan for repairing the actual source of the problem.

What Thielmann Customers Are Saying

“Thielmann was recommended by a coworker as a company that doesn’t overcharge or BS around. They were able to order a part for my furnace that was recalled and the factory paid for it. Adriel is the man. I was glad to hear he was going to be the tech coming back to do the install.”

Eric E. – Rated 5/5 Stars

“I’m very happy with the work that they did. They were punctual, clean, friendly, well informed and the company is impressive. I think the price was probably reasonable based on what my sister had been charged for the furnace she had purchased from a different company. I’m just very pleased all around.”

Lisanthia – Rated 5/5 Stars

“Brandon B. was our installer of our furnace. This was an amazing job, very well executed and clean. Couldn’t be happier. The new Lennox is so much quieter, can’t believe it. Thanks to all that helped us get out of the cold.”

Dean J. – Rated 5/5 Stars

Book Home Services in Waterford, WI

Waterford homes must be ready for hard freezes, humid summers, spring runoff, high water tables, and seasonal use. A failed propane furnace can leave a rural home cold, while an unreliable sump pump can put a river or lake property at risk during heavy rain.

Call (262) 299-6197 or contact Thielmann online to schedule heating, air conditioning, indoor air quality, or plumbing service in Waterford, WI.

Recent Jobs and Reviews in Waterford, WI

Job Locations and Reviews

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
Installed and configured a new Honeywell Home ProSeries digital thermostat system with Heat-On functionality, maintaining the existing analog humidity control device. Properly routed and installed PVC condensate drain pipes from the furnace to the exterior of the home, ensuring proper drainage away from the foundation.
Installed and configured a new Honeywell Home ProSeries digital thermostat system with Heat-On functionality, maintaining the existing analog humidity control device. Properly routed and installed PVC condensate drain pipes from the furnace to the exterior of the home, ensuring proper drainage away from the foundation.
Jim K.
Jim K. Checked in
Installed and configured a new Honeywell Home ProSeries digital thermostat system with Heat-On functionality, maintaining the existing analog humidity control device. Properly routed and installed PVC condensate drain pipes from the furnace to the exterior of the home, ensuring proper drainage away from the foundation.
Waterford, WI 53185
Completed HVAC system replacement in residential basement, including installation of a new furnace unit with proper ductwork connections and electrical panel updates. System was properly connected to existing return air housing and all electrical components were secured to code, with appropriate wiring routed through the utility space.
Completed HVAC system replacement in residential basement, including installation of a new furnace unit with proper ductwork connections and electrical panel updates. System was properly connected to existing return air housing and all electrical components were secured to code, with appropriate wiring routed through the utility space.
Dave V.
Dave V. Checked in
Completed HVAC system replacement in residential basement, including installation of a new furnace unit with proper ductwork connections and electrical panel updates. System was properly connected to existing return air housing and all electrical components were secured to code, with appropriate wiring routed through the utility space.
Waterford, WI 53185
Performed diagnostic assessment of dual-component HVAC system consisting of a Carrier furnace with mounted air handler. Confirmed proper functioning of all connections including copper and PVC piping. Verified Honeywell Home ProSeries thermostat operation with successful heat mode activation, confirming system maintains proper temperature settings and scheduled programming functionality. WiFi connectivity to thermostat confirmed operational.
Performed diagnostic assessment of dual-component HVAC system consisting of a Carrier furnace with mounted air handler. Confirmed proper functioning of all connections including copper and PVC piping. Verified Honeywell Home ProSeries thermostat operation with successful heat mode activation, confirming system maintains proper temperature settings and scheduled programming functionality. WiFi connectivity to thermostat confirmed operational.
Makinze C.
Makinze C. Checked in
Performed diagnostic assessment of dual-component HVAC system consisting of a Carrier furnace with mounted air handler. Confirmed proper functioning of all connections including copper and PVC piping. Verified Honeywell Home ProSeries thermostat operation with successful heat mode activation, confirming system maintains proper temperature settings and scheduled programming functionality. WiFi connectivity to thermostat confirmed operational.
Waterford, WI 53185
Performed routine air filter replacement with new Honeywell 16x25x4 filter. Conducted temperature diagnostic testing using digital thermometer, confirming system operating temperature at 64.2°F, which falls within normal operational parameters. All HVAC components inspected and system functioning properly after service completion.
Performed routine air filter replacement with new Honeywell 16x25x4 filter. Conducted temperature diagnostic testing using digital thermometer, confirming system operating temperature at 64.2°F, which falls within normal operational parameters. All HVAC components inspected and system functioning properly after service completion.
Carlos R.
Carlos R. Checked in
Performed routine air filter replacement with new Honeywell 16x25x4 filter. Conducted temperature diagnostic testing using digital thermometer, confirming system operating temperature at 64.2°F, which falls within normal operational parameters. All HVAC components inspected and system functioning properly after service completion.
Waterford, WI 53185
Performed diagnostic inspection on residential furnace system, opening access panels to examine internal components including motor assembly, control boards, and gas valve connections. Observed normal dust accumulation and wear on components consistent with regular operation. System appears properly installed with PVC exhaust venting and appropriate ductwork connections.
Performed diagnostic inspection on residential furnace system, opening access panels to examine internal components including motor assembly, control boards, and gas valve connections. Observed normal dust accumulation and wear on components consistent with regular operation. System appears properly installed with PVC exhaust venting and appropriate ductwork connections.
Makinze C.
Makinze C. Checked in
Performed diagnostic inspection on residential furnace system, opening access panels to examine internal components including motor assembly, control boards, and gas valve connections. Observed normal dust accumulation and wear on components consistent with regular operation. System appears properly installed with PVC exhaust venting and appropriate ductwork connections.
WATERFORD, WI 53185
Waterford, WI - Performed routine furnace tune-up with full system inspection. Accessed internal control board to verify proper electrical connections and operational status; indicator lights functioning normally. All components appeared to be in working order with no identified issues or required repairs.
Rich L.
Rich L. Checked in
Performed routine furnace tune-up with full system inspection. Accessed internal control board to verify proper electrical connections and operational status; indicator lights functioning normally. All components appeared to be in working order with no identified issues or required repairs.
Waterford, WI 53185
Waterford, WI - Responded to no-heat call for furnace less than 10 years old. Inspection revealed significant corrosion on heat exchanger surface, indicating possible moisture intrusion and beginning of heat exchanger failure. Replaced damaged heat exchanger to restore proper heating function and ensure safe operation.
Todd H.
Todd H. Checked in
Responded to no-heat call for furnace less than 10 years old. Inspection revealed significant corrosion on heat exchanger surface, indicating possible moisture intrusion and beginning of heat exchanger failure. Replaced damaged heat exchanger to restore proper heating function and ensure safe operation.
Waterford, WI 53185
Performed routine seasonal tune-up on HVAC system. Inspected copper heating coil for integrity, confirming proper condition despite some aging. Disassembled light blue panel with heating elements for cleaning and testing with diagnostic equipment, and reassembled all components to ensure optimal system operation.
Performed routine seasonal tune-up on HVAC system. Inspected copper heating coil for integrity, confirming proper condition despite some aging. Disassembled light blue panel with heating elements for cleaning and testing with diagnostic equipment, and reassembled all components to ensure optimal system operation.
Rich L.
Rich L. Checked in
Performed routine seasonal tune-up on HVAC system. Inspected copper heating coil for integrity, confirming proper condition despite some aging. Disassembled light blue panel with heating elements for cleaning and testing with diagnostic equipment, and reassembled all components to ensure optimal system operation.
Waterford, WI 53185
Waterford, WI - Performed electrical diagnostic on HVAC unit, inspecting wiring connections and control modules. Examined wiring harness including purple, blue, pink, orange, green, and white conductors. Verified proper termination at control board and inspected motor assembly components and associated QR-coded electronic components for proper function.
Rich L.
Rich L. Checked in
Performed electrical diagnostic on HVAC unit, inspecting wiring connections and control modules. Examined wiring harness including purple, blue, pink, orange, green, and white conductors. Verified proper termination at control board and inspected motor assembly components and associated QR-coded electronic components for proper function.
Waterford, WI 53185
Performed comprehensive HVAC tune-up including combustion analysis using Testo 310 gas analyzer, which revealed optimal temperature readings at 97.2°, 9.4°, and 38.5°. Inspected interior components of the unit, including PVC drainage pipes, electrical connections, and ventilation system. Examined and verified proper operation of the fan motor and valve assembly, ensuring all systems are functioning within manufacturer specifications.
Performed comprehensive HVAC tune-up including combustion analysis using Testo 310 gas analyzer, which revealed optimal temperature readings at 97.2°, 9.4°, and 38.5°. Inspected interior components of the unit, including PVC drainage pipes, electrical connections, and ventilation system. Examined and verified proper operation of the fan motor and valve assembly, ensuring all systems are functioning within manufacturer specifications.
Rich L.
Rich L. Checked in
Performed comprehensive HVAC tune-up including combustion analysis using Testo 310 gas analyzer, which revealed optimal temperature readings at 97.2°, 9.4°, and 38.5°. Inspected interior components of the unit, including PVC drainage pipes, electrical connections, and ventilation system. Examined and verified proper operation of the fan motor and valve assembly, ensuring all systems are functioning within manufacturer specifications.
Waterford, WI 53185
Conducted comprehensive IAQ assessment of residential HVAC system located in utility area with particular attention to furnace unit and associated ductwork. Documented existing installation configuration including black insulated pipes and PVC drainage components. Evaluation revealed current system has standard efficiency specifications with potential for improved indoor air quality through recommended upgrades.
Conducted comprehensive IAQ assessment of residential HVAC system located in utility area with particular attention to furnace unit and associated ductwork. Documented existing installation configuration including black insulated pipes and PVC drainage components. Evaluation revealed current system has standard efficiency specifications with potential for improved indoor air quality through recommended upgrades.
Michael Y.
Michael Y. Checked in
Conducted comprehensive IAQ assessment of residential HVAC system located in utility area with particular attention to furnace unit and associated ductwork. Documented existing installation configuration including black insulated pipes and PVC drainage components. Evaluation revealed current system has standard efficiency specifications with potential for improved indoor air quality through recommended upgrades.
Waterford, WI 53185
Performed inspection of aging HVAC unit showing significant corrosion, rust accumulation, and possible condensation damage. Documented deteriorated condition of existing furnace with extensive wear and environmental exposure, and verified electrical panel configuration in utility area for replacement planning purposes.
Performed inspection of aging HVAC unit showing significant corrosion, rust accumulation, and possible condensation damage. Documented deteriorated condition of existing furnace with extensive wear and environmental exposure, and verified electrical panel configuration in utility area for replacement planning purposes.
Michael Y.
Michael Y. Checked in
Performed inspection of aging HVAC unit showing significant corrosion, rust accumulation, and possible condensation damage. Documented deteriorated condition of existing furnace with extensive wear and environmental exposure, and verified electrical panel configuration in utility area for replacement planning purposes.
Waterford, WI 53185
Responded to no-heat complaint on residential furnace under 10 years old. Performed diagnostic inspection revealing failed ignition sequence. Opened access panels to examine control board and gas valve assembly. Detected faulty flame sensor preventing proper burner operation. Cleaned corroded flame sensor contacts and tested system through multiple heating cycles. Unit now functioning properly with consistent ignition and normal heat output.
Responded to no-heat complaint on residential furnace under 10 years old. Performed diagnostic inspection revealing failed ignition sequence. Opened access panels to examine control board and gas valve assembly. Detected faulty flame sensor preventing proper burner operation. Cleaned corroded flame sensor contacts and tested system through multiple heating cycles. Unit now functioning properly with consistent ignition and normal heat output.
Rich L.
Rich L. Checked in
Responded to no-heat complaint on residential furnace under 10 years old. Performed diagnostic inspection revealing failed ignition sequence. Opened access panels to examine control board and gas valve assembly. Detected faulty flame sensor preventing proper burner operation. Cleaned corroded flame sensor contacts and tested system through multiple heating cycles. Unit now functioning properly with consistent ignition and normal heat output.
Waterford, WI 53185
Conducted routine tune-up on Lennox furnace system, performing electrical diagnostics with SC660 multimeter showing 83.1V reading at test point. Inspected PVC venting pipes, electrical connections, and copper line set - all components found to be in good working condition with no issues detected.
Conducted routine tune-up on Lennox furnace system, performing electrical diagnostics with SC660 multimeter showing 83.1V reading at test point. Inspected PVC venting pipes, electrical connections, and copper line set - all components found to be in good working condition with no issues detected.
Carlos R.
Carlos R. Checked in
Conducted routine tune-up on Lennox furnace system, performing electrical diagnostics with SC660 multimeter showing 83.1V reading at test point. Inspected PVC venting pipes, electrical connections, and copper line set - all components found to be in good working condition with no issues detected.
Waterford, WI 53185
Completed installation of a new high-efficiency boiler system with integrated digital controls. Installed proper copper piping connections throughout, including expansion tank, pressure tank, and dual green circulator pumps. System includes water treatment equipment (softener/filtration system) to protect boiler and ensure optimal performance and longevity.
Completed installation of a new high-efficiency boiler system with integrated digital controls. Installed proper copper piping connections throughout, including expansion tank, pressure tank, and dual green circulator pumps. System includes water treatment equipment (softener/filtration system) to protect boiler and ensure optimal performance and longevity.
CJ K.
CJ K. Checked in
Completed installation of a new high-efficiency boiler system with integrated digital controls. Installed proper copper piping connections throughout, including expansion tank, pressure tank, and dual green circulator pumps. System includes water treatment equipment (softener/filtration system) to protect boiler and ensure optimal performance and longevity.
WATERFORD, WI 53185
Performed inspection of current HVAC system, revealing an aging Trane XE 1000 outdoor unit showing significant dust accumulation and potential corrosion damage. The indoor furnace unit exhibited extensive dirt buildup, possible water damage at base, and concerning signs of rust/corrosion at joints. Recommended full system replacement due to age, visible deterioration, and declining efficiency.
Performed inspection of current HVAC system, revealing an aging Trane XE 1000 outdoor unit showing significant dust accumulation and potential corrosion damage. The indoor furnace unit exhibited extensive dirt buildup, possible water damage at base, and concerning signs of rust/corrosion at joints. Recommended full system replacement due to age, visible deterioration, and declining efficiency.
Michael Y.
Michael Y. Checked in
Performed inspection of current HVAC system, revealing an aging Trane XE 1000 outdoor unit showing significant dust accumulation and potential corrosion damage. The indoor furnace unit exhibited extensive dirt buildup, possible water damage at base, and concerning signs of rust/corrosion at joints. Recommended full system replacement due to age, visible deterioration, and declining efficiency.
Waterford, WI 53185
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Discover the Thielmann Heating, Cooling & Plumbing Difference

Fully Licensed & Insured

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

Trusted Since 1929

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

Financing Available

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

5-Star Customer Service

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

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

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

Fully Licensed & Insured

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

Trusted Since 1929

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

Financing Available

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

5-Star Customer Service

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

Committed to Excellence

We complete jobs quickly without compromising our commitment to excellence.

Satisfaction Guarantee

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

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Our Reviews

See What Your Neighbors Are Saying

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

De'Angelo T.

De'Angelo T.

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

Jerry W.

Jerry W.

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

J. K.

J. K.

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

Paul K.

Paul K.

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

Christin C.

Christin C.