Heating, Cooling, And Plumbing Services In New Berlin, WI

Heating, Cooling, and Plumbing Services in New Berlin, WI

 


Thielmann - New Berlin - Thielmann 12

Looking for comprehensive property system services for your home or business in New Berlin, Wisconsin? Thielmann Heating, Cooling, & Plumbing specializes in diverse plumbing, heating and cooling system solutions. We’re a full-service company offering repairs, maintenance, installations and replacements. Plus, we have 24-hour emergency HVAC services for your urgent needs!

Reliable HVAC System Repair, Replacement, & Maintenance Services

New Berlin’s weather can make it challenging to keep your home comfortable. When the temperatures skyrocket or plunge, ensure your HVAC system can handle it.

We are your go-to team for professional air conditioning, furnace, heat pump, and other HVAC services in the local New Berlin, WI area. We have the tools and expertise to get your systems working right so you can enjoy comfortable temperatures throughout your home or business.

Keeping cool in the summer requires a good air conditioner. Whether you need AC repair, replacement, maintenance, or installation services, count on our team to get the job done right.

We work on all types of cooling systems, including:

Contact our team at (262) 315-3067 to schedule AC services in New Berlin.

New Berlin, WI Air Conditioning Services

Additional Heating and Cooling Support We Offer

In addition to our HVAC system specialties, we can assist you with various heating solutions and components, including:

Top-Rated Heating System Services

Staying warm during the Wisconsin winter can be a struggle if your furnace, heat pump, or boiler isn’t working perfectly. No matter what is wrong with your HVAC system, we can fix it. Our team offers heating repair, replacement and maintenance services for heating systems like furnaces, boilers and heat pumps. Our professionals will help keep your New Berlin home warm throughout winter.

HVAC Ductwork Services in New Berlin

The air ducts around your home or business are the only link between your HVAC system and your rooms. You’ll have serious system trouble if any ducts are cracked, broken, disconnected, or blocked.

Our company provides comprehensive ductwork services in New Berlin. We offer air duct installation, repair, maintenance and cleaning so you can get the most out of your HVAC system.

For all your ductwork needs, call (262) 315-3067 or contact us online to schedule services today.

Reliable Indoor Air Quality Services

The air in your home can be dirtier than you may think. Dust, debris, and other harmful contaminants could be in your air, leading to respiratory illnesses and HVAC damage. The team at The Thielmann Group offers indoor air quality services, including:

  • Air purifiers
  • Humidifiers
  • Dehumidifiers

Enjoy clean, safe air throughout your home.Schedule indoor air quality services in New Berlin by contacting us online or calling (262) 315-3067.

New Berlin, WI HVAC Repair Services

Commercial and Professional HVAC Unit Services

Commercial properties need top-quality HVAC systems that are made to last. Whether you need service for your system or a new one installed, look to our team for packaged unit services. We work on all brands of commercial-grade packaged HVAC units. Our team also installs packaged units for residential properties, allowing homeowners to have heating and cooling from a single, robust system. These convenient, energy-efficient systems allow for quick heating and cooling.

Trusted Plumbing Solutions for New Berlin, WI Homes

Plumbing issues never come at a good time. Whether you’re dealing with a dripping faucet or a flooded basement, Thielmann Heating, Cooling, and Plumbing provides the professional service New Berlin homeowners rely on. Our licensed plumbers are trained to handle every type of repair, replacement, and installation with precision and care.

From minor leaks to full system upgrades, we handle it all. Our technicians repair broken pipes, unclog drains, and replace worn fixtures that waste water and raise utility bills. If your water heater is struggling, we can repair it or install an energy-efficient model suited to your household. We also offer sump pump maintenance and water filtration systems that protect your home’s foundation and improve water quality.

Why homeowners in New Berlin choose Thielmann:

  • Fast response times for urgent repairs
  • Clear communication and upfront pricing
  • Work completed to meet all local plumbing codes
  • Licensed, insured professionals with years of experience

Our full range of plumbing services includes:

  • Water heater repair and installation (tank and tankless)
  • Drain cleaning and obstruction removal
  • Leak detection and pipe replacement
  • Sump pump service and installation
  • Fixture, toilet, and faucet upgrades
  • Garbage disposal repair and replacement
  • Water treatment and filtration systems

Your plumbing system should work without worry. Thielmann Heating, Cooling, and Plumbing keeps your New Berlin home safe, efficient, and comfortable. Call today for prompt service or 24/7 emergency support when you need it most.

We Also Offer Water Conditioning Services for Clean, Safe Water

Water conditioning can clean your water, providing health benefits for you, your family or your patrons. We provide the following commercial and residential water conditioning services:

  • Water filtration, including specialized carbon, reverse osmosis and sediment filters
  • Whole-house filters for clean water flow through all your fixtures
  • Iron curtains that eliminate sulfur, iron and manganese from water
  • Water softening solutions to decrease unwanted mineral contents of hard water like calcium and magnesium

Introducing one or more of these solutions can improve the longevity of your appliances and clothing, promote better cleaning, decrease rust stains and enhance overall water quality for drinking.

Choose Thielmann Heating, Cooling, & Plumbing in New Berlin for Expert Service

Since 1929, our team has been a go-to choice for top-quality residential and commercial services in New Berlin and beyond. Our NATE-certified technicians can service all HVAC brands, install Lennox-brand units, offer 24-hour emergency care and more. You can also trust our team for extensive plumbing maintenance, repairs and installations. Plus, we offer diverse financing options, upfront pricing, special deals and a job well done. Contact us online or call (262) 384-6407 to schedule your service appointment.

 

Read Reviews by Our Customers

Recent Jobs and Reviews in New Berlin, WI

New Berlin, WI at a glance

Thielmann Heating, Cooling & Plumbing has completed 20 jobs in New Berlin, WI in October 2026.

The most recent job was on October 22, 2026.

Thielmann Heating, Cooling & Plumbing has completed 387 jobs in New Berlin, WI in the last 12 months.

Job Locations and Reviews

Diagnosed black particulate and rust-colored discoloration at the kitchen faucet cold supply, with photo documentation of heavy staining in the sink basin and inspection of the basement supply piping and shutoff valve. Evidence is consistent with corroded supply piping or deteriorating internal components releasing debris into the water line, and the exterior hose bib was also evaluated for the reported minor leak.
Diagnosed black particulate and rust-colored discoloration at the kitchen faucet cold supply, with photo documentation of heavy staining in the sink basin and inspection of the basement supply piping and shutoff valve. Evidence is consistent with corroded supply piping or deteriorating internal components releasing debris into the water line, and the exterior hose bib was also evaluated for the reported minor leak.
Dan E.
Dan E. Checked in
Diagnosed black particulate and rust-colored discoloration at the kitchen faucet cold supply, with photo documentation of heavy staining in the sink basin and inspection of the basement supply piping and shutoff valve. Evidence is consistent with corroded supply piping or deteriorating internal components releasing debris into the water line, and the exterior hose bib was also evaluated for the reported minor leak.
New Berlin, WI 53146
Assessed the existing sump system, which includes a submersible primary pump with a float switch in a lined basin set in a concrete floor, a PVC discharge line, and a sealed basin cover with pipe penetrations. Evaluated the setup for the installation of a battery-powered backup sump pump to provide redundancy, and noted the basin condition, discharge routing, and sealant at the cover and rim as considerations for the proposed work.
Assessed the existing sump system, which includes a submersible primary pump with a float switch in a lined basin set in a concrete floor, a PVC discharge line, and a sealed basin cover with pipe penetrations. Evaluated the setup for the installation of a battery-powered backup sump pump to provide redundancy, and noted the basin condition, discharge routing, and sealant at the cover and rim as considerations for the proposed work.
Kyle L.
Kyle L. Checked in
Assessed the existing sump system, which includes a submersible primary pump with a float switch in a lined basin set in a concrete floor, a PVC discharge line, and a sealed basin cover with pipe penetrations. Evaluated the setup for the installation of a battery-powered backup sump pump to provide redundancy, and noted the basin condition, discharge routing, and sealant at the cover and rim as considerations for the proposed work.
New Berlin, WI 53151
New Berlin, WI - Located the gas supply line serving the abandoned exterior grill and pool heater and shut off the gas to that branch. Cut and capped the line with an appropriate threaded fitting, then performed a pressure test and leak check on the capped connection to confirm a secure, leak-free seal. The line is now safely terminated, allowing the concrete replacement work to proceed.
Gabriel S.
Gabriel S. Checked in
Located the gas supply line serving the abandoned exterior grill and pool heater and shut off the gas to that branch. Cut and capped the line with an appropriate threaded fitting, then performed a pressure test and leak check on the capped connection to confirm a secure, leak-free seal. The line is now safely terminated, allowing the concrete replacement work to proceed.
New Berlin, WI 53151
Performed an on-site estimate for replacement of a 15-year-old forced-air heating system located in the basement utility area. Inspected the existing upright furnace/air handler, supply and return ductwork, and surrounding clearances to evaluate replacement requirements and confirm the system fuel source, with natural gas service verified to the property. Documented the unit and installation area with photos to support a replacement quote.
Performed an on-site estimate for replacement of a 15-year-old forced-air heating system located in the basement utility area. Inspected the existing upright furnace/air handler, supply and return ductwork, and surrounding clearances to evaluate replacement requirements and confirm the system fuel source, with natural gas service verified to the property. Documented the unit and installation area with photos to support a replacement quote.
Chris M.
Chris M. Checked in
Performed an on-site estimate for replacement of a 15-year-old forced-air heating system located in the basement utility area. Inspected the existing upright furnace/air handler, supply and return ductwork, and surrounding clearances to evaluate replacement requirements and confirm the system fuel source, with natural gas service verified to the property. Documented the unit and installation area with photos to support a replacement quote.
New Berlin, WI 53151
New Berlin, WI - Performed a diagnostic inspection of the residential water softener, including a visual assessment of the resin tank, control valve head, and digital display. Verified the integrity of the PVC/CPVC supply and bypass piping connections and confirmed no signs of leakage, corrosion, or cracking at the tank, fittings, or surrounding utility space.
Gabriel S.
Gabriel S. Checked in
Performed a diagnostic inspection of the residential water softener, including a visual assessment of the resin tank, control valve head, and digital display. Verified the integrity of the PVC/CPVC supply and bypass piping connections and confirmed no signs of leakage, corrosion, or cracking at the tank, fittings, or surrounding utility space.
New Berlin, WI 53151
Performed HVAC tune-up, including electrical testing of the blower motor with a clamp meter, which measured 2.82 A running amperage. Inspected the interior of the system with a borescope camera and evaluated the Aprilaire media air cleaner cabinet and surrounding components, noting dust and grime buildup on the motor and adjacent metal surfaces.
Performed HVAC tune-up, including electrical testing of the blower motor with a clamp meter, which measured 2.82 A running amperage. Inspected the interior of the system with a borescope camera and evaluated the Aprilaire media air cleaner cabinet and surrounding components, noting dust and grime buildup on the motor and adjacent metal surfaces.
Todd H.
Todd H. Checked in
Performed HVAC tune-up, including electrical testing of the blower motor with a clamp meter, which measured 2.82 A running amperage. Inspected the interior of the system with a borescope camera and evaluated the Aprilaire media air cleaner cabinet and surrounding components, noting dust and grime buildup on the motor and adjacent metal surfaces.
New Berlin, WI 53146
Performed scheduled preventive maintenance tune-ups on two furnaces under the recurring membership agreement, including inspection of the equipment cabinets, electrical connections, condensate PVC drain piping, refrigerant line insulation, and supply plenum ductwork serving the second floor. All components inspected showed no visible rust, cracks, frost, or damage, and service stickers were updated on the units to document the completed maintenance.
Performed scheduled preventive maintenance tune-ups on two furnaces under the recurring membership agreement, including inspection of the equipment cabinets, electrical connections, condensate PVC drain piping, refrigerant line insulation, and supply plenum ductwork serving the second floor. All components inspected showed no visible rust, cracks, frost, or damage, and service stickers were updated on the units to document the completed maintenance.
Todd H.
Todd H. Checked in
Performed scheduled preventive maintenance tune-ups on two furnaces under the recurring membership agreement, including inspection of the equipment cabinets, electrical connections, condensate PVC drain piping, refrigerant line insulation, and supply plenum ductwork serving the second floor. All components inspected showed no visible rust, cracks, frost, or damage, and service stickers were updated on the units to document the completed maintenance.
New Berlin, WI 53151
Inspected the laundry wall outlet box and diagnosed a leak at the cold water supply valve and hose connection, which prevented installation of the new washer and dryer. Evaluated the valve assembly, braided stainless supply hoses, and drain hose, noting staining and corrosion on the box interior and surrounding wall consistent with prolonged moisture exposure. Documented the condition with photographs for repair planning.
Inspected the laundry wall outlet box and diagnosed a leak at the cold water supply valve and hose connection, which prevented installation of the new washer and dryer. Evaluated the valve assembly, braided stainless supply hoses, and drain hose, noting staining and corrosion on the box interior and surrounding wall consistent with prolonged moisture exposure. Documented the condition with photographs for repair planning.
Kyle L.
Kyle L. Checked in
Inspected the laundry wall outlet box and diagnosed a leak at the cold water supply valve and hose connection, which prevented installation of the new washer and dryer. Evaluated the valve assembly, braided stainless supply hoses, and drain hose, noting staining and corrosion on the box interior and surrounding wall consistent with prolonged moisture exposure. Documented the condition with photographs for repair planning.
New Berlin, WI 53151
Responded to a no-heat call on a Bryant gas furnace (approx. 9 years old) displaying a flashing yellow status LED. Inspected the draft inducer assembly, pressure switch and hose connections, and control board; components appeared intact but dusty, with minor rust staining noted on the cabinet floor near the inducer drain hose and grommet, indicating possible condensate or moisture intrusion. Warranty coverage was reviewed on site, and further diagnosis of the flame-sequence fault code and condensate path is recommended.
Responded to a no-heat call on a Bryant gas furnace (approx. 9 years old) displaying a flashing yellow status LED. Inspected the draft inducer assembly, pressure switch and hose connections, and control board; components appeared intact but dusty, with minor rust staining noted on the cabinet floor near the inducer drain hose and grommet, indicating possible condensate or moisture intrusion. Warranty coverage was reviewed on site, and further diagnosis of the flame-sequence fault code and condensate path is recommended.
Kevin P.
Kevin P. Checked in
Responded to a no-heat call on a Bryant gas furnace (approx. 9 years old) displaying a flashing yellow status LED. Inspected the draft inducer assembly, pressure switch and hose connections, and control board; components appeared intact but dusty, with minor rust staining noted on the cabinet floor near the inducer drain hose and grommet, indicating possible condensate or moisture intrusion. Warranty coverage was reviewed on site, and further diagnosis of the flame-sequence fault code and condensate path is recommended.
New Berlin, WI 53151
Performed on-site evaluation for replacement of a non-operational forced-air natural gas furnace and AC system serving a 2,400 sq ft, two-story home. The furnace is located in the basement with no equipment in the attic or crawl space; inspected the unit with the access panel removed, documented the existing plenum, ductwork, PVC venting/condensate piping, and exterior pipe termination, and took measurements to determine replacement equipment sizing and installation requirements.
Performed on-site evaluation for replacement of a non-operational forced-air natural gas furnace and AC system serving a 2,400 sq ft, two-story home. The furnace is located in the basement with no equipment in the attic or crawl space; inspected the unit with the access panel removed, documented the existing plenum, ductwork, PVC venting/condensate piping, and exterior pipe termination, and took measurements to determine replacement equipment sizing and installation requirements.
Michael Y.
Michael Y. Checked in
Performed on-site evaluation for replacement of a non-operational forced-air natural gas furnace and AC system serving a 2,400 sq ft, two-story home. The furnace is located in the basement with no equipment in the attic or crawl space; inspected the unit with the access panel removed, documented the existing plenum, ductwork, PVC venting/condensate piping, and exterior pipe termination, and took measurements to determine replacement equipment sizing and installation requirements.
New Berlin, WI 53151
Performed an on-site evaluation of a 15-16 year old Trane gas furnace and found rust and corrosion inside the heat exchanger chambers, indicating the unit is nearing end of service life. Inspected the burner assembly, blower, control board, venting, ductwork, and condensate drain routing, documented conditions with photos, and provided a furnace replacement estimate.
Performed an on-site evaluation of a 15-16 year old Trane gas furnace and found rust and corrosion inside the heat exchanger chambers, indicating the unit is nearing end of service life. Inspected the burner assembly, blower, control board, venting, ductwork, and condensate drain routing, documented conditions with photos, and provided a furnace replacement estimate.
Michael Y.
Michael Y. Checked in
Performed an on-site evaluation of a 15-16 year old Trane gas furnace and found rust and corrosion inside the heat exchanger chambers, indicating the unit is nearing end of service life. Inspected the burner assembly, blower, control board, venting, ductwork, and condensate drain routing, documented conditions with photos, and provided a furnace replacement estimate.
New Berlin, WI 53151
Performed an on-site estimate for replacement of existing lead water piping, inspecting the supply lines serving the laundry/utility sink and washing machine connections as well as the galvanized piping, valves, and copper lines run through the basement ceiling joists. Documented pipe conditions and routing with photos to determine the scope of work for replacing the lead piping with modern, code-compliant supply lines.
Performed an on-site estimate for replacement of existing lead water piping, inspecting the supply lines serving the laundry/utility sink and washing machine connections as well as the galvanized piping, valves, and copper lines run through the basement ceiling joists. Documented pipe conditions and routing with photos to determine the scope of work for replacing the lead piping with modern, code-compliant supply lines.
Nick B.
Nick B. Checked in
Performed an on-site estimate for replacement of existing lead water piping, inspecting the supply lines serving the laundry/utility sink and washing machine connections as well as the galvanized piping, valves, and copper lines run through the basement ceiling joists. Documented pipe conditions and routing with photos to determine the scope of work for replacing the lead piping with modern, code-compliant supply lines.
New Berlin, WI 53151
New Berlin, WI - Responded to a no-heat call on an oil-fired furnace equipped with a Beckett AFG series burner and diagnosed the unit's ignition and combustion components. Inspected the burner assembly, fuel pump, and blower motor, noting rust staining and residue on the burner housing and heavy dust accumulation throughout the cabinet. Cleaned and serviced the unit as needed to restore operation, and verified proper burner startup and heat production.
Kevin P.
Kevin P. Checked in
Responded to a no-heat call on an oil-fired furnace equipped with a Beckett AFG series burner and diagnosed the unit's ignition and combustion components. Inspected the burner assembly, fuel pump, and blower motor, noting rust staining and residue on the burner housing and heavy dust accumulation throughout the cabinet. Cleaned and serviced the unit as needed to restore operation, and verified proper burner startup and heat production.
New Berlin, WI 53151
New Berlin, WI - Performed a second-opinion inspection of an older furnace with visible rust and corrosion on the exterior of the unit and flue/vent components. Accessed the roofline with a ladder to evaluate the exterior sections, and documented the corrosion and surface deterioration with photographs. Findings were documented for the customer's review of repair versus replacement options.
Scott M.
Scott M. Checked in
Performed a second-opinion inspection of an older furnace with visible rust and corrosion on the exterior of the unit and flue/vent components. Accessed the roofline with a ladder to evaluate the exterior sections, and documented the corrosion and surface deterioration with photographs. Findings were documented for the customer's review of repair versus replacement options.
New Berlin, WI 53151
Diagnosed and repaired a ruptured sink drain pipe in the washer area, replacing the failed section to restore proper drainage and eliminate leakage. Inspected the kitchen supply lines and shutoff valves to address the cold-to-hot water crossover, and checked the greenhouse addition faucet and flexible supply connections, noting heavy corrosion on adjacent metal components and aged brass hose fittings.
Diagnosed and repaired a ruptured sink drain pipe in the washer area, replacing the failed section to restore proper drainage and eliminate leakage. Inspected the kitchen supply lines and shutoff valves to address the cold-to-hot water crossover, and checked the greenhouse addition faucet and flexible supply connections, noting heavy corrosion on adjacent metal components and aged brass hose fittings.
Kyle L.
Kyle L. Checked in
Diagnosed and repaired a ruptured sink drain pipe in the washer area, replacing the failed section to restore proper drainage and eliminate leakage. Inspected the kitchen supply lines and shutoff valves to address the cold-to-hot water crossover, and checked the greenhouse addition faucet and flexible supply connections, noting heavy corrosion on adjacent metal components and aged brass hose fittings.
New Berlin, WI 53151
Diagnosed a gas-fired tankless water heater displaying error code 11 (ignition failure). Inspection of the burner compartment revealed heavy corrosion and rust debris on the burner assembly, flaking coating on the igniter/sensor bracket, and discoloration on the heat exchanger surfaces, indicating combustion and ignition reliability issues. Verified gas valve, blower, and wiring connections and documented findings with photos for repair recommendations.
Diagnosed a gas-fired tankless water heater displaying error code 11 (ignition failure). Inspection of the burner compartment revealed heavy corrosion and rust debris on the burner assembly, flaking coating on the igniter/sensor bracket, and discoloration on the heat exchanger surfaces, indicating combustion and ignition reliability issues. Verified gas valve, blower, and wiring connections and documented findings with photos for repair recommendations.
Kyle L.
Kyle L. Checked in
Diagnosed a gas-fired tankless water heater displaying error code 11 (ignition failure). Inspection of the burner compartment revealed heavy corrosion and rust debris on the burner assembly, flaking coating on the igniter/sensor bracket, and discoloration on the heat exchanger surfaces, indicating combustion and ignition reliability issues. Verified gas valve, blower, and wiring connections and documented findings with photos for repair recommendations.
New Berlin, WI 53151
Repiped the laundry drain by replacing the existing section with new white PVC drain piping, connecting it to the main cast iron stack with no-hub couplings and banded clamps. Secured the new line with pipe hangers, verified the cleanout fitting remained accessible, and tested the washer discharge and utility sink drain to confirm proper flow with no leaks.
Repiped the laundry drain by replacing the existing section with new white PVC drain piping, connecting it to the main cast iron stack with no-hub couplings and banded clamps. Secured the new line with pipe hangers, verified the cleanout fitting remained accessible, and tested the washer discharge and utility sink drain to confirm proper flow with no leaks.
Luis H.
Luis H. Checked in
Repiped the laundry drain by replacing the existing section with new white PVC drain piping, connecting it to the main cast iron stack with no-hub couplings and banded clamps. Secured the new line with pipe hangers, verified the cleanout fitting remained accessible, and tested the washer discharge and utility sink drain to confirm proper flow with no leaks.
New Berlin, WI 53146
Performed a tune-up on the HVAC system, including an inspection of the interior passages and components with a borescope camera to check for obstructions or buildup. Measured electrical loads on the equipment with a true RMS clamp meter to verify proper amp draw and confirm the system is operating within normal parameters.
Performed a tune-up on the HVAC system, including an inspection of the interior passages and components with a borescope camera to check for obstructions or buildup. Measured electrical loads on the equipment with a true RMS clamp meter to verify proper amp draw and confirm the system is operating within normal parameters.
Todd H.
Todd H. Checked in
Performed a tune-up on the HVAC system, including an inspection of the interior passages and components with a borescope camera to check for obstructions or buildup. Measured electrical loads on the equipment with a true RMS clamp meter to verify proper amp draw and confirm the system is operating within normal parameters.
New Berlin, WI 53151
Re-caulked the kitchen sink perimeter to restore a watertight seal. Diagnosed dripping faucets at the master bathroom deck-mounted tub fixture and the guest bathroom fixture, inspecting the under-fixture brass compression supply connections and flexible supply lines for leaks and wear. The inspection also found corrosion on nearby hardware beneath the fixture.
Re-caulked the kitchen sink perimeter to restore a watertight seal. Diagnosed dripping faucets at the master bathroom deck-mounted tub fixture and the guest bathroom fixture, inspecting the under-fixture brass compression supply connections and flexible supply lines for leaks and wear. The inspection also found corrosion on nearby hardware beneath the fixture.
Kyle L.
Kyle L. Checked in
Re-caulked the kitchen sink perimeter to restore a watertight seal. Diagnosed dripping faucets at the master bathroom deck-mounted tub fixture and the guest bathroom fixture, inspecting the under-fixture brass compression supply connections and flexible supply lines for leaks and wear. The inspection also found corrosion on nearby hardware beneath the fixture.
New Berlin, WI 53146
Performed a full HVAC tune-up, measuring supply air temperature at the register (112.6°F) to verify heating output and noting dirt and debris buildup on the register slats. Used a borescope to inspect the heat exchanger and found corrosion and rust patches along an internal seam, which should be monitored and evaluated for further repair or replacement.
Performed a full HVAC tune-up, measuring supply air temperature at the register (112.6°F) to verify heating output and noting dirt and debris buildup on the register slats. Used a borescope to inspect the heat exchanger and found corrosion and rust patches along an internal seam, which should be monitored and evaluated for further repair or replacement.
Todd H.
Todd H. Checked in
Performed a full HVAC tune-up, measuring supply air temperature at the register (112.6°F) to verify heating output and noting dirt and debris buildup on the register slats. Used a borescope to inspect the heat exchanger and found corrosion and rust patches along an internal seam, which should be monitored and evaluated for further repair or replacement.
New Berlin, WI 53151

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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.