Reputable Home Services In West Allis | Thielmann Heating And Cooling

Reputable Home Services in West Allis

For over 90 years, Thielmann Heating, Cooling, and Plumbing has been the go-to provider for dependable home solutions in the Southeastern Wisconsin area. Our team combines expertise and personalized care to ensure your living or working spaces are efficient, secure, and comfortable. Whether it’s installing West Allis HVAC systems or addressing plumbing challenges, we’re committed to delivering seamless, high-quality service every time. For superior home services, call (262) 315-3067 or contact our team online.

Advanced HVAC Solutions for West Allis Homes

HVAC systems

The diverse weather patterns of West Allis make having a dependable HVAC system an absolute necessity to ensure year-round comfort. At Thielmann Heating, Cooling, and Plumbing, we deliver innovative heating and cooling solutions tailored to meet the unique demands of your home or business:

West Allis Heating Services

Cooling Services in West Allis

  • Central Air Conditioning: Modern AC systems provide consistent, efficient cooling tailored to your home’s specific needs. We handle installations, replacements, and repairs.
  • Ductless Mini-Splits: Perfect for homes without ductwork, mini-splits offer targeted cooling solutions with exceptional energy efficiency.
  • Zoned Cooling Systems: Customize temperatures in different areas of your home for personalized comfort. This solution allows you to save energy by only cooling occupied spaces.
  • AC Maintenance Plans: Extend your system’s lifespan and prevent costly breakdowns with regular tune-ups and inspections.

Plumbing Services Designed for Reliability

Thielmann - Wauwatosa - Village 3

Your home deserves a plumbing system that works effortlessly, day in and day out. That’s why Thielmann is here to provide dependable, high-quality plumbing services in West Allis tailored to your needs:

  1. Reliable Water Heater Services: Whether you prefer tank or tankless systems, our team ensures your water heater delivers hot water whenever you need it. We also offer energy-efficient upgrades that help you save money in the long run.
  2. Stylish Fixture Replacements: Revitalize your kitchen or bathroom with sleek, modern faucets, sinks, and showerheads. Not only do they look great, but they’re also built to improve water efficiency.
  3. Dependable Sump Pump Solutions: Avoid the stress of basement flooding with our expertly installed sump pumps. We also provide routine maintenance to keep your system ready for heavy rains.
  4. Efficient Garbage Disposal Services: A fully functional garbage disposal makes life easier. Count on us for repairs or installations that keep your kitchen running smoothly.
  5. Water Softener Installations: Hard water doesn’t have to be a headache. Our water softener solutions improve water quality, reduce scale buildup, and extend the lifespan of your appliances.

Indoor Air Quality Solutions

Take control of the air you breathe with our specialized West Allis indoor air quality services, designed to create a fresher and healthier home environment for your family:

Advanced Air Purifiers

Say goodbye to allergens, dust, and pollutants with state-of-the-art purification systems that seamlessly integrate with your HVAC setup for whole-home coverage.

Enhanced Ventilation

Experience better airflow and eliminate stale, trapped air with ventilation upgrades customized to suit your home’s needs. Improved ventilation means cleaner air and a more comfortable living space.

Precision Humidity Control

Achieve the perfect balance of humidity year-round with our professional humidifiers and dehumidifiers. These systems not only improve your comfort but also help protect your home from the effects of excessive moisture or dryness.

UV Technology for Cleaner Air

Protect your family from harmful bacteria, mold, and viruses with ultraviolet light systems integrated into your HVAC unit. These cutting-edge solutions ensure a safer, healthier indoor environment.

Commercial Services for West Allis Businesses

Thielmann is proud to partner with West Allis businesses, providing tailored solutions to ensure smooth operations and energy efficiency. Our commercial services include:

  1. High-Performance HVAC Systems: Keep your business comfortable with energy-efficient heating and cooling systems designed specifically for commercial spaces. We handle everything from installation to ongoing maintenance.
  2. Comprehensive Plumbing Solutions: From routine restroom repairs to complex piping projects, our commercial plumbing services are reliable and efficient, helping you avoid costly disruptions.

Contact Thielmann Today

Upgrade your home or business with expert services from Thielmann Heating, Cooling, and Plumbing. Contact us today to schedule a consultation or service appointment by calling (262) 315-3067. We’re proud to serve West Allis with solutions that enhance comfort, efficiency, and safety.

 

Recent Jobs and Reviews in West Allis, WI

West Allis, WI at a glance

Thielmann Heating, Cooling & Plumbing has completed 20 jobs in West Allis, WI between March 2026 and May 2026.

The most recent job was on May 12, 2026.

Job Locations and Reviews

Completed full HVAC system installation including new outdoor air conditioning unit with associated coil and Honeywell Home digital thermostat. Installed exterior condensing unit on composite equipment pad with proper electrical disconnect and conduit connections, established refrigerant line sets between outdoor and indoor components, and mounted programmable thermostat on interior wall for system control and temperature management.
Completed full HVAC system installation including new outdoor air conditioning unit with associated coil and Honeywell Home digital thermostat. Installed exterior condensing unit on composite equipment pad with proper electrical disconnect and conduit connections, established refrigerant line sets between outdoor and indoor components, and mounted programmable thermostat on interior wall for system control and temperature management.
Jeff D.
Jeff D. Checked in
Completed full HVAC system installation including new outdoor air conditioning unit with associated coil and Honeywell Home digital thermostat. Installed exterior condensing unit on composite equipment pad with proper electrical disconnect and conduit connections, established refrigerant line sets between outdoor and indoor components, and mounted programmable thermostat on interior wall for system control and temperature management.
WEST ALLIS, WI 53214
Responded to service call for air conditioning unit producing clunking noise during operation. Upon arrival, inspected outdoor condenser unit and surrounding components, documented equipment condition with photographs showing unit properly positioned on concrete pad with adequate clearance and access to refrigerant lines and electrical connections. Conducted operational assessment to identify source of mechanical noise and verified system functionality.
Responded to service call for air conditioning unit producing clunking noise during operation. Upon arrival, inspected outdoor condenser unit and surrounding components, documented equipment condition with photographs showing unit properly positioned on concrete pad with adequate clearance and access to refrigerant lines and electrical connections. Conducted operational assessment to identify source of mechanical noise and verified system functionality.
Ron B.
Ron B. Checked in
Responded to service call for air conditioning unit producing clunking noise during operation. Upon arrival, inspected outdoor condenser unit and surrounding components, documented equipment condition with photographs showing unit properly positioned on concrete pad with adequate clearance and access to refrigerant lines and electrical connections. Conducted operational assessment to identify source of mechanical noise and verified system functionality.
WEST ALLIS, WI 53227
Completed full HVAC system installation including new furnace, air conditioning unit, and F100 air filtration system. Installed new air handler with vertical configuration in basement utility area, connected refrigerant line set with proper insulation, and integrated all ductwork connections. All equipment mounted, electrical connections completed, condensate drainage established, and system tested for proper operation.
Completed full HVAC system installation including new furnace, air conditioning unit, and F100 air filtration system. Installed new air handler with vertical configuration in basement utility area, connected refrigerant line set with proper insulation, and integrated all ductwork connections. All equipment mounted, electrical connections completed, condensate drainage established, and system tested for proper operation.
Juan C.
Juan C. Checked in
Completed full HVAC system installation including new furnace, air conditioning unit, and F100 air filtration system. Installed new air handler with vertical configuration in basement utility area, connected refrigerant line set with proper insulation, and integrated all ductwork connections. All equipment mounted, electrical connections completed, condensate drainage established, and system tested for proper operation.
West Allis, WI 53227
Conducted estimate for air conditioning system addition to existing home with Carrier gas furnace currently installed in basement. Assessed installation requirements, reviewed existing ductwork infrastructure and determined optimal placement for outdoor condensing unit on exterior side of home near foundation with PVC condensate drainage routing. Documented existing furnace configuration, available electrical service, and recommended AC unit positioning to integrate with current heating system for complete HVAC functionality.
Conducted estimate for air conditioning system addition to existing home with Carrier gas furnace currently installed in basement. Assessed installation requirements, reviewed existing ductwork infrastructure and determined optimal placement for outdoor condensing unit on exterior side of home near foundation with PVC condensate drainage routing. Documented existing furnace configuration, available electrical service, and recommended AC unit positioning to integrate with current heating system for complete HVAC functionality.
Dave V.
Dave V. Checked in
Conducted estimate for air conditioning system addition to existing home with Carrier gas furnace currently installed in basement. Assessed installation requirements, reviewed existing ductwork infrastructure and determined optimal placement for outdoor condensing unit on exterior side of home near foundation with PVC condensate drainage routing. Documented existing furnace configuration, available electrical service, and recommended AC unit positioning to integrate with current heating system for complete HVAC functionality.
WEST ALLIS, WI 53214
Completed routine cooling system maintenance visit as part of membership agreement. Performed comprehensive inspection of outdoor condensing unit, which showed significant accumulation of leaves, twigs, and organic debris in the base pan and around compressor components. Cleaned debris from unit interior, inspected compressor, capacitor, refrigerant lines, and electrical connections, and verified all components were operating within normal parameters.
Completed routine cooling system maintenance visit as part of membership agreement. Performed comprehensive inspection of outdoor condensing unit, which showed significant accumulation of leaves, twigs, and organic debris in the base pan and around compressor components. Cleaned debris from unit interior, inspected compressor, capacitor, refrigerant lines, and electrical connections, and verified all components were operating within normal parameters.
Carlos R.
Carlos R. Checked in
Completed routine cooling system maintenance visit as part of membership agreement. Performed comprehensive inspection of outdoor condensing unit, which showed significant accumulation of leaves, twigs, and organic debris in the base pan and around compressor components. Cleaned debris from unit interior, inspected compressor, capacitor, refrigerant lines, and electrical connections, and verified all components were operating within normal parameters.
West Allis, WI 53227
Responded to commercial property for water leak originating from first floor and extending down to basement level. Upon inspection, discovered deteriorated wooden structural members with significant moisture damage and rot in the affected area, evidenced by heavy black staining on horizontal and vertical support beams. Located and repaired the source of the leak involving aged copper piping showing green patina oxidation. Addressed secondary plumbing issue involving PVC drainage system with corroded metal collar fitting causing rust staining on surrounding tiled surface. Completed installation of new water line connection for refrigerator appliance as requested.
Responded to commercial property for water leak originating from first floor and extending down to basement level. Upon inspection, discovered deteriorated wooden structural members with significant moisture damage and rot in the affected area, evidenced by heavy black staining on horizontal and vertical support beams. Located and repaired the source of the leak involving aged copper piping showing green patina oxidation. Addressed secondary plumbing issue involving PVC drainage system with corroded metal collar fitting causing rust staining on surrounding tiled surface. Completed installation of new water line connection for refrigerator appliance as requested.
Gabriel S.
Gabriel S. Checked in
Responded to commercial property for water leak originating from first floor and extending down to basement level. Upon inspection, discovered deteriorated wooden structural members with significant moisture damage and rot in the affected area, evidenced by heavy black staining on horizontal and vertical support beams. Located and repaired the source of the leak involving aged copper piping showing green patina oxidation. Addressed secondary plumbing issue involving PVC drainage system with corroded metal collar fitting causing rust staining on surrounding tiled surface. Completed installation of new water line connection for refrigerator appliance as requested.
West Allis, WI 53214
West Allis, WI - Successfully installed a new Bradford White residential water heater in the basement utility area. The installation included proper connection of copper supply piping with brass fittings and shut-off valves, gas line hookup with appropriate controls, and venting system installation. Unit was tested for proper operation and all safety checks were completed.
Kevin C.
Kevin C. Checked in
Successfully installed a new Bradford White residential water heater in the basement utility area. The installation included proper connection of copper supply piping with brass fittings and shut-off valves, gas line hookup with appropriate controls, and venting system installation. Unit was tested for proper operation and all safety checks were completed.
West Allis, WI 53227
Conducted on-site assessment for sump pump installation in residential property currently lacking basement water management system. Evaluated basement conditions and determined requirements for complete sump pump system including excavation for crock basin installation. Documented existing basement infrastructure including overhead ductwork showing advanced corrosion and deterioration, floor joist configuration, and foundation exterior conditions adjacent to lawn area where discharge line routing would be required.
Conducted on-site assessment for sump pump installation in residential property currently lacking basement water management system. Evaluated basement conditions and determined requirements for complete sump pump system including excavation for crock basin installation. Documented existing basement infrastructure including overhead ductwork showing advanced corrosion and deterioration, floor joist configuration, and foundation exterior conditions adjacent to lawn area where discharge line routing would be required.
Kyle L.
Kyle L. Checked in
Conducted on-site assessment for sump pump installation in residential property currently lacking basement water management system. Evaluated basement conditions and determined requirements for complete sump pump system including excavation for crock basin installation. Documented existing basement infrastructure including overhead ductwork showing advanced corrosion and deterioration, floor joist configuration, and foundation exterior conditions adjacent to lawn area where discharge line routing would be required.
West Allis, WI 53214
Responded to no heat call on Lennox Elite system. Upon arrival, accessed unit and performed diagnostic inspection of internal components including blower assemblies, electrical connections, and control systems. Inspected all mechanical and electrical components, verified proper wiring connections, and checked capacitor operation. System was evaluated and appropriate corrective measures were taken to restore heating operation to the unit.
Responded to no heat call on Lennox Elite system. Upon arrival, accessed unit and performed diagnostic inspection of internal components including blower assemblies, electrical connections, and control systems. Inspected all mechanical and electrical components, verified proper wiring connections, and checked capacitor operation. System was evaluated and appropriate corrective measures were taken to restore heating operation to the unit.
Todd H.
Todd H. Checked in
Responded to no heat call on Lennox Elite system. Upon arrival, accessed unit and performed diagnostic inspection of internal components including blower assemblies, electrical connections, and control systems. Inspected all mechanical and electrical components, verified proper wiring connections, and checked capacitor operation. System was evaluated and appropriate corrective measures were taken to restore heating operation to the unit.
West Allis, WI 53219
Completed installation of a comprehensive water treatment system in basement utility area, including a black water softener tank and Capital brand water filtration system with digital control head. Installed and connected white PVC piping configuration with shut-off valves, integrated copper supply lines to existing plumbing infrastructure, and established proper drainage connections using flexible corrugated hose. Mounted control components to concrete block wall, completed all electrical connections between units, verified proper system operation, and provided documentation for homeowner reference.
Completed installation of a comprehensive water treatment system in basement utility area, including a black water softener tank and Capital brand water filtration system with digital control head. Installed and connected white PVC piping configuration with shut-off valves, integrated copper supply lines to existing plumbing infrastructure, and established proper drainage connections using flexible corrugated hose. Mounted control components to concrete block wall, completed all electrical connections between units, verified proper system operation, and provided documentation for homeowner reference.
Kyle L.
Kyle L. Checked in
Completed installation of a comprehensive water treatment system in basement utility area, including a black water softener tank and Capital brand water filtration system with digital control head. Installed and connected white PVC piping configuration with shut-off valves, integrated copper supply lines to existing plumbing infrastructure, and established proper drainage connections using flexible corrugated hose. Mounted control components to concrete block wall, completed all electrical connections between units, verified proper system operation, and provided documentation for homeowner reference.
West Allis, WI 53214
Completed scheduled prepaid maintenance visit on residential air handler unit located in attic space. Performed comprehensive system inspection including examination of condensate drainage lines, refrigerant connections, and electrical components. Air handler unit found in operational condition with copper refrigerant lines showing normal patina consistent with system age. Verified condensate drain system functionality and confirmed all mechanical components secured properly. System operational at time of departure.
Completed scheduled prepaid maintenance visit on residential air handler unit located in attic space. Performed comprehensive system inspection including examination of condensate drainage lines, refrigerant connections, and electrical components. Air handler unit found in operational condition with copper refrigerant lines showing normal patina consistent with system age. Verified condensate drain system functionality and confirmed all mechanical components secured properly. System operational at time of departure.
Todd H.
Todd H. Checked in
Completed scheduled prepaid maintenance visit on residential air handler unit located in attic space. Performed comprehensive system inspection including examination of condensate drainage lines, refrigerant connections, and electrical components. Air handler unit found in operational condition with copper refrigerant lines showing normal patina consistent with system age. Verified condensate drain system functionality and confirmed all mechanical components secured properly. System operational at time of departure.
West Allis, WI 53227
Responded to no heat call on HVAC system less than 10 years old. Upon inspection, found loose or disconnected low-voltage wiring at the furnace control board that was preventing the heating system from receiving proper signal from the thermostat. Reconnected and secured all low-voltage wire connections at the control board terminals, verified proper wire placement according to manufacturer specifications, and tested system operation. Unit fired successfully and restored heat to the residence.
Responded to no heat call on HVAC system less than 10 years old. Upon inspection, found loose or disconnected low-voltage wiring at the furnace control board that was preventing the heating system from receiving proper signal from the thermostat. Reconnected and secured all low-voltage wire connections at the control board terminals, verified proper wire placement according to manufacturer specifications, and tested system operation. Unit fired successfully and restored heat to the residence.
Kevin P.
Kevin P. Checked in
Responded to no heat call on HVAC system less than 10 years old. Upon inspection, found loose or disconnected low-voltage wiring at the furnace control board that was preventing the heating system from receiving proper signal from the thermostat. Reconnected and secured all low-voltage wire connections at the control board terminals, verified proper wire placement according to manufacturer specifications, and tested system operation. Unit fired successfully and restored heat to the residence.
West Allis, WI 53214
Completed full HVAC system installation in residential basement, including new Patriot high-efficiency furnace and Lennox air handler with Thermann branded components. Installed copper refrigerant line sets with proper insulation, white PVC condensate drainage and venting system, and gray metal supply/return ductwork with plenum transitions. Mounted all equipment on protective base pads over concrete flooring with proper clearances for code compliance and future maintenance access. Ran electrical connections, secured all piping and ductwork, verified system startup, and tested all components for proper operation.
Completed full HVAC system installation in residential basement, including new Patriot high-efficiency furnace and Lennox air handler with Thermann branded components. Installed copper refrigerant line sets with proper insulation, white PVC condensate drainage and venting system, and gray metal supply/return ductwork with plenum transitions. Mounted all equipment on protective base pads over concrete flooring with proper clearances for code compliance and future maintenance access. Ran electrical connections, secured all piping and ductwork, verified system startup, and tested all components for proper operation.
CJ K.
CJ K. Checked in
Completed full HVAC system installation in residential basement, including new Patriot high-efficiency furnace and Lennox air handler with Thermann branded components. Installed copper refrigerant line sets with proper insulation, white PVC condensate drainage and venting system, and gray metal supply/return ductwork with plenum transitions. Mounted all equipment on protective base pads over concrete flooring with proper clearances for code compliance and future maintenance access. Ran electrical connections, secured all piping and ductwork, verified system startup, and tested all components for proper operation.
West Allis, WI 53227
Conducted comprehensive water service estimate inspection in basement utility area. Assessed aging infrastructure including corroded electrical junction box with significant rust deterioration, multiple water supply lines with brass fittings, and associated piping systems requiring evaluation for potential replacement or repair to ensure safe and reliable water service operation.
Conducted comprehensive water service estimate inspection in basement utility area. Assessed aging infrastructure including corroded electrical junction box with significant rust deterioration, multiple water supply lines with brass fittings, and associated piping systems requiring evaluation for potential replacement or repair to ensure safe and reliable water service operation.
Kyle L.
Kyle L. Checked in
Conducted comprehensive water service estimate inspection in basement utility area. Assessed aging infrastructure including corroded electrical junction box with significant rust deterioration, multiple water supply lines with brass fittings, and associated piping systems requiring evaluation for potential replacement or repair to ensure safe and reliable water service operation.
West Allis, WI 53214
Conducted comprehensive assessment of existing HVAC system and electrical infrastructure for complete system replacement. Evaluated current electrical panel capacity and circuit configuration to ensure compatibility with new equipment specifications. Documented existing ductwork system, including main supply trunk and structural support components, to determine modification requirements for optimal airflow and equipment integration with proposed replacement unit.
Conducted comprehensive assessment of existing HVAC system and electrical infrastructure for complete system replacement. Evaluated current electrical panel capacity and circuit configuration to ensure compatibility with new equipment specifications. Documented existing ductwork system, including main supply trunk and structural support components, to determine modification requirements for optimal airflow and equipment integration with proposed replacement unit.
Dave V.
Dave V. Checked in
Conducted comprehensive assessment of existing HVAC system and electrical infrastructure for complete system replacement. Evaluated current electrical panel capacity and circuit configuration to ensure compatibility with new equipment specifications. Documented existing ductwork system, including main supply trunk and structural support components, to determine modification requirements for optimal airflow and equipment integration with proposed replacement unit.
West Allis, WI 53227
# HVAC Service Report - No Heat Call

Responded to no heat call on Lennox Elite furnace system. Upon arrival, conducted visual inspection of unit and opened access panel to examine internal components. Found unit in non-operational state with no active heating cycle.

Performed thorough diagnostic inspection of electrical and mechanical systems within furnace compartment. Examined control board, wiring connections, capacitors, and associated components for signs of failure or malfunction. Noted significant discoloration and residue accumulation on lower metal shelf inside unit, indicating possible previous moisture intrusion or operational issues.

Inspected all wire bundles and electrical connections throughout the system, including multi-colored wiring harnesses secured with zip ties. Verified integrity of connections between control systems and operational components. Checked capacitors, motor assemblies, and related electrical devices for proper function and secure mounting.

Asses
# HVAC Service Report - No Heat Call

Responded to no heat call on Lennox Elite furnace system. Upon arrival, conducted visual inspection of unit and opened access panel to examine internal components. Found unit in non-operational state with no active heating cycle.

Performed thorough diagnostic inspection of electrical and mechanical systems within furnace compartment. Examined control board, wiring connections, capacitors, and associated components for signs of failure or malfunction. Noted significant discoloration and residue accumulation on lower metal shelf inside unit, indicating possible previous moisture intrusion or operational issues.

Inspected all wire bundles and electrical connections throughout the system, including multi-colored wiring harnesses secured with zip ties. Verified integrity of connections between control systems and operational components. Checked capacitors, motor assemblies, and related electrical devices for proper function and secure mounting.

Asses
Todd H.
Todd H. Checked in
# HVAC Service Report - No Heat Call Responded to no heat call on Lennox Elite furnace system. Upon arrival, conducted visual inspection of unit and opened access panel to examine internal components. Found unit in non-operational state with no active heating cycle. Performed thorough diagnostic inspection of electrical and mechanical systems within furnace compartment. Examined control board, wiring connections, capacitors, and associated components for signs of failure or malfunction. Noted significant discoloration and residue accumulation on lower metal shelf inside unit, indicating possible previous moisture intrusion or operational issues. Inspected all wire bundles and electrical connections throughout the system, including multi-colored wiring harnesses secured with zip ties. Verified integrity of connections between control systems and operational components. Checked capacitors, motor assemblies, and related electrical devices for proper function and secure mounting. Asses
West Allis, WI 53219
# HVAC Estimate - Replacement Summary

Conducted comprehensive assessment of existing hydronic heating system showing significant deterioration and corrosion throughout circulation pump assembly and associated piping infrastructure. Documentation revealed extensive mineral deposits, oxidation on copper and metal piping connections, and aging pump unit with compromised fittings requiring complete system replacement to ensure reliable heating operation and prevent potential failure.

# Detailed Assessment

The inspection identified a ceiling-mounted circulation pump assembly with multiple copper and metal pipe connections exhibiting advanced corrosion and mineral buildup. The pump unit displayed considerable weathering with darkened housing and deteriorated surface finish. Critical observations included white crusty deposits indicating long-term water seepage or condensation issues, oxidation on pipe joints and fittings, and visible wear on metal surfaces throughout the assembly.

The pi
# HVAC Estimate - Replacement Summary

Conducted comprehensive assessment of existing hydronic heating system showing significant deterioration and corrosion throughout circulation pump assembly and associated piping infrastructure. Documentation revealed extensive mineral deposits, oxidation on copper and metal piping connections, and aging pump unit with compromised fittings requiring complete system replacement to ensure reliable heating operation and prevent potential failure.

# Detailed Assessment

The inspection identified a ceiling-mounted circulation pump assembly with multiple copper and metal pipe connections exhibiting advanced corrosion and mineral buildup. The pump unit displayed considerable weathering with darkened housing and deteriorated surface finish. Critical observations included white crusty deposits indicating long-term water seepage or condensation issues, oxidation on pipe joints and fittings, and visible wear on metal surfaces throughout the assembly.

The pi
Michael Y.
Michael Y. Checked in
# HVAC Estimate - Replacement Summary Conducted comprehensive assessment of existing hydronic heating system showing significant deterioration and corrosion throughout circulation pump assembly and associated piping infrastructure. Documentation revealed extensive mineral deposits, oxidation on copper and metal piping connections, and aging pump unit with compromised fittings requiring complete system replacement to ensure reliable heating operation and prevent potential failure. # Detailed Assessment The inspection identified a ceiling-mounted circulation pump assembly with multiple copper and metal pipe connections exhibiting advanced corrosion and mineral buildup. The pump unit displayed considerable weathering with darkened housing and deteriorated surface finish. Critical observations included white crusty deposits indicating long-term water seepage or condensation issues, oxidation on pipe joints and fittings, and visible wear on metal surfaces throughout the assembly. The pi
West Allis, WI 53214
Installed and secured new metal HVAC ductwork in unfinished basement, including proper installation of a 90-degree elbow joint. All connections were sealed with metal tape to ensure system integrity and efficiency.
Installed and secured new metal HVAC ductwork in unfinished basement, including proper installation of a 90-degree elbow joint. All connections were sealed with metal tape to ensure system integrity and efficiency.
Derik B.
Derik B. Checked in
Installed and secured new metal HVAC ductwork in unfinished basement, including proper installation of a 90-degree elbow joint. All connections were sealed with metal tape to ensure system integrity and efficiency.
West Allis, WI 53227
West Allis, WI - Performed inspection of furnace heat exchanger through observation port. Confirmed proper flame pattern with characteristic orange glow and no signs of flame roll-out or carbon buildup. Visual inspection indicates normal operation with no immediate concerns regarding heat exchanger integrity.
Kevin P.
Kevin P. Checked in
Performed inspection of furnace heat exchanger through observation port. Confirmed proper flame pattern with characteristic orange glow and no signs of flame roll-out or carbon buildup. Visual inspection indicates normal operation with no immediate concerns regarding heat exchanger integrity.
West Allis, WI 53214
Performed scheduled HVAC maintenance service including electrical diagnostic testing with multimeter, checking system voltage readings (measured 50.89V), and verifying thermostat functionality. Confirmed Sensi thermostat was operating correctly in heating mode, maintaining 66°F ambient temperature with 40% humidity and temporary setpoint of 67°F. System is functioning within normal parameters with all connections secure.
Performed scheduled HVAC maintenance service including electrical diagnostic testing with multimeter, checking system voltage readings (measured 50.89V), and verifying thermostat functionality. Confirmed Sensi thermostat was operating correctly in heating mode, maintaining 66°F ambient temperature with 40% humidity and temporary setpoint of 67°F. System is functioning within normal parameters with all connections secure.
Makinze C.
Makinze C. Checked in
Performed scheduled HVAC maintenance service including electrical diagnostic testing with multimeter, checking system voltage readings (measured 50.89V), and verifying thermostat functionality. Confirmed Sensi thermostat was operating correctly in heating mode, maintaining 66°F ambient temperature with 40% humidity and temporary setpoint of 67°F. System is functioning within normal parameters with all connections secure.
West Allis, WI 53227
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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.