Reliable Heating, Plumbing, Electrical, And Cooling Solutions For Grafton | Thielmann Heating And Cooling

Reliable Heating, Plumbing, Electrical, and Cooling Solutions for Grafton

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Your home deserves the best care when it comes to comfort, safety, and performance. Thielmann Heating, Cooling, and Plumbing is proud to serve Grafton with a full suite of professional services. Our team is dedicated to providing reliable and efficient solutions tailored to your unique needs, ensuring your home operates smoothly in every season. If you need a home service company you can trust, give Theilmann a call at (262) 299-6197 or contact our team online. 

Comprehensive Plumbing Services in Grafton

A well-functioning plumbing system is crucial for your home’s comfort and hygiene. We offer a wide range of plumbing services designed to keep your home’s water system flowing, including:

  • Water Heater Services: Whether you need installation, repair, or maintenance, we handle both tank and tankless water heaters to keep your hot water flowing. Our Grafton plumbers can help you choose the most energy-efficient option for your household’s needs.
  • Pipe Repairs and Leak Detection: Protect your home from water damage with our efficient pipe repairs and state-of-the-art leak detection services. We locate hidden leaks quickly, preventing structural damage and reducing water waste.
  • Fixture Installations: Upgrade your kitchen or bathroom with new faucets, sinks, and garbage disposals installed by our skilled technicians. Whether you’re remodeling or simply replacing outdated fixtures, we ensure proper installation for lasting performance.
  • Sump Pump Solutions: Avoid basement flooding with our reliable sump pump installations and repairs. We also offer backup pump options to provide peace of mind during heavy rains or power outages.
  • Water Quality Systems: Enjoy cleaner, better-tasting water with our advanced filtration and softening systems tailored to your needs. Our solutions address common water issues like hard water, sediment, and contaminants, ensuring safer water for your family.

Grafton Cooling Services to Beat the Summer Heat

When summer arrives in Grafton, maintaining a cool and refreshing home is essential. With our dependable air conditioning solutions, you can beat the heat and enjoy a comfortable indoor environment all season long.

  1. AC Installation and Replacement: We install energy-efficient air conditioning systems from top brands, tailored to your home’s size and needs. Our team helps you select the perfect system for optimal cooling and cost savings.
  2. Air Conditioning Repairs: Our Grafton HVAC technicians quickly diagnose and repair issues to restore your system’s functionality. From refrigerant leaks to malfunctioning compressors, we’ve got you covered.
  3. Ductless Systems: Enjoy personalized comfort with ductless mini-split systems ideal for zoning and additions. These systems are perfect for areas where traditional ductwork isn’t feasible.
  4. Thermostat Upgrades: Improve energy efficiency with smart or programmable thermostats that let you control your system remotely. Smart thermostats also provide insights into your energy usage, helping you reduce costs.
  5. Air Quality Solutions: Enhance your indoor environment with dehumidifiers and air purifiers to reduce allergens and improve comfort. Proper humidity control also helps prevent mold growth and protects your home’s structure.

Heating Services You Can Trust

HVAC Repair Services in Southeast Wisconsin

The harsh winters in Southeastern Wisconsin require heating systems that you can trust. At Thielmann Heating, Cooling, and Plumbing, we specialize in providing tailored solutions to ensure your Grafton home remains warm, comfortable, and safe throughout the season:

Furnace Services

From installation to repairs and maintenance, we ensure your furnace operates as it’s designed to. Regular tune-ups help avoid unexpected breakdowns during the coldest months.

Boiler Installation and Repair

Boilers are excellent for consistent and energy-efficient heating. We specialize in servicing both traditional and modern systems, ensuring reliable performance all winter long.

Heat Pump Solutions

Enjoy year-round comfort with heat pumps that provide both heating and cooling. Our technicians optimize system performance for maximum efficiency and durability.

Routine Maintenance

Regular tune-ups prolong the life of your system and prevent costly breakdowns. Our maintenance plans are designed to keep your system running smoothly and efficiently.

Why Southeastern Wisconsin Chooses Thielmann

Thielmann Heating, Cooling, and Plumbing has earned the trust of our customers through our unwavering commitment to quality and customer satisfaction. Here’s why we’re the preferred choice:

  • Decades of Experience: Our seasoned technicians bring a wealth of knowledge to every service call, ensuring top-notch results.
  • Customer-First Approach: Your satisfaction is our priority, and we go above and beyond to exceed your expectations. From transparent communication to attentive service, we make your experience seamless.
  • Transparent Pricing: We believe in honest, upfront pricing with no hidden fees. You’ll know exactly what to expect before we begin any work.
  • Eco-Friendly Options: We offer sustainable solutions to help reduce your home’s environmental footprint while saving on energy costs. From high-efficiency HVAC systems to water-saving plumbing installations, we help you make greener choices.
  • Cutting-Edge Technology: We stay ahead of the curve with advanced tools and techniques to provide efficient and effective service. Our commitment to innovation ensures the best outcomes for your home.

Schedule Your Service in Grafton Today

Don’t let home service issues disrupt your life. Thielmann Heating, Cooling, and Plumbing is here to provide the expert care you need. Call us today at (262) 299-6197 or contact us online  to schedule your service. Experience the difference of working with Grafton’s trusted home service provider. 

Recent Jobs and Reviews in Grafton, WI

Job Locations and Reviews

Grafton, WI - Completed comprehensive AC tune-up on residential outdoor condensing unit. Performed standard maintenance protocol including inspection of compressor operation, refrigerant levels, electrical connections, and condenser coil condition; verified proper airflow through fan assembly and confirmed unit operating within manufacturer specifications.
Jacob A.
Jacob A. Checked in
Completed comprehensive AC tune-up on residential outdoor condensing unit. Performed standard maintenance protocol including inspection of compressor operation, refrigerant levels, electrical connections, and condenser coil condition; verified proper airflow through fan assembly and confirmed unit operating within manufacturer specifications.
Grafton, WI 53024
Completed installation of two complete air conditioning systems including indoor evaporator coils and outdoor condensing units. First system installed in basement mechanical room with new air handler unit properly positioned and connected to existing ductwork via metal supply plenum. Second outdoor condensing unit installed on ground-level pad against building exterior with electrical disconnect, refrigerant line set, and condensate drain piping routed through exterior wall. All electrical connections terminated per manufacturer specifications, refrigerant lines properly insulated, and systems tested for proper operation.
Completed installation of two complete air conditioning systems including indoor evaporator coils and outdoor condensing units. First system installed in basement mechanical room with new air handler unit properly positioned and connected to existing ductwork via metal supply plenum. Second outdoor condensing unit installed on ground-level pad against building exterior with electrical disconnect, refrigerant line set, and condensate drain piping routed through exterior wall. All electrical connections terminated per manufacturer specifications, refrigerant lines properly insulated, and systems tested for proper operation.
Branden B.
Branden B. Checked in
Completed installation of two complete air conditioning systems including indoor evaporator coils and outdoor condensing units. First system installed in basement mechanical room with new air handler unit properly positioned and connected to existing ductwork via metal supply plenum. Second outdoor condensing unit installed on ground-level pad against building exterior with electrical disconnect, refrigerant line set, and condensate drain piping routed through exterior wall. All electrical connections terminated per manufacturer specifications, refrigerant lines properly insulated, and systems tested for proper operation.
Grafton, WI 53024
Responded to service call for leaking hose bib. Upon arrival, performed diagnostic inspection of outdoor spigot and traced supply line to shutoff valve located in attic crawl space. Identified source of leak at exterior hose bib connection point. Inspected interior shutoff valve for proper operation and verified water supply control functionality. Documented existing conditions of both exterior spigot assembly and interior valve access point for customer records.
Responded to service call for leaking hose bib. Upon arrival, performed diagnostic inspection of outdoor spigot and traced supply line to shutoff valve located in attic crawl space. Identified source of leak at exterior hose bib connection point. Inspected interior shutoff valve for proper operation and verified water supply control functionality. Documented existing conditions of both exterior spigot assembly and interior valve access point for customer records.
Kyle L.
Kyle L. Checked in
Responded to service call for leaking hose bib. Upon arrival, performed diagnostic inspection of outdoor spigot and traced supply line to shutoff valve located in attic crawl space. Identified source of leak at exterior hose bib connection point. Inspected interior shutoff valve for proper operation and verified water supply control functionality. Documented existing conditions of both exterior spigot assembly and interior valve access point for customer records.
Grafton, WI 53024
Completed comprehensive estimate for replacement of two non-functional residential air conditioning units and associated natural gas furnace systems located in basement. Both existing AC units determined to be beyond economical repair, requiring complete system replacement. Evaluated existing Carrier furnace installation, ductwork configuration, refrigerant line routing, and electrical connections to determine scope of replacement work. Documented current equipment specifications, venting systems including PVC intake and exhaust pipes, and existing infrastructure to provide accurate replacement recommendations for dual HVAC system installation.
Completed comprehensive estimate for replacement of two non-functional residential air conditioning units and associated natural gas furnace systems located in basement. Both existing AC units determined to be beyond economical repair, requiring complete system replacement. Evaluated existing Carrier furnace installation, ductwork configuration, refrigerant line routing, and electrical connections to determine scope of replacement work. Documented current equipment specifications, venting systems including PVC intake and exhaust pipes, and existing infrastructure to provide accurate replacement recommendations for dual HVAC system installation.
Rudy L.
Rudy L. Checked in
Completed comprehensive estimate for replacement of two non-functional residential air conditioning units and associated natural gas furnace systems located in basement. Both existing AC units determined to be beyond economical repair, requiring complete system replacement. Evaluated existing Carrier furnace installation, ductwork configuration, refrigerant line routing, and electrical connections to determine scope of replacement work. Documented current equipment specifications, venting systems including PVC intake and exhaust pipes, and existing infrastructure to provide accurate replacement recommendations for dual HVAC system installation.
Grafton, WI 53024
Completed installation of new air conditioning system and evaporator coil unit in basement mechanical room. System was financed and includes new refrigerant lines with proper insulation, condensate drainage, and all necessary electrical connections to existing ductwork. Post-installation testing confirmed proper operation and refrigerant charge levels.
Completed installation of new air conditioning system and evaporator coil unit in basement mechanical room. System was financed and includes new refrigerant lines with proper insulation, condensate drainage, and all necessary electrical connections to existing ductwork. Post-installation testing confirmed proper operation and refrigerant charge levels.
Branden B.
Branden B. Checked in
Completed installation of new air conditioning system and evaporator coil unit in basement mechanical room. System was financed and includes new refrigerant lines with proper insulation, condensate drainage, and all necessary electrical connections to existing ductwork. Post-installation testing confirmed proper operation and refrigerant charge levels.
Grafton, WI 53024
Responded to lead for non-functioning air conditioning system and provided comprehensive estimate for complete HVAC replacement including both furnace and AC unit. Assessed existing natural gas furnace installation in basement with associated ductwork, venting through white PVC pipes, and copper gas lines with shutoff valves. Evaluated current system configuration, measured equipment specifications, and documented existing setup with photographs to prepare accurate replacement proposal for new heating and cooling equipment.
Responded to lead for non-functioning air conditioning system and provided comprehensive estimate for complete HVAC replacement including both furnace and AC unit. Assessed existing natural gas furnace installation in basement with associated ductwork, venting through white PVC pipes, and copper gas lines with shutoff valves. Evaluated current system configuration, measured equipment specifications, and documented existing setup with photographs to prepare accurate replacement proposal for new heating and cooling equipment.
Bryan P.
Bryan P. Checked in
Responded to lead for non-functioning air conditioning system and provided comprehensive estimate for complete HVAC replacement including both furnace and AC unit. Assessed existing natural gas furnace installation in basement with associated ductwork, venting through white PVC pipes, and copper gas lines with shutoff valves. Evaluated current system configuration, measured equipment specifications, and documented existing setup with photographs to prepare accurate replacement proposal for new heating and cooling equipment.
Grafton, WI 53024
GRAFTON, WI - Replaced evaporator coil on R410A system and performed system startup. Monitored refrigerant pressures and temperatures using digital manifold gauges, verifying proper system operation with high side reading 237 psig and low side reading 80 psig after completion.
Jacob A.
Jacob A. Checked in
Replaced evaporator coil on R410A system and performed system startup. Monitored refrigerant pressures and temperatures using digital manifold gauges, verifying proper system operation with high side reading 237 psig and low side reading 80 psig after completion.
GRAFTON, WI 53024
Completed full HVAC system installation including new Lennox furnace in basement utility area with proper PVC venting configuration and outdoor air conditioning unit. Performed system startup, refrigerant charging, and operational testing to verify proper performance of both heating and cooling components.
Completed full HVAC system installation including new Lennox furnace in basement utility area with proper PVC venting configuration and outdoor air conditioning unit. Performed system startup, refrigerant charging, and operational testing to verify proper performance of both heating and cooling components.
Benjamin G.
Benjamin G. Checked in
Completed full HVAC system installation including new Lennox furnace in basement utility area with proper PVC venting configuration and outdoor air conditioning unit. Performed system startup, refrigerant charging, and operational testing to verify proper performance of both heating and cooling components.
Grafton, WI 53024
Assessed non-functional tankless water heater in basement mechanical room and provided replacement estimate. Unit was determined to be inoperable and requiring full replacement. Evaluated existing hydronic heating system integration, including multiple zone controls with manifold assembly, circulation pump, expansion tank, and extensive copper and PEX piping network to ensure compatibility with new tankless installation.
Assessed non-functional tankless water heater in basement mechanical room and provided replacement estimate. Unit was determined to be inoperable and requiring full replacement. Evaluated existing hydronic heating system integration, including multiple zone controls with manifold assembly, circulation pump, expansion tank, and extensive copper and PEX piping network to ensure compatibility with new tankless installation.
Dan E.
Dan E. Checked in
Assessed non-functional tankless water heater in basement mechanical room and provided replacement estimate. Unit was determined to be inoperable and requiring full replacement. Evaluated existing hydronic heating system integration, including multiple zone controls with manifold assembly, circulation pump, expansion tank, and extensive copper and PEX piping network to ensure compatibility with new tankless installation.
Grafton, WI 53024
Completed installation of JMI sump pump system in basement utility area. Positioned and secured sump pump basin on concrete floor with proper leveling and stabilization. Mounted pump motor unit with electrical components and connected discharge piping using white PVC with appropriate fittings and secure fastening. Routed electrical wiring from pump motor to power source with proper wire management and safety labeling. Tested system operation to verify proper pump activation, discharge flow, and automatic shut-off functionality upon completion.
Completed installation of JMI sump pump system in basement utility area. Positioned and secured sump pump basin on concrete floor with proper leveling and stabilization. Mounted pump motor unit with electrical components and connected discharge piping using white PVC with appropriate fittings and secure fastening. Routed electrical wiring from pump motor to power source with proper wire management and safety labeling. Tested system operation to verify proper pump activation, discharge flow, and automatic shut-off functionality upon completion.
Kyle L.
Kyle L. Checked in
Completed installation of JMI sump pump system in basement utility area. Positioned and secured sump pump basin on concrete floor with proper leveling and stabilization. Mounted pump motor unit with electrical components and connected discharge piping using white PVC with appropriate fittings and secure fastening. Routed electrical wiring from pump motor to power source with proper wire management and safety labeling. Tested system operation to verify proper pump activation, discharge flow, and automatic shut-off functionality upon completion.
Grafton, WI 53024
Completed full HVAC system installation including furnace and air conditioning condenser unit. Installed outdoor AC unit with proper refrigerant line connections, electrical conduit routing, and junction box mounting. All copper refrigerant lines properly insulated with protective foam coverings and secured along exterior wall. System tested and verified operational upon completion.
Completed full HVAC system installation including furnace and air conditioning condenser unit. Installed outdoor AC unit with proper refrigerant line connections, electrical conduit routing, and junction box mounting. All copper refrigerant lines properly insulated with protective foam coverings and secured along exterior wall. System tested and verified operational upon completion.
Branden B.
Branden B. Checked in
Completed full HVAC system installation including furnace and air conditioning condenser unit. Installed outdoor AC unit with proper refrigerant line connections, electrical conduit routing, and junction box mounting. All copper refrigerant lines properly insulated with protective foam coverings and secured along exterior wall. System tested and verified operational upon completion.
Grafton, WI 53024
Responded to no cooling complaint on Lennox HVAC system with outdoor unit running but no cool air delivery. Performed diagnostic evaluation of indoor air handler and furnace assembly located in basement mechanical room. Inspected refrigerant lines, condensate system, and blower motor operation to identify cause of cooling failure and determine necessary repairs.
Responded to no cooling complaint on Lennox HVAC system with outdoor unit running but no cool air delivery. Performed diagnostic evaluation of indoor air handler and furnace assembly located in basement mechanical room. Inspected refrigerant lines, condensate system, and blower motor operation to identify cause of cooling failure and determine necessary repairs.
Jacob A.
Jacob A. Checked in
Responded to no cooling complaint on Lennox HVAC system with outdoor unit running but no cool air delivery. Performed diagnostic evaluation of indoor air handler and furnace assembly located in basement mechanical room. Inspected refrigerant lines, condensate system, and blower motor operation to identify cause of cooling failure and determine necessary repairs.
GRAFTON, WI 53024
Completed full HVAC system installation including new furnace and air conditioning unit. Installed outdoor condenser unit on concrete pad with proper leveling, connected refrigerant lines, and established electrical service with disconnect box. Ran condensate drainage lines using PVC piping along exterior wall. Performed system startup, charged refrigerant to manufacturer specifications, and verified proper operation of both heating and cooling components. All work completed per COSTCO program requirements with payment collected on-site.
Completed full HVAC system installation including new furnace and air conditioning unit. Installed outdoor condenser unit on concrete pad with proper leveling, connected refrigerant lines, and established electrical service with disconnect box. Ran condensate drainage lines using PVC piping along exterior wall. Performed system startup, charged refrigerant to manufacturer specifications, and verified proper operation of both heating and cooling components. All work completed per COSTCO program requirements with payment collected on-site.
Hayden L.
Hayden L. Checked in
Completed full HVAC system installation including new furnace and air conditioning unit. Installed outdoor condenser unit on concrete pad with proper leveling, connected refrigerant lines, and established electrical service with disconnect box. Ran condensate drainage lines using PVC piping along exterior wall. Performed system startup, charged refrigerant to manufacturer specifications, and verified proper operation of both heating and cooling components. All work completed per COSTCO program requirements with payment collected on-site.
Grafton, WI 53024
Conducted on-site assessment for complete HVAC system replacement. Evaluated existing 1994 air conditioning unit and furnace system located in basement mechanical room. System currently operational but nearing end of service life. Documented existing equipment configuration including gas furnace, outdoor condensing unit, refrigerant line sets, electrical connections, and ductwork layout. Provided comprehensive replacement estimate for new HVAC system installation.
Conducted on-site assessment for complete HVAC system replacement. Evaluated existing 1994 air conditioning unit and furnace system located in basement mechanical room. System currently operational but nearing end of service life. Documented existing equipment configuration including gas furnace, outdoor condensing unit, refrigerant line sets, electrical connections, and ductwork layout. Provided comprehensive replacement estimate for new HVAC system installation.
Rudy L.
Rudy L. Checked in
Conducted on-site assessment for complete HVAC system replacement. Evaluated existing 1994 air conditioning unit and furnace system located in basement mechanical room. System currently operational but nearing end of service life. Documented existing equipment configuration including gas furnace, outdoor condensing unit, refrigerant line sets, electrical connections, and ductwork layout. Provided comprehensive replacement estimate for new HVAC system installation.
Grafton, WI 53024
Completed diagnostic evaluation of existing radon mitigation system and assessed sump pump configuration in basement utility area. Inspected white PVC drainage piping with multiple elbow connections and verified proper installation of metal hose clamps at connection points. Evaluated current sump pump system and provided recommendations for new sump pump installation along with battery backup system to ensure continuous operation during power outages. Additionally assessed water softener system and discussed magnesium anode rod replacement options to extend equipment lifespan and maintain water quality.
Completed diagnostic evaluation of existing radon mitigation system and assessed sump pump configuration in basement utility area. Inspected white PVC drainage piping with multiple elbow connections and verified proper installation of metal hose clamps at connection points. Evaluated current sump pump system and provided recommendations for new sump pump installation along with battery backup system to ensure continuous operation during power outages. Additionally assessed water softener system and discussed magnesium anode rod replacement options to extend equipment lifespan and maintain water quality.
Kyle L.
Kyle L. Checked in
Completed diagnostic evaluation of existing radon mitigation system and assessed sump pump configuration in basement utility area. Inspected white PVC drainage piping with multiple elbow connections and verified proper installation of metal hose clamps at connection points. Evaluated current sump pump system and provided recommendations for new sump pump installation along with battery backup system to ensure continuous operation during power outages. Additionally assessed water softener system and discussed magnesium anode rod replacement options to extend equipment lifespan and maintain water quality.
Grafton, WI 53024
Completed full HVAC system installation including new Lennox furnace and outdoor air conditioning condenser unit. Installed furnace in basement utility area with proper PVC venting, electrical connections, and ductwork integration. Mounted AC condenser on concrete pad adjacent to home exterior with appropriate electrical conduit routing from building. Connected refrigerant lines, performed system startup, and verified proper pressures using manifold gauges. All equipment tested and operational upon completion.
Completed full HVAC system installation including new Lennox furnace and outdoor air conditioning condenser unit. Installed furnace in basement utility area with proper PVC venting, electrical connections, and ductwork integration. Mounted AC condenser on concrete pad adjacent to home exterior with appropriate electrical conduit routing from building. Connected refrigerant lines, performed system startup, and verified proper pressures using manifold gauges. All equipment tested and operational upon completion.
Branden B.
Branden B. Checked in
Completed full HVAC system installation including new Lennox furnace and outdoor air conditioning condenser unit. Installed furnace in basement utility area with proper PVC venting, electrical connections, and ductwork integration. Mounted AC condenser on concrete pad adjacent to home exterior with appropriate electrical conduit routing from building. Connected refrigerant lines, performed system startup, and verified proper pressures using manifold gauges. All equipment tested and operational upon completion.
Grafton, WI 53024
Conducted on-site evaluation for complete HVAC system replacement of 33-year-old equipment. Assessed existing natural gas furnace located in basement and air conditioning system in attic space. Documented current equipment condition and provided comprehensive estimate for replacement of both heating and cooling units.
Conducted on-site evaluation for complete HVAC system replacement of 33-year-old equipment. Assessed existing natural gas furnace located in basement and air conditioning system in attic space. Documented current equipment condition and provided comprehensive estimate for replacement of both heating and cooling units.
Jason G.
Jason G. Checked in
Conducted on-site evaluation for complete HVAC system replacement of 33-year-old equipment. Assessed existing natural gas furnace located in basement and air conditioning system in attic space. Documented current equipment condition and provided comprehensive estimate for replacement of both heating and cooling units.
Grafton, WI 53024
Completed estimate for complete HVAC system replacement at residential property. Assessed existing natural gas furnace located in basement mechanical room with associated PVC venting and copper gas line with shutoff valve. Evaluated non-operational York brand air conditioning condenser unit positioned on concrete pad with gravel base against exterior wall. Provided replacement recommendations for both heating and cooling equipment to restore full system functionality.
Completed estimate for complete HVAC system replacement at residential property. Assessed existing natural gas furnace located in basement mechanical room with associated PVC venting and copper gas line with shutoff valve. Evaluated non-operational York brand air conditioning condenser unit positioned on concrete pad with gravel base against exterior wall. Provided replacement recommendations for both heating and cooling equipment to restore full system functionality.
Steven S.
Steven S. Checked in
Completed estimate for complete HVAC system replacement at residential property. Assessed existing natural gas furnace located in basement mechanical room with associated PVC venting and copper gas line with shutoff valve. Evaluated non-operational York brand air conditioning condenser unit positioned on concrete pad with gravel base against exterior wall. Provided replacement recommendations for both heating and cooling equipment to restore full system functionality.
Grafton, WI 53024
Conducted an on-site estimate for complete HVAC system replacement including natural gas furnace located in basement and outdoor air conditioning condenser unit. Both existing units currently operational; evaluated equipment condition, ductwork configuration, and installation requirements to provide comprehensive replacement recommendations.
Conducted an on-site estimate for complete HVAC system replacement including natural gas furnace located in basement and outdoor air conditioning condenser unit. Both existing units currently operational; evaluated equipment condition, ductwork configuration, and installation requirements to provide comprehensive replacement recommendations.
Steven S.
Steven S. Checked in
Conducted an on-site estimate for complete HVAC system replacement including natural gas furnace located in basement and outdoor air conditioning condenser unit. Both existing units currently operational; evaluated equipment condition, ductwork configuration, and installation requirements to provide comprehensive replacement recommendations.
Grafton, WI 53024
Completed comprehensive AC and furnace tune-up on residential HVAC system. Performed standard maintenance procedures including inspection of air handler unit, verification of refrigerant line connections, assessment of condensate drainage system, and temperature differential measurements across ductwork showing 61.88°F reading. System components operating within normal parameters with no immediate repairs required.
Completed comprehensive AC and furnace tune-up on residential HVAC system. Performed standard maintenance procedures including inspection of air handler unit, verification of refrigerant line connections, assessment of condensate drainage system, and temperature differential measurements across ductwork showing 61.88°F reading. System components operating within normal parameters with no immediate repairs required.
Nick K.
Nick K. Checked in
Completed comprehensive AC and furnace tune-up on residential HVAC system. Performed standard maintenance procedures including inspection of air handler unit, verification of refrigerant line connections, assessment of condensate drainage system, and temperature differential measurements across ductwork showing 61.88°F reading. System components operating within normal parameters with no immediate repairs required.
Grafton, WI 53024
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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.