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 comprehensive tune-up on the HVAC system, including inspection of internal components and wiring connections. Identified and cleaned water staining on floor beneath unit, likely from condensate drainage. All mechanical parts, fan assembly, and control boards were verified operational with no visible damage or irregularities.
Performed comprehensive tune-up on the HVAC system, including inspection of internal components and wiring connections. Identified and cleaned water staining on floor beneath unit, likely from condensate drainage. All mechanical parts, fan assembly, and control boards were verified operational with no visible damage or irregularities.
Nick K.
Nick K. Checked in
Performed comprehensive tune-up on the HVAC system, including inspection of internal components and wiring connections. Identified and cleaned water staining on floor beneath unit, likely from condensate drainage. All mechanical parts, fan assembly, and control boards were verified operational with no visible damage or irregularities.
Hartford, WI 53027
Hartford, WI - Performed comprehensive tune-up on residential furnace system located in basement. Inspected electrical connections, tested thermostat functionality, and examined heat exchanger for cracks or deterioration. Cleaned primary components, verified proper operation of blower motor, and confirmed adequate gas pressure and combustion. System is now operating within manufacturer specifications.
Jacob A.
Jacob A. Checked in
Performed comprehensive tune-up on residential furnace system located in basement. Inspected electrical connections, tested thermostat functionality, and examined heat exchanger for cracks or deterioration. Cleaned primary components, verified proper operation of blower motor, and confirmed adequate gas pressure and combustion. System is now operating within manufacturer specifications.
Hartford, WI 53027
Responded to install callback to investigate control system issue. Accessed HVAC unit and verified electronic control board is receiving power as evidenced by illuminated green LED indicator lights. All internal wiring connections were inspected and confirmed to be properly secured and functioning normally. System is now operating to manufacturer specifications.
Responded to install callback to investigate control system issue. Accessed HVAC unit and verified electronic control board is receiving power as evidenced by illuminated green LED indicator lights. All internal wiring connections were inspected and confirmed to be properly secured and functioning normally. System is now operating to manufacturer specifications.
Todd H.
Todd H. Checked in
Responded to install callback to investigate control system issue. Accessed HVAC unit and verified electronic control board is receiving power as evidenced by illuminated green LED indicator lights. All internal wiring connections were inspected and confirmed to be properly secured and functioning normally. System is now operating to manufacturer specifications.
Hartford, WI 53027
Diagnosed no-heat complaint on aging system using Fieldpiece manometer, which confirmed low pressure readings of 35.1 across inducer assembly. Inspected blower compartment and found significant dust accumulation on fan motor assembly affecting airflow. Cleaned blower wheel, verified proper operation of safety switches, and restored heat function to manufacturer specifications.
Diagnosed no-heat complaint on aging system using Fieldpiece manometer, which confirmed low pressure readings of 35.1 across inducer assembly. Inspected blower compartment and found significant dust accumulation on fan motor assembly affecting airflow. Cleaned blower wheel, verified proper operation of safety switches, and restored heat function to manufacturer specifications.
Nick K.
Nick K. Checked in
Diagnosed no-heat complaint on aging system using Fieldpiece manometer, which confirmed low pressure readings of 35.1 across inducer assembly. Inspected blower compartment and found significant dust accumulation on fan motor assembly affecting airflow. Cleaned blower wheel, verified proper operation of safety switches, and restored heat function to manufacturer specifications.
Hartford, WI 53027
Completed plumbing repair in crawlspace/basement area involving inspection and potential replacement of PVC and copper pipe components. Service included maintenance of connections at valve junction points where the supply system interfaces with drainage components within the structural framework.
Completed plumbing repair in crawlspace/basement area involving inspection and potential replacement of PVC and copper pipe components. Service included maintenance of connections at valve junction points where the supply system interfaces with drainage components within the structural framework.
Kyle L.
Kyle L. Checked in
Completed plumbing repair in crawlspace/basement area involving inspection and potential replacement of PVC and copper pipe components. Service included maintenance of connections at valve junction points where the supply system interfaces with drainage components within the structural framework.
Hartford, WI 53027
Performed comprehensive tune-up on residential furnace system including inspection of internal components, electrical connections, and control board. Removed front panel to access and clean interior machinery, verified proper wiring configuration, and ensured adequate insulation around adjacent ductwork. System was tested and confirmed to be operating within manufacturer specifications.
Performed comprehensive tune-up on residential furnace system including inspection of internal components, electrical connections, and control board. Removed front panel to access and clean interior machinery, verified proper wiring configuration, and ensured adequate insulation around adjacent ductwork. System was tested and confirmed to be operating within manufacturer specifications.
Nicholas H.
Nicholas H. Checked in
Performed comprehensive tune-up on residential furnace system including inspection of internal components, electrical connections, and control board. Removed front panel to access and clean interior machinery, verified proper wiring configuration, and ensured adequate insulation around adjacent ductwork. System was tested and confirmed to be operating within manufacturer specifications.
Hartford, WI 53027
Performed routine maintenance tune-up on Goodman furnace system. Conducted thorough inspection of internal components including motor assembly, wiring connections, and control board - all components found in normal working condition. Examined installation integrity of PVC venting system and checked ductwork throughout utility area, confirming proper airflow and ventilation.
Performed routine maintenance tune-up on Goodman furnace system. Conducted thorough inspection of internal components including motor assembly, wiring connections, and control board - all components found in normal working condition. Examined installation integrity of PVC venting system and checked ductwork throughout utility area, confirming proper airflow and ventilation.
Nick K.
Nick K. Checked in
Performed routine maintenance tune-up on Goodman furnace system. Conducted thorough inspection of internal components including motor assembly, wiring connections, and control board - all components found in normal working condition. Examined installation integrity of PVC venting system and checked ductwork throughout utility area, confirming proper airflow and ventilation.
Hartford, WI 53027
Successfully installed a new Lennox furnace in the utility room, replacing the previous unit. Completed installation of PVC exhaust venting system with appropriate elbow joints for proper ventilation. System was tested and confirmed to be functioning according to manufacturer specifications.
Successfully installed a new Lennox furnace in the utility room, replacing the previous unit. Completed installation of PVC exhaust venting system with appropriate elbow joints for proper ventilation. System was tested and confirmed to be functioning according to manufacturer specifications.
Benjamin G.
Benjamin G. Checked in
Successfully installed a new Lennox furnace in the utility room, replacing the previous unit. Completed installation of PVC exhaust venting system with appropriate elbow joints for proper ventilation. System was tested and confirmed to be functioning according to manufacturer specifications.
HARTFORD, WI 53027
Hartford, WI - Performed routine inspection and maintenance service on Bryant residential furnace. Examined ventilation infrastructure including PVC pipes and metal ductwork connections, confirming proper installation and system functionality. Unit appears to be operating normally with no immediate concerns identified.
Nicholas H.
Nicholas H. Checked in
Performed routine inspection and maintenance service on Bryant residential furnace. Examined ventilation infrastructure including PVC pipes and metal ductwork connections, confirming proper installation and system functionality. Unit appears to be operating normally with no immediate concerns identified.
Hartford, WI 53027
Performed assessment of existing HVAC system and proposed replacement of outdated Lennox furnace unit. Current installation includes standard sheet metal ductwork with diamond-shaped transition piece and PVC ventilation pipes. Recommended new high-efficiency system with proper connections to existing utility infrastructure in basement mechanical area.
Performed assessment of existing HVAC system and proposed replacement of outdated Lennox furnace unit. Current installation includes standard sheet metal ductwork with diamond-shaped transition piece and PVC ventilation pipes. Recommended new high-efficiency system with proper connections to existing utility infrastructure in basement mechanical area.
Jason G.
Jason G. Checked in
Performed assessment of existing HVAC system and proposed replacement of outdated Lennox furnace unit. Current installation includes standard sheet metal ductwork with diamond-shaped transition piece and PVC ventilation pipes. Recommended new high-efficiency system with proper connections to existing utility infrastructure in basement mechanical area.
Hartford, WI 53027
Completed Honeywell Home furnace installation with proper pressure testing using Klein Tools ET100 digital pressure meter (confirmed reading of 1.78). Installation included proper connection of blower motor assembly, electrical wiring, and PVC ventilation system. Final diagnostic checks confirmed all systems functioning within manufacturer specifications.
Completed Honeywell Home furnace installation with proper pressure testing using Klein Tools ET100 digital pressure meter (confirmed reading of 1.78). Installation included proper connection of blower motor assembly, electrical wiring, and PVC ventilation system. Final diagnostic checks confirmed all systems functioning within manufacturer specifications.
Hayden L.
Hayden L. Checked in
Completed Honeywell Home furnace installation with proper pressure testing using Klein Tools ET100 digital pressure meter (confirmed reading of 1.78). Installation included proper connection of blower motor assembly, electrical wiring, and PVC ventilation system. Final diagnostic checks confirmed all systems functioning within manufacturer specifications.
Hartford, WI 53027
Hartford, WI - Performed routine HVAC tune-up service. Inspected exposed PVC drain lines and copper refrigerant lines in basement mechanical area, confirming proper installation and support. Verified all shut-off valves were functional with no signs of leakage at connections or mounting points.
Nicholas H.
Nicholas H. Checked in
Performed routine HVAC tune-up service. Inspected exposed PVC drain lines and copper refrigerant lines in basement mechanical area, confirming proper installation and support. Verified all shut-off valves were functional with no signs of leakage at connections or mounting points.
Hartford, WI 53027
Performed comprehensive furnace tune-up which included removing access panel for full component inspection. Conducted electrical testing with clamp meter to verify proper voltage and amperage readings on control board and wiring connections. Measured gas pressure using digital manometer, confirming readings of 3.50/3.45 inWC, which are within manufacturer specifications for this unit. All diagnostic tests indicate system is operating correctly with no issues detected.
Performed comprehensive furnace tune-up which included removing access panel for full component inspection. Conducted electrical testing with clamp meter to verify proper voltage and amperage readings on control board and wiring connections. Measured gas pressure using digital manometer, confirming readings of 3.50/3.45 inWC, which are within manufacturer specifications for this unit. All diagnostic tests indicate system is operating correctly with no issues detected.
Nick K.
Nick K. Checked in
Performed comprehensive furnace tune-up which included removing access panel for full component inspection. Conducted electrical testing with clamp meter to verify proper voltage and amperage readings on control board and wiring connections. Measured gas pressure using digital manometer, confirming readings of 3.50/3.45 inWC, which are within manufacturer specifications for this unit. All diagnostic tests indicate system is operating correctly with no issues detected.
Hartford, WI 53027
Conducted comprehensive HVAC system tune-up in unfinished basement area. Verified proper leveling and alignment of air handler unit, ensuring optimal operational stability. Inspected all ductwork connections, PVC drain lines, and trunk line distribution system for proper installation and functionality.
Conducted comprehensive HVAC system tune-up in unfinished basement area. Verified proper leveling and alignment of air handler unit, ensuring optimal operational stability. Inspected all ductwork connections, PVC drain lines, and trunk line distribution system for proper installation and functionality.
Nick K.
Nick K. Checked in
Conducted comprehensive HVAC system tune-up in unfinished basement area. Verified proper leveling and alignment of air handler unit, ensuring optimal operational stability. Inspected all ductwork connections, PVC drain lines, and trunk line distribution system for proper installation and functionality.
Hartford, WI 53027
HARTFORD, WI - Diagnosed faulty motor in HVAC system causing no-heat condition. Replaced blower motor assembly, reconnected wiring harness (orange, yellow, and green wires), and verified proper operation. System now functioning within normal parameters with restored heat output.
Nicholas H.
Nicholas H. Checked in
Diagnosed faulty motor in HVAC system causing no-heat condition. Replaced blower motor assembly, reconnected wiring harness (orange, yellow, and green wires), and verified proper operation. System now functioning within normal parameters with restored heat output.
HARTFORD, WI 53027
Conducted an assessment of an aging Carrier WeatherMaker 9200 furnace system in the basement utility room. The unit was opened for inspection, revealing potential issues with internal components including fan motor, electrical wiring, and control board. Recommended complete system replacement due to age and efficiency concerns.
Conducted an assessment of an aging Carrier WeatherMaker 9200 furnace system in the basement utility room. The unit was opened for inspection, revealing potential issues with internal components including fan motor, electrical wiring, and control board. Recommended complete system replacement due to age and efficiency concerns.
Steven S.
Steven S. Checked in
Conducted an assessment of an aging Carrier WeatherMaker 9200 furnace system in the basement utility room. The unit was opened for inspection, revealing potential issues with internal components including fan motor, electrical wiring, and control board. Recommended complete system replacement due to age and efficiency concerns.
HARTFORD, WI 53027
Completed comprehensive annual tune-up on customer's furnace. Removed front panels to access and inspect internal components, including blower motor, control board, and electrical connections. Cleaned dust accumulation from key components and verified proper operation of the system. All connections are secure and system is functioning within normal parameters.
Completed comprehensive annual tune-up on customer's furnace. Removed front panels to access and inspect internal components, including blower motor, control board, and electrical connections. Cleaned dust accumulation from key components and verified proper operation of the system. All connections are secure and system is functioning within normal parameters.
Nicholas H.
Nicholas H. Checked in
Completed comprehensive annual tune-up on customer's furnace. Removed front panels to access and inspect internal components, including blower motor, control board, and electrical connections. Cleaned dust accumulation from key components and verified proper operation of the system. All connections are secure and system is functioning within normal parameters.
HARTFORD, WI 53027
Performed warranty diagnostic inspection on furnace heating system. Visual examination of burner assembly confirmed proper flame pattern and combustion. Inspected gas valve assembly and associated connections, verifying all electrical components and wiring were in good working condition with no signs of deterioration.
Performed warranty diagnostic inspection on furnace heating system. Visual examination of burner assembly confirmed proper flame pattern and combustion. Inspected gas valve assembly and associated connections, verifying all electrical components and wiring were in good working condition with no signs of deterioration.
Nick K.
Nick K. Checked in
Performed warranty diagnostic inspection on furnace heating system. Visual examination of burner assembly confirmed proper flame pattern and combustion. Inspected gas valve assembly and associated connections, verifying all electrical components and wiring were in good working condition with no signs of deterioration.
Hartford, WI 53027
Hartford, WI - Performed comprehensive tune-up on residential furnace system. Inspected internal components including control board, blower assembly and wiring connections for proper operation. Cleaned interior components and verified proper system function after service.
Jacob A.
Jacob A. Checked in
Performed comprehensive tune-up on residential furnace system. Inspected internal components including control board, blower assembly and wiring connections for proper operation. Cleaned interior components and verified proper system function after service.
Hartford, WI 53027
Hartford, WI - Performed diagnostic testing on a non-operational furnace using multimeter to identify electrical fault. Located failed control board component causing no-heat condition. Replaced faulty control board, verified proper voltage at all terminals, and confirmed successful system ignition. Unit now heating correctly with normal operation.
Nicholas H.
Nicholas H. Checked in
Performed diagnostic testing on a non-operational furnace using multimeter to identify electrical fault. Located failed control board component causing no-heat condition. Replaced faulty control board, verified proper voltage at all terminals, and confirmed successful system ignition. Unit now heating correctly with normal operation.
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.