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

Hartford, WI - Performed routine maintenance visit on natural gas HVAC system. Conducted combustion analysis using Bacharach analyzer, confirming proper operation with excellent efficiency readings of 97.4%, O₂ at 8.0%, CO₂ at 7.3%, and safe CO levels at 26 ppm. All parameters within manufacturer specifications.
Nicholas H.
Nicholas H. Checked in
Performed routine maintenance visit on natural gas HVAC system. Conducted combustion analysis using Bacharach analyzer, confirming proper operation with excellent efficiency readings of 97.4%, O₂ at 8.0%, CO₂ at 7.3%, and safe CO levels at 26 ppm. All parameters within manufacturer specifications.
Hartford, WI 53027
Performed routine HVAC system tune-up including inspection of existing ductwork and ventilation components. Checked PVC drainage pipes for proper installation and functionality. Examined furnace unit for operational efficiency and inspected nearby plumbing components, noting some rust/corrosion on metal surfaces that should be monitored but does not currently affect system performance.
Performed routine HVAC system tune-up including inspection of existing ductwork and ventilation components. Checked PVC drainage pipes for proper installation and functionality. Examined furnace unit for operational efficiency and inspected nearby plumbing components, noting some rust/corrosion on metal surfaces that should be monitored but does not currently affect system performance.
Nick K.
Nick K. Checked in
Performed routine HVAC system tune-up including inspection of existing ductwork and ventilation components. Checked PVC drainage pipes for proper installation and functionality. Examined furnace unit for operational efficiency and inspected nearby plumbing components, noting some rust/corrosion on metal surfaces that should be monitored but does not currently affect system performance.
Hartford, WI 53027
Hartford, WI - Installed new tanked water heater in basement utility area alongside existing water filtration/softening system. Properly connected copper pipes, installed metal ventilation pipe to ceiling, and verified all valves and connections were secure and operational. System was tested and confirmed to be functioning correctly.
Hayden L.
Hayden L. Checked in
Installed new tanked water heater in basement utility area alongside existing water filtration/softening system. Properly connected copper pipes, installed metal ventilation pipe to ceiling, and verified all valves and connections were secure and operational. System was tested and confirmed to be functioning correctly.
Hartford, WI 53027
Performed comprehensive tune-up service on Lennox furnace system with integrated PureAir Air Purification component. Inspection revealed all internal electrical components, wiring connections, and mechanical parts in normal working condition with no signs of damage or deterioration. Verified proper operation of drainage system, including PVC piping and connections, and confirmed appropriate airflow through ductwork.
Performed comprehensive tune-up service on Lennox furnace system with integrated PureAir Air Purification component. Inspection revealed all internal electrical components, wiring connections, and mechanical parts in normal working condition with no signs of damage or deterioration. Verified proper operation of drainage system, including PVC piping and connections, and confirmed appropriate airflow through ductwork.
Nick K.
Nick K. Checked in
Performed comprehensive tune-up service on Lennox furnace system with integrated PureAir Air Purification component. Inspection revealed all internal electrical components, wiring connections, and mechanical parts in normal working condition with no signs of damage or deterioration. Verified proper operation of drainage system, including PVC piping and connections, and confirmed appropriate airflow through ductwork.
Hartford, WI 53027
Responded to no-heat service call for aging Goodman furnace. Upon inspection, identified failed blower motor and worn wiring as root cause of heating failure. Replaced motor assembly, reconnected electrical components, and performed comprehensive system test to confirm proper operation and restore heat to residence.
Responded to no-heat service call for aging Goodman furnace. Upon inspection, identified failed blower motor and worn wiring as root cause of heating failure. Replaced motor assembly, reconnected electrical components, and performed comprehensive system test to confirm proper operation and restore heat to residence.
Nicholas H.
Nicholas H. Checked in
Responded to no-heat service call for aging Goodman furnace. Upon inspection, identified failed blower motor and worn wiring as root cause of heating failure. Replaced motor assembly, reconnected electrical components, and performed comprehensive system test to confirm proper operation and restore heat to residence.
Hartford, WI 53027
Successfully completed installation of a new residential HVAC system, including placement of the outdoor condenser unit on a level pad adjacent to the home's exterior. System installation included proper electrical connections with protective conduit and appropriate drainage setup through the concrete floor to ensure proper condensate removal.
Successfully completed installation of a new residential HVAC system, including placement of the outdoor condenser unit on a level pad adjacent to the home's exterior. System installation included proper electrical connections with protective conduit and appropriate drainage setup through the concrete floor to ensure proper condensate removal.
Branden B.
Branden B. Checked in
Successfully completed installation of a new residential HVAC system, including placement of the outdoor condenser unit on a level pad adjacent to the home's exterior. System installation included proper electrical connections with protective conduit and appropriate drainage setup through the concrete floor to ensure proper condensate removal.
HARTFORD, WI 53027
Hartford, WI - Successfully installed a Reliance tanked water heater in utility room. Connected unit to existing plumbing with copper fittings and verified proper connection to ventilation system via PVC piping. Installation completed with all required valves and safety features in place according to manufacturer specifications.
Kyle L.
Kyle L. Checked in
Successfully installed a Reliance tanked water heater in utility room. Connected unit to existing plumbing with copper fittings and verified proper connection to ventilation system via PVC piping. Installation completed with all required valves and safety features in place according to manufacturer specifications.
Hartford, WI 53027
Completed routine tune-up of HVAC system, inspecting and documenting PVC condensate drainage components for proper installation and alignment. Verified equipment identification and serial numbers on system components to ensure accurate service documentation.
Completed routine tune-up of HVAC system, inspecting and documenting PVC condensate drainage components for proper installation and alignment. Verified equipment identification and serial numbers on system components to ensure accurate service documentation.
Nick K.
Nick K. Checked in
Completed routine tune-up of HVAC system, inspecting and documenting PVC condensate drainage components for proper installation and alignment. Verified equipment identification and serial numbers on system components to ensure accurate service documentation.
Hartford, WI 53027
Performed routine maintenance tune-up on residential HVAC furnace system. Inspected internal components including wiring, valves, and mechanical parts with front panel removed. Checked PVC venting and connected ductwork for proper operation and airflow.
Performed routine maintenance tune-up on residential HVAC furnace system. Inspected internal components including wiring, valves, and mechanical parts with front panel removed. Checked PVC venting and connected ductwork for proper operation and airflow.
Nicholas H.
Nicholas H. Checked in
Performed routine maintenance tune-up on residential HVAC furnace system. Inspected internal components including wiring, valves, and mechanical parts with front panel removed. Checked PVC venting and connected ductwork for proper operation and airflow.
Hartford, WI 53027
Hartford, WI - Conducted standard HVAC system tune-up service and performed equipment leveling check using spirit level. Unit was found to be properly installed with appropriate pitch and balance. No operational issues detected during inspection.
Nick K.
Nick K. Checked in
Conducted standard HVAC system tune-up service and performed equipment leveling check using spirit level. Unit was found to be properly installed with appropriate pitch and balance. No operational issues detected during inspection.
Hartford, WI 53027
Hartford, WI - Responded to service callback for Lennox furnace system. Inspected unit, verified proper installation of exhaust and intake venting, and checked connection components. Unit is functioning within normal parameters with no operational issues detected.
Nick K.
Nick K. Checked in
Responded to service callback for Lennox furnace system. Inspected unit, verified proper installation of exhaust and intake venting, and checked connection components. Unit is functioning within normal parameters with no operational issues detected.
Hartford, WI 53027
Hartford, WI - Inspected residential mechanical room containing plumbing infrastructure and water heater system. Verified proper installation of PVC drainage/ventilation pipes and examined water heater with metallic exhaust vent featuring silver insulation wrapping. No immediate issues identified in the visible components of the system.
Nick K.
Nick K. Checked in
Inspected residential mechanical room containing plumbing infrastructure and water heater system. Verified proper installation of PVC drainage/ventilation pipes and examined water heater with metallic exhaust vent featuring silver insulation wrapping. No immediate issues identified in the visible components of the system.
Hartford, WI 53027
Performed routine tune-up on residential HVAC system, including inspection of the furnace unit and associated Honeywell control components. Examined PVC ventilation piping and connections for proper installation and functionality. Confirmed all electrical wiring connections were secure and operational. System is now functioning within normal parameters.
Performed routine tune-up on residential HVAC system, including inspection of the furnace unit and associated Honeywell control components. Examined PVC ventilation piping and connections for proper installation and functionality. Confirmed all electrical wiring connections were secure and operational. System is now functioning within normal parameters.
Nicholas H.
Nicholas H. Checked in
Performed routine tune-up on residential HVAC system, including inspection of the furnace unit and associated Honeywell control components. Examined PVC ventilation piping and connections for proper installation and functionality. Confirmed all electrical wiring connections were secure and operational. System is now functioning within normal parameters.
Hartford, WI 53027
Hartford, WI - Conducted inspection of existing Bradford White water heater installation in basement utility area. System appears properly installed with insulated piping, appropriate flexible hose connections, and electrical connections. No immediate issues observed with the unit or its connections; installation appears well-organized with proper insulation to prevent heat loss.
Jason G.
Jason G. Checked in
Conducted inspection of existing Bradford White water heater installation in basement utility area. System appears properly installed with insulated piping, appropriate flexible hose connections, and electrical connections. No immediate issues observed with the unit or its connections; installation appears well-organized with proper insulation to prevent heat loss.
Hartford, WI 53027
Performed comprehensive assessment of existing residential furnace system located in basement utility area. Documented current installation configuration including ductwork connections, PVC intake/exhaust venting, and electrical connectivity. Noted concrete floor condition showing cracks with drain access point and existing electrical conduit placement for replacement planning purposes.
Performed comprehensive assessment of existing residential furnace system located in basement utility area. Documented current installation configuration including ductwork connections, PVC intake/exhaust venting, and electrical connectivity. Noted concrete floor condition showing cracks with drain access point and existing electrical conduit placement for replacement planning purposes.
Bryan P.
Bryan P. Checked in
Performed comprehensive assessment of existing residential furnace system located in basement utility area. Documented current installation configuration including ductwork connections, PVC intake/exhaust venting, and electrical connectivity. Noted concrete floor condition showing cracks with drain access point and existing electrical conduit placement for replacement planning purposes.
HARTFORD, WI 53027
Completed comprehensive tune-up of basement HVAC system including inspection of furnace internal components (motor, wiring, mechanical parts) and associated ductwork. Examined condensate line with pink/magenta valve and verified proper connection to main plumbing system. Inspected ceiling infrastructure including proper mounting of PVC pipes and metal ducts to ensure system integrity and optimal performance.
Completed comprehensive tune-up of basement HVAC system including inspection of furnace internal components (motor, wiring, mechanical parts) and associated ductwork. Examined condensate line with pink/magenta valve and verified proper connection to main plumbing system. Inspected ceiling infrastructure including proper mounting of PVC pipes and metal ducts to ensure system integrity and optimal performance.
Nicholas H.
Nicholas H. Checked in
Completed comprehensive tune-up of basement HVAC system including inspection of furnace internal components (motor, wiring, mechanical parts) and associated ductwork. Examined condensate line with pink/magenta valve and verified proper connection to main plumbing system. Inspected ceiling infrastructure including proper mounting of PVC pipes and metal ducts to ensure system integrity and optimal performance.
Hartford, WI 53027
Performed comprehensive tune-up on residential HVAC system, including inspection of furnace cabinet components, belt drive, motor, and ventilation connections. Checked condensate drainage system with particular attention to PVC piping network and drain line functionality. All components were verified to be in normal working condition with no signs of damage or deterioration.
Performed comprehensive tune-up on residential HVAC system, including inspection of furnace cabinet components, belt drive, motor, and ventilation connections. Checked condensate drainage system with particular attention to PVC piping network and drain line functionality. All components were verified to be in normal working condition with no signs of damage or deterioration.
Nick K.
Nick K. Checked in
Performed comprehensive tune-up on residential HVAC system, including inspection of furnace cabinet components, belt drive, motor, and ventilation connections. Checked condensate drainage system with particular attention to PVC piping network and drain line functionality. All components were verified to be in normal working condition with no signs of damage or deterioration.
Hartford, WI 53027
Hartford, WI - Inspected customer's plumbing infrastructure in utility area, focusing on two PVC pipes with GelLine branding connected to what appears to be an HVAC or ventilation system. Completed standard tune-up procedures on equipment, ensuring proper connections and functionality of all components.
Nick K.
Nick K. Checked in
Inspected customer's plumbing infrastructure in utility area, focusing on two PVC pipes with GelLine branding connected to what appears to be an HVAC or ventilation system. Completed standard tune-up procedures on equipment, ensuring proper connections and functionality of all components.
Hartford, WI 53027
Performed comprehensive tune-up service on residential gas furnace installed in basement. Conducted thorough inspection of all internal components including control board, wiring connections, and exhaust system. Checked PVC venting pipes for proper installation and potential obstructions. Noted possible previous water leak near unit base; recommended monitoring for recurrence. All systems tested operational with no immediate concerns identified.
Performed comprehensive tune-up service on residential gas furnace installed in basement. Conducted thorough inspection of all internal components including control board, wiring connections, and exhaust system. Checked PVC venting pipes for proper installation and potential obstructions. Noted possible previous water leak near unit base; recommended monitoring for recurrence. All systems tested operational with no immediate concerns identified.
Nick K.
Nick K. Checked in
Performed comprehensive tune-up service on residential gas furnace installed in basement. Conducted thorough inspection of all internal components including control board, wiring connections, and exhaust system. Checked PVC venting pipes for proper installation and potential obstructions. Noted possible previous water leak near unit base; recommended monitoring for recurrence. All systems tested operational with no immediate concerns identified.
Hartford, WI 53027
Performed diagnostic inspection on ceiling-mounted Lennox HVAC unit in basement showing no heat operation. Unit appears to be 10+ years old with deteriorated components. Replaced faulty ignition assembly and cleaned flame sensor to restore proper heating function. System now operating within normal parameters with good heat output and proper cycling.
Performed diagnostic inspection on ceiling-mounted Lennox HVAC unit in basement showing no heat operation. Unit appears to be 10+ years old with deteriorated components. Replaced faulty ignition assembly and cleaned flame sensor to restore proper heating function. System now operating within normal parameters with good heat output and proper cycling.
Nicholas H.
Nicholas H. Checked in
Performed diagnostic inspection on ceiling-mounted Lennox HVAC unit in basement showing no heat operation. Unit appears to be 10+ years old with deteriorated components. Replaced faulty ignition assembly and cleaned flame sensor to restore proper heating function. System now operating within normal parameters with good heat output and proper cycling.
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.