Top 24/7 HVAC Service In Hartford, WI | Upfront Pricing

HVAC, IAQ, & PLumbing Services in Hartford, WI

Reliable HVAC services are necessary to combat the extreme weather conditions for which Hartford, WI, is known. The Thielmann Group is here to meet those needs, ensuring your comfort and safety year-round. We understand the importance of a well-functioning HVAC system and clean indoor air quality, so we offer comprehensive solutions designed to keep your home comfortable and healthy.

Our team of highly skilled and NATE-certified technicians is here when you need us the most, offering 24/7 emergency HVAC services to tend to all your urgent repair requests. Are you worried about the cost of replacing your HVAC system? We provide free estimates to help you plan your budget accordingly.

Don’t wait until your HVAC system breaks down. Contact us today at (262) 299-6197 to request our professional HVAC services and experience the difference firsthand! 

HVAC technician performing a service on an outdoor AC unit

Same-Day Heating Services

The Thielmann Group takes pride in offering same-day heating solutions to families throughout Hartford, WI. Our team has experience repairing and maintaining all types of heating equipment, including:

  • Boilers: Whether your boiler needs repair, maintenance, or replacement, our experts can handle it all.
  • Gas furnaces: Keep your home warm with our gas furnace installation, repair, and maintenance services.
  • Oil furnaces: We provide comprehensive solutions for oil furnace systems to ensure your home stays cozy during the coldest months.
  • Heat pumps: Our skilled technicians are well-versed in installation, repair, and maintenance to keep your indoor climate just right.

Reliable Cooling Services

Stay cool during the sweltering summer months with The Thielmann Group’s reliable air conditioning solutions. Our services proudly include installation, replacement, repair, and maintenance for various cooling systems, including:

  • Central air conditioning: We ensure your central AC system runs efficiently to keep your home comfortable.
  • Ductless mini-splits: We offer ductless mini-split installation and maintenance services for homes without ductwork.
  • Packaged units: Our experts are equipped to handle packaged unit systems for both residential and commercial properties.

Trust us to keep your home cool and comfortable throughout the summer season. Call (262) 299-6197 today to schedule AC services in Hartford, WI

Signs You Need HVAC Services in Hartford

Is your HVAC system in need of urgent attention? Here are some signs to watch out for:

  • Inconsistent temperatures: Uneven heating or cooling throughout your home.
  • Increased energy bills: A sudden spike in energy costs can indicate HVAC system inefficiency.
  • Strange noises: Unusual sounds from your HVAC system may indicate a problem.
  • Poor air quality: Dusty or polluted air can lead to health issues for you and your family.

If you notice any of these signs, don’t hesitate to contact The Thielmann Group at (262) 299-6197 for prompt and professional HVAC services

Top-Rated Air Quality Services

Indoor air quality is crucial for a healthy and comfortable living environment. The Thielmann Group offers several indoor air quality solutions to address your specific needs, including:

  • Air purifiers: Improve air quality by removing allergens, dust, and pollutants.
  • Humidifiers: Maintain optimal humidity levels for better comfort and health.
  • Dehumidifiers: Prevent excess moisture and mold growth in your home.
  • Duct cleaning: Remove contaminants from your ductwork for cleaner air.

Breathe easier with our top-rated indoor air quality services. Request IAQ services for your home by calling us at (262) 299-6197 today!

Professional Plumbing Services in Hartford, WI

Your home’s plumbing system is one of the most important, yet often forgotten, systems in your house. When plumbing problems arise, they can turn from inconvenient to down right dirty in seconds. Having a reliable team of Hartford plumbers on your speed dial can make all the difference. Thielmann Heating, Cooling, and Plumbing has been serving homeowners since 1929. This means we understand what your home needs and treat each problem with professional, quality workmanship. 

Our trained, certified team of plumbers in Hartford are able to handle everything from new fixture installations to major pipe repairs, and everything in between. For Hartford, WI homeowners needing fast, reliable plumbing services, Thielmann offers:

  • Water Heater repair and replacement that ensure you always have hot water
  • Drain cleaning to clear buildup and remove clogs
  • Kitchen faucet, sink, and garbage disposal installation and service
  • Bathroom fixtures and toilet repair and installation
  • Minimally invasive pipe repair and replacement to improve water pressure
  • Sump pump services to ensure a dry, safe basement. 

Water Conditioning in Hartford, WI

For residents in Hartford, WI, hard water can damage your home’s plumbing system and shorten the life of your appliances. That’s why Thielmann Heating, Cooling, and Plumbing offers complete water conditioning services designed to help you protect your home. Our team will test your home’s water to help you make the best decision and find the right solution. After all, the cleaner your water, the better you feel when bathing, cleaning, and cooking.

Why Choose The Thielmann Group in Hartford?

The Thielmann Group is proud to be the trusted choice for reliable HVAC and indoor air quality solutions throughout Hartford and the surrounding area. When you choose our team, you can always count on us for:

Don’t compromise on comfort and safety in your home. Choose The Thielmann Group and experience superior service that ensures your home remains a haven of comfort and health.

Call (262) 299-6197 to schedule HVAC or IAQ services in Hartford today!

Read Reviews by Our Customers

Recent Jobs and Reviews in Hartford, WI

Job Locations and Reviews

Performed tune-up service on HVAC system with inspection of heat exchanger components and refrigeration lines. Noted minor corrosion on heat exchanger tubes and identified a frozen/iced condensate trap. Cleaned corroded areas, thawed and cleared blocked condensate drain assembly, and verified proper system operation after service. System now functioning within normal parameters.
Performed tune-up service on HVAC system with inspection of heat exchanger components and refrigeration lines. Noted minor corrosion on heat exchanger tubes and identified a frozen/iced condensate trap. Cleaned corroded areas, thawed and cleared blocked condensate drain assembly, and verified proper system operation after service. System now functioning within normal parameters.
Makinze C.
Makinze C. Checked in
Performed tune-up service on HVAC system with inspection of heat exchanger components and refrigeration lines. Noted minor corrosion on heat exchanger tubes and identified a frozen/iced condensate trap. Cleaned corroded areas, thawed and cleared blocked condensate drain assembly, and verified proper system operation after service. System now functioning within normal parameters.
HARTFORD, WI 53027
Hartford, WI - Responded to no heat call for Goodman furnace installed in basement. Performed diagnostic inspection revealing issues with exhaust venting system. Adjusted PVC pipe connections to ensure proper ventilation, checked electrical connections, and restored system functionality. Confirmed proper operation before completing service.
Nicholas H.
Nicholas H. Checked in
Responded to no heat call for Goodman furnace installed in basement. Performed diagnostic inspection revealing issues with exhaust venting system. Adjusted PVC pipe connections to ensure proper ventilation, checked electrical connections, and restored system functionality. Confirmed proper operation before completing service.
Hartford, WI 53027
Hartford, WI - Inspected HVAC system with focus on blower assembly. Identified motor with blue dot marker requiring attention. Examined connections including wiring (green, yellow) and black pipes/tubing. Verified proper mounting of components on metal frame and checked security of brackets and fasteners. No operational issues detected during inspection.
Nicholas H.
Nicholas H. Checked in
Inspected HVAC system with focus on blower assembly. Identified motor with blue dot marker requiring attention. Examined connections including wiring (green, yellow) and black pipes/tubing. Verified proper mounting of components on metal frame and checked security of brackets and fasteners. No operational issues detected during inspection.
Hartford, WI 53027
Conducted comprehensive gas pressure test on residential plumbing system. Inspected metal ductwork connections and copper gas lines for potential leaks. Located and sealed minor leak at copper pipe fitting near ductwork junction, and verified proper operation of PVC venting system. Final pressure test confirmed system integrity with no remaining leaks present.
Conducted comprehensive gas pressure test on residential plumbing system. Inspected metal ductwork connections and copper gas lines for potential leaks. Located and sealed minor leak at copper pipe fitting near ductwork junction, and verified proper operation of PVC venting system. Final pressure test confirmed system integrity with no remaining leaks present.
Kyle L.
Kyle L. Checked in
Conducted comprehensive gas pressure test on residential plumbing system. Inspected metal ductwork connections and copper gas lines for potential leaks. Located and sealed minor leak at copper pipe fitting near ductwork junction, and verified proper operation of PVC venting system. Final pressure test confirmed system integrity with no remaining leaks present.
Hartford, WI 53027
Conducted comprehensive HVAC tune-up inspection on unit greater than 10 years old. Inspected basement infrastructure including ductwork, PVC piping, and electrical connections. Verified proper leveling of equipment components using precision level tool, ensuring optimal system operation and efficiency.
Conducted comprehensive HVAC tune-up inspection on unit greater than 10 years old. Inspected basement infrastructure including ductwork, PVC piping, and electrical connections. Verified proper leveling of equipment components using precision level tool, ensuring optimal system operation and efficiency.
Nick K.
Nick K. Checked in
Conducted comprehensive HVAC tune-up inspection on unit greater than 10 years old. Inspected basement infrastructure including ductwork, PVC piping, and electrical connections. Verified proper leveling of equipment components using precision level tool, ensuring optimal system operation and efficiency.
Hartford, WI 53027
Performed preventative maintenance tune-up on HVAC system. Opened access panel to inspect electrical connections and wiring integrity across all components. Verified level installation of unit with bubble level tool to ensure proper operation and drainage.
Performed preventative maintenance tune-up on HVAC system. Opened access panel to inspect electrical connections and wiring integrity across all components. Verified level installation of unit with bubble level tool to ensure proper operation and drainage.
Nick K.
Nick K. Checked in
Performed preventative maintenance tune-up on HVAC system. Opened access panel to inspect electrical connections and wiring integrity across all components. Verified level installation of unit with bubble level tool to ensure proper operation and drainage.
Hartford, WI 53027
Conducted preventive tune-up on HVAC system. Verified level installation of equipment using precision level tool and inspected plumbing connections in basement ceiling area, including PVC drain lines and associated ductwork. All components operating within normal parameters.
Conducted preventive tune-up on HVAC system. Verified level installation of equipment using precision level tool and inspected plumbing connections in basement ceiling area, including PVC drain lines and associated ductwork. All components operating within normal parameters.
Nick K.
Nick K. Checked in
Conducted preventive tune-up on HVAC system. Verified level installation of equipment using precision level tool and inspected plumbing connections in basement ceiling area, including PVC drain lines and associated ductwork. All components operating within normal parameters.
Hartford, WI 53027
Hartford, WI - Performed interior inspection of furnace unit, removed access panel and examined key components including motor, electrical connections, and blower assembly. Visual inspection revealed dust accumulation on internal components, suggesting routine maintenance was required. Cleaned accessible components and verified proper electrical connections among the colored wiring (white, orange, blue, and black) to ensure optimal system operation.
Nick K.
Nick K. Checked in
Performed interior inspection of furnace unit, removed access panel and examined key components including motor, electrical connections, and blower assembly. Visual inspection revealed dust accumulation on internal components, suggesting routine maintenance was required. Cleaned accessible components and verified proper electrical connections among the colored wiring (white, orange, blue, and black) to ensure optimal system operation.
Hartford, WI 53027
Conducted inspection of existing HVAC system in basement utility room, including furnace unit with vertical configuration and adjacent water heater. Examined plumbing infrastructure consisting of PVC drainage pipes and red supply lines mounted to ceiling joists, providing client with replacement options based on assessment findings.
Conducted inspection of existing HVAC system in basement utility room, including furnace unit with vertical configuration and adjacent water heater. Examined plumbing infrastructure consisting of PVC drainage pipes and red supply lines mounted to ceiling joists, providing client with replacement options based on assessment findings.
Bryan P.
Bryan P. Checked in
Conducted inspection of existing HVAC system in basement utility room, including furnace unit with vertical configuration and adjacent water heater. Examined plumbing infrastructure consisting of PVC drainage pipes and red supply lines mounted to ceiling joists, providing client with replacement options based on assessment findings.
Hartford, WI 53027
Completed prepaid maintenance service on residential HVAC system including Aprilaire humidifier in basement mechanical room. Performed visual inspection of furnace, air handler, ductwork connections, and refrigerant lines. Checked digital control panel functionality and system operation with diagnostic equipment to ensure all components operating within specifications.
Completed prepaid maintenance service on residential HVAC system including Aprilaire humidifier in basement mechanical room. Performed visual inspection of furnace, air handler, ductwork connections, and refrigerant lines. Checked digital control panel functionality and system operation with diagnostic equipment to ensure all components operating within specifications.
Nicholas H.
Nicholas H. Checked in
Completed prepaid maintenance service on residential HVAC system including Aprilaire humidifier in basement mechanical room. Performed visual inspection of furnace, air handler, ductwork connections, and refrigerant lines. Checked digital control panel functionality and system operation with diagnostic equipment to ensure all components operating within specifications.
Hartford, WI 53027
Performed scheduled maintenance on Lennox HVAC system including leveling of ductwork and inspection of control board circuitry. Verified proper connection of all control wiring terminals (white, yellow, blue, red, and black) and confirmed normal operation of digital display showing "0" reading. All flame sense components and drive mechanisms functioning correctly with no issues identified.
Performed scheduled maintenance on Lennox HVAC system including leveling of ductwork and inspection of control board circuitry. Verified proper connection of all control wiring terminals (white, yellow, blue, red, and black) and confirmed normal operation of digital display showing "0" reading. All flame sense components and drive mechanisms functioning correctly with no issues identified.
Nick K.
Nick K. Checked in
Performed scheduled maintenance on Lennox HVAC system including leveling of ductwork and inspection of control board circuitry. Verified proper connection of all control wiring terminals (white, yellow, blue, red, and black) and confirmed normal operation of digital display showing "0" reading. All flame sense components and drive mechanisms functioning correctly with no issues identified.
Hartford, WI 53027
Responded to a no-heat service call on an aging HVAC system (10+ years). Diagnosed failed blower motor as the cause of heating failure. Removed and replaced the blower motor assembly, rewired electrical connections to factory specifications, and verified proper system operation. System now functioning normally with restored heat output.
Responded to a no-heat service call on an aging HVAC system (10+ years). Diagnosed failed blower motor as the cause of heating failure. Removed and replaced the blower motor assembly, rewired electrical connections to factory specifications, and verified proper system operation. System now functioning normally with restored heat output.
Jacob A.
Jacob A. Checked in
Responded to a no-heat service call on an aging HVAC system (10+ years). Diagnosed failed blower motor as the cause of heating failure. Removed and replaced the blower motor assembly, rewired electrical connections to factory specifications, and verified proper system operation. System now functioning normally with restored heat output.
HARTFORD, WI 53027
Hartford, WI - Inspected attic HVAC ductwork system. Observed standard metal ducts with reflective insulation in good working condition, supported by structural beams. Noted some disturbed fiberglass insulation between floor joists requiring adjustment for optimal system efficiency.
Nicholas H.
Nicholas H. Checked in
Inspected attic HVAC ductwork system. Observed standard metal ducts with reflective insulation in good working condition, supported by structural beams. Noted some disturbed fiberglass insulation between floor joists requiring adjustment for optimal system efficiency.
Hartford, WI 53027
Conducted inspection of furnace unit located in basement utility area. Observed unit placement against unfinished wall with exposed wooden studs. Noted visible moisture staining on concrete floor surrounding equipment that requires monitoring. All connections and tubing appear intact with no immediate service requirements identified.
Conducted inspection of furnace unit located in basement utility area. Observed unit placement against unfinished wall with exposed wooden studs. Noted visible moisture staining on concrete floor surrounding equipment that requires monitoring. All connections and tubing appear intact with no immediate service requirements identified.
Nick K.
Nick K. Checked in
Conducted inspection of furnace unit located in basement utility area. Observed unit placement against unfinished wall with exposed wooden studs. Noted visible moisture staining on concrete floor surrounding equipment that requires monitoring. All connections and tubing appear intact with no immediate service requirements identified.
HARTFORD, WI 53027
Performed comprehensive tune-up service on basement HVAC system, inspecting all visible plumbing connections and drainage pipes. Examined ceiling-mounted ductwork, checked light fixture operation, and verified proper insulation around mechanical components.
Performed comprehensive tune-up service on basement HVAC system, inspecting all visible plumbing connections and drainage pipes. Examined ceiling-mounted ductwork, checked light fixture operation, and verified proper insulation around mechanical components.
Nick K.
Nick K. Checked in
Performed comprehensive tune-up service on basement HVAC system, inspecting all visible plumbing connections and drainage pipes. Examined ceiling-mounted ductwork, checked light fixture operation, and verified proper insulation around mechanical components.
Hartford, WI 53027
Conducted inspection of existing HVAC system requiring replacement. Documented water damage around floor drain in utility area indicating potential drainage issues. Observed exterior condenser unit properly winterized with protective plastic covering. Recommended complete system replacement to address water damage concerns and improve overall efficiency.
Conducted inspection of existing HVAC system requiring replacement. Documented water damage around floor drain in utility area indicating potential drainage issues. Observed exterior condenser unit properly winterized with protective plastic covering. Recommended complete system replacement to address water damage concerns and improve overall efficiency.
Bryan P.
Bryan P. Checked in
Conducted inspection of existing HVAC system requiring replacement. Documented water damage around floor drain in utility area indicating potential drainage issues. Observed exterior condenser unit properly winterized with protective plastic covering. Recommended complete system replacement to address water damage concerns and improve overall efficiency.
HARTFORD, WI 53027
Conducted inspection and maintenance on older model furnace in unfinished utility room. Tools and diagnostic equipment were used to assess system condition. Customer's unit will require follow-up service due to age-related wear observed on internal components.
Conducted inspection and maintenance on older model furnace in unfinished utility room. Tools and diagnostic equipment were used to assess system condition. Customer's unit will require follow-up service due to age-related wear observed on internal components.
Jacob A.
Jacob A. Checked in
Conducted inspection and maintenance on older model furnace in unfinished utility room. Tools and diagnostic equipment were used to assess system condition. Customer's unit will require follow-up service due to age-related wear observed on internal components.
HARTFORD, WI 53027
Performed comprehensive tune-up on residential HVAC system including inspection of internal components and electrical connections. Checked unit for proper leveling to ensure optimal operation. All systems verified to be functioning within normal parameters.
Performed comprehensive tune-up on residential HVAC system including inspection of internal components and electrical connections. Checked unit for proper leveling to ensure optimal operation. All systems verified to be functioning within normal parameters.
Nick K.
Nick K. Checked in
Performed comprehensive tune-up on residential HVAC system including inspection of internal components and electrical connections. Checked unit for proper leveling to ensure optimal operation. All systems verified to be functioning within normal parameters.
Hartford, WI 53027
Completed HVAC system tune-up including inspection of furnace interior components. Checked blower motor assembly, electrical connections, and drainage system. Verified system leveling to ensure proper operation and efficiency of the unit.
Completed HVAC system tune-up including inspection of furnace interior components. Checked blower motor assembly, electrical connections, and drainage system. Verified system leveling to ensure proper operation and efficiency of the unit.
Nick K.
Nick K. Checked in
Completed HVAC system tune-up including inspection of furnace interior components. Checked blower motor assembly, electrical connections, and drainage system. Verified system leveling to ensure proper operation and efficiency of the unit.
Hartford, WI 53027
Performed complete tune-up on HVAC system. Inspected interior components including wiring connections, copper lines, and drainage assembly. Confirmed unit is properly leveled using precision tools, ensuring optimal operation and efficiency.
Performed complete tune-up on HVAC system. Inspected interior components including wiring connections, copper lines, and drainage assembly. Confirmed unit is properly leveled using precision tools, ensuring optimal operation and efficiency.
Nick K.
Nick K. Checked in
Performed complete tune-up on HVAC system. Inspected interior components including wiring connections, copper lines, and drainage assembly. Confirmed unit is properly leveled using precision tools, ensuring optimal operation and efficiency.
Hartford, WI 53027

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.