Top 24/7 HVAC And Plumbing 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 comprehensive tune-up on residential furnace system, including thorough inspection of internal electronic components, circuit boards, and mechanical parts. Utilized diagnostic equipment to test electrical systems and verify proper functioning of all components. Ensured proper ventilation through PVC exhaust pipes and confirmed all connections were secure for optimal system performance.
Nicholas H.
Nicholas H. Checked in
Performed comprehensive tune-up on residential furnace system, including thorough inspection of internal electronic components, circuit boards, and mechanical parts. Utilized diagnostic equipment to test electrical systems and verify proper functioning of all components. Ensured proper ventilation through PVC exhaust pipes and confirmed all connections were secure for optimal system performance.
Hartford, WI 53027
Performed routine HVAC tune-up service including comprehensive pressure testing using dual port manometer. Readings of 35.7/34.7 inWC and 351/347 pascals were documented, confirming system is operating within manufacturer specifications. All pressure differentials were verified to be within acceptable parameters for optimal system performance.
Performed routine HVAC tune-up service including comprehensive pressure testing using dual port manometer. Readings of 35.7/34.7 inWC and 351/347 pascals were documented, confirming system is operating within manufacturer specifications. All pressure differentials were verified to be within acceptable parameters for optimal system performance.
Nick K.
Nick K. Checked in
Performed routine HVAC tune-up service including comprehensive pressure testing using dual port manometer. Readings of 35.7/34.7 inWC and 351/347 pascals were documented, confirming system is operating within manufacturer specifications. All pressure differentials were verified to be within acceptable parameters for optimal system performance.
Hartford, WI 53027
Performed comprehensive tune-up service on the air handler unit, inspecting the evaporator coil and copper refrigerant lines which were found to be in good condition with no signs of corrosion or leakage. Temperature measurements indicated proper system operation with supply air temperature at 116.5°F, confirming the heating cycle is functioning within normal parameters. All connections were verified secure and the system is operating efficiently.
Performed comprehensive tune-up service on the air handler unit, inspecting the evaporator coil and copper refrigerant lines which were found to be in good condition with no signs of corrosion or leakage. Temperature measurements indicated proper system operation with supply air temperature at 116.5°F, confirming the heating cycle is functioning within normal parameters. All connections were verified secure and the system is operating efficiently.
Nick K.
Nick K. Checked in
Performed comprehensive tune-up service on the air handler unit, inspecting the evaporator coil and copper refrigerant lines which were found to be in good condition with no signs of corrosion or leakage. Temperature measurements indicated proper system operation with supply air temperature at 116.5°F, confirming the heating cycle is functioning within normal parameters. All connections were verified secure and the system is operating efficiently.
HARTFORD, WI 53027
Completed tune-up service on HVAC system, verifying proper leveling of mounting bracket installation using built-in spirit level. Inspected plumbing connections including PVC, copper, and galvanized steel pipes, confirming all components were properly installed and functioning as designed.
Completed tune-up service on HVAC system, verifying proper leveling of mounting bracket installation using built-in spirit level. Inspected plumbing connections including PVC, copper, and galvanized steel pipes, confirming all components were properly installed and functioning as designed.
Nick K.
Nick K. Checked in
Completed tune-up service on HVAC system, verifying proper leveling of mounting bracket installation using built-in spirit level. Inspected plumbing connections including PVC, copper, and galvanized steel pipes, confirming all components were properly installed and functioning as designed.
Hartford, WI 53027
Diagnosed and repaired a no-heat condition on a residential boiler system less than 10 years old. Inspection revealed a faulty circulator pump and clogged condensate line causing system shutdown. Replaced circulator pump, cleaned condensate drain, and verified proper system operation with normal heating function restored.
Diagnosed and repaired a no-heat condition on a residential boiler system less than 10 years old. Inspection revealed a faulty circulator pump and clogged condensate line causing system shutdown. Replaced circulator pump, cleaned condensate drain, and verified proper system operation with normal heating function restored.
Nicholas H.
Nicholas H. Checked in
Diagnosed and repaired a no-heat condition on a residential boiler system less than 10 years old. Inspection revealed a faulty circulator pump and clogged condensate line causing system shutdown. Replaced circulator pump, cleaned condensate drain, and verified proper system operation with normal heating function restored.
Hartford, WI 53027
Performed diagnostic service on Armstrong furnace showing no heat operation. Removed access panel to inspect internal components including control board, gas valve assembly, and blower motor. Identified significant corrosion on electrical connections and wear on multiple components consistent with 10+ year old system. Cleaned electrical contacts, tested ignition sequence, and restored heating function. Recommended customer consider replacement options within next 1-2 heating seasons due to age-related component deterioration observed throughout system.
Performed diagnostic service on Armstrong furnace showing no heat operation. Removed access panel to inspect internal components including control board, gas valve assembly, and blower motor. Identified significant corrosion on electrical connections and wear on multiple components consistent with 10+ year old system. Cleaned electrical contacts, tested ignition sequence, and restored heating function. Recommended customer consider replacement options within next 1-2 heating seasons due to age-related component deterioration observed throughout system.
Nick K.
Nick K. Checked in
Performed diagnostic service on Armstrong furnace showing no heat operation. Removed access panel to inspect internal components including control board, gas valve assembly, and blower motor. Identified significant corrosion on electrical connections and wear on multiple components consistent with 10+ year old system. Cleaned electrical contacts, tested ignition sequence, and restored heating function. Recommended customer consider replacement options within next 1-2 heating seasons due to age-related component deterioration observed throughout system.
Hartford, WI 53027
Inspected Bryant furnace unit with front panel removed for comprehensive system evaluation. Observed exposed control board, internal wiring, and connected ductwork. Noted electrical wiring issue requiring attention where single black wire protrudes through floor with visible rust/corrosion around penetration point.
Inspected Bryant furnace unit with front panel removed for comprehensive system evaluation. Observed exposed control board, internal wiring, and connected ductwork. Noted electrical wiring issue requiring attention where single black wire protrudes through floor with visible rust/corrosion around penetration point.
Bryan P.
Bryan P. Checked in
Inspected Bryant furnace unit with front panel removed for comprehensive system evaluation. Observed exposed control board, internal wiring, and connected ductwork. Noted electrical wiring issue requiring attention where single black wire protrudes through floor with visible rust/corrosion around penetration point.
Hartford, WI 53027
Responded to no-heat call on newer furnace unit. Diagnosed issue with ignition sequence - observed flame rollout during startup. Removed access panel to inspect components, found inducer motor failing to maintain proper draft. Replaced draft inducer assembly and verified proper ignition sequence with sustained blue flame. System now operating within normal parameters with appropriate airflow and combustion.
Responded to no-heat call on newer furnace unit. Diagnosed issue with ignition sequence - observed flame rollout during startup. Removed access panel to inspect components, found inducer motor failing to maintain proper draft. Replaced draft inducer assembly and verified proper ignition sequence with sustained blue flame. System now operating within normal parameters with appropriate airflow and combustion.
Nicholas H.
Nicholas H. Checked in
Responded to no-heat call on newer furnace unit. Diagnosed issue with ignition sequence - observed flame rollout during startup. Removed access panel to inspect components, found inducer motor failing to maintain proper draft. Replaced draft inducer assembly and verified proper ignition sequence with sustained blue flame. System now operating within normal parameters with appropriate airflow and combustion.
Hartford, WI 53027
Diagnosed electrical issues on aging furnace with clamp meter showing 122.3V. Accessed internal components by removing panels to inspect control board, blower motor assembly, and wiring connections. Identified and repaired faulty wiring in the control circuitry to restore proper heating function.
Diagnosed electrical issues on aging furnace with clamp meter showing 122.3V. Accessed internal components by removing panels to inspect control board, blower motor assembly, and wiring connections. Identified and repaired faulty wiring in the control circuitry to restore proper heating function.
Nick K.
Nick K. Checked in
Diagnosed electrical issues on aging furnace with clamp meter showing 122.3V. Accessed internal components by removing panels to inspect control board, blower motor assembly, and wiring connections. Identified and repaired faulty wiring in the control circuitry to restore proper heating function.
Hartford, WI 53027
Completed replacement of existing HVAC system with new equipment including outdoor condenser unit installed on concrete pad and indoor furnace with proper ductwork connections. Installation included all necessary refrigerant lines, electrical connections, PVC venting, and condensate drainage to ensure full system functionality and compliance with manufacturer specifications.
Completed replacement of existing HVAC system with new equipment including outdoor condenser unit installed on concrete pad and indoor furnace with proper ductwork connections. Installation included all necessary refrigerant lines, electrical connections, PVC venting, and condensate drainage to ensure full system functionality and compliance with manufacturer specifications.
Bryan P.
Bryan P. Checked in
Completed replacement of existing HVAC system with new equipment including outdoor condenser unit installed on concrete pad and indoor furnace with proper ductwork connections. Installation included all necessary refrigerant lines, electrical connections, PVC venting, and condensate drainage to ensure full system functionality and compliance with manufacturer specifications.
Hartford, WI 53027
Conducted comprehensive inspection of electrical panel and window installation in preparation for HVAC system replacement. Documented existing electrical infrastructure to ensure proper load capacity for new equipment. Evaluated window placement and structural elements in partially renovated space to determine optimal positioning of replacement HVAC components.
Conducted comprehensive inspection of electrical panel and window installation in preparation for HVAC system replacement. Documented existing electrical infrastructure to ensure proper load capacity for new equipment. Evaluated window placement and structural elements in partially renovated space to determine optimal positioning of replacement HVAC components.
Steven S.
Steven S. Checked in
Conducted comprehensive inspection of electrical panel and window installation in preparation for HVAC system replacement. Documented existing electrical infrastructure to ensure proper load capacity for new equipment. Evaluated window placement and structural elements in partially renovated space to determine optimal positioning of replacement HVAC components.
Hartford, WI 53027
Responded to a no-heat call for a Bryant heating system under 10 years old. Upon inspection, accessed the furnace's internal components and examined the blower motor assembly, control board, and wiring connections. Discovered faulty wiring in the motor circuit which was preventing proper operation. Repaired damaged connections and verified system operation before closing access panel.
Responded to a no-heat call for a Bryant heating system under 10 years old. Upon inspection, accessed the furnace's internal components and examined the blower motor assembly, control board, and wiring connections. Discovered faulty wiring in the motor circuit which was preventing proper operation. Repaired damaged connections and verified system operation before closing access panel.
Nick K.
Nick K. Checked in
Responded to a no-heat call for a Bryant heating system under 10 years old. Upon inspection, accessed the furnace's internal components and examined the blower motor assembly, control board, and wiring connections. Discovered faulty wiring in the motor circuit which was preventing proper operation. Repaired damaged connections and verified system operation before closing access panel.
Hartford, WI 53027
Performed inspection of GE electrical panel showing signs of age and wear. Panel has main breaker with handwritten circuit directory and visible wiring extending from top. Adjacent Lennox HVAC system was noted with insulated ductwork and associated piping. No electrical modifications were made at this time; assessment completed for future fixture and outlet installation planning.
Performed inspection of GE electrical panel showing signs of age and wear. Panel has main breaker with handwritten circuit directory and visible wiring extending from top. Adjacent Lennox HVAC system was noted with insulated ductwork and associated piping. No electrical modifications were made at this time; assessment completed for future fixture and outlet installation planning.
Jason G.
Jason G. Checked in
Performed inspection of GE electrical panel showing signs of age and wear. Panel has main breaker with handwritten circuit directory and visible wiring extending from top. Adjacent Lennox HVAC system was noted with insulated ductwork and associated piping. No electrical modifications were made at this time; assessment completed for future fixture and outlet installation planning.
Hartford, WI 53027
Hartford, WI - Performed diagnostic inspection on Goodman furnace with no-heat complaint. Found faulty flame sensor causing improper ignition sequence. Cleaned sensor contacts, tested system functionality through multiple heating cycles, and verified proper operation. Unit now functioning correctly with normal flame detection and consistent heat output.
Branden B.
Branden B. Checked in
Performed diagnostic inspection on Goodman furnace with no-heat complaint. Found faulty flame sensor causing improper ignition sequence. Cleaned sensor contacts, tested system functionality through multiple heating cycles, and verified proper operation. Unit now functioning correctly with normal flame detection and consistent heat output.
Hartford, WI 53027
Responded to no-heat call for relatively new furnace unit located in basement. Upon inspection, identified failed ignition sequence due to dirty flame sensor. Cleaned flame sensor contacts, verified proper ignition sequence, and tested system through complete heating cycle. Unit now operating at manufacturer specifications with proper flame detection and consistent heat output.
Responded to no-heat call for relatively new furnace unit located in basement. Upon inspection, identified failed ignition sequence due to dirty flame sensor. Cleaned flame sensor contacts, verified proper ignition sequence, and tested system through complete heating cycle. Unit now operating at manufacturer specifications with proper flame detection and consistent heat output.
Branden B.
Branden B. Checked in
Responded to no-heat call for relatively new furnace unit located in basement. Upon inspection, identified failed ignition sequence due to dirty flame sensor. Cleaned flame sensor contacts, verified proper ignition sequence, and tested system through complete heating cycle. Unit now operating at manufacturer specifications with proper flame detection and consistent heat output.
Hartford, WI 53027
Responded to customer's no-heat call for unit less than 10 years old. Upon inspection, found clogged air filter restricting proper airflow through the system. Removed and replaced filter, cleaned internal components, and verified proper ignition sequence. System now operating at optimal performance with restored heat output.
Responded to customer's no-heat call for unit less than 10 years old. Upon inspection, found clogged air filter restricting proper airflow through the system. Removed and replaced filter, cleaned internal components, and verified proper ignition sequence. System now operating at optimal performance with restored heat output.
Branden B.
Branden B. Checked in
Responded to customer's no-heat call for unit less than 10 years old. Upon inspection, found clogged air filter restricting proper airflow through the system. Removed and replaced filter, cleaned internal components, and verified proper ignition sequence. System now operating at optimal performance with restored heat output.
Hartford, WI 53027
Responded to a no-heat call for a relatively new furnace system. Upon inspection, discovered faulty pressure switch causing system failure. Replaced defective pressure switch, tested system operation through multiple heating cycles, and verified proper ignition sequence. Unit now functioning correctly with normal heat output.
Responded to a no-heat call for a relatively new furnace system. Upon inspection, discovered faulty pressure switch causing system failure. Replaced defective pressure switch, tested system operation through multiple heating cycles, and verified proper ignition sequence. Unit now functioning correctly with normal heat output.
Nicholas H.
Nicholas H. Checked in
Responded to a no-heat call for a relatively new furnace system. Upon inspection, discovered faulty pressure switch causing system failure. Replaced defective pressure switch, tested system operation through multiple heating cycles, and verified proper ignition sequence. Unit now functioning correctly with normal heat output.
Hartford, WI 53027
Performed comprehensive inspection of existing HVAC system in basement area. Evaluated electrical panel capacity and breaker configuration to ensure compatibility with potential replacement unit. Documented current installation including furnace unit with PVC venting, air handler with associated ductwork, and condensate drainage system. Assessment indicates system is properly installed but replacement options were presented to homeowner based on age and efficiency considerations of current equipment.
Performed comprehensive inspection of existing HVAC system in basement area. Evaluated electrical panel capacity and breaker configuration to ensure compatibility with potential replacement unit. Documented current installation including furnace unit with PVC venting, air handler with associated ductwork, and condensate drainage system. Assessment indicates system is properly installed but replacement options were presented to homeowner based on age and efficiency considerations of current equipment.
Jason G.
Jason G. Checked in
Performed comprehensive inspection of existing HVAC system in basement area. Evaluated electrical panel capacity and breaker configuration to ensure compatibility with potential replacement unit. Documented current installation including furnace unit with PVC venting, air handler with associated ductwork, and condensate drainage system. Assessment indicates system is properly installed but replacement options were presented to homeowner based on age and efficiency considerations of current equipment.
HARTFORD, WI 53027
Hartford, WI - Responded to no-heat call for aging furnace system. Upon inspection, found failed ignition control module causing system failure. Replaced faulty module, cleaned flame sensor, and performed complete system check. Unit now functioning properly with normal ignition sequence and adequate heat output.
Branden B.
Branden B. Checked in
Responded to no-heat call for aging furnace system. Upon inspection, found failed ignition control module causing system failure. Replaced faulty module, cleaned flame sensor, and performed complete system check. Unit now functioning properly with normal ignition sequence and adequate heat output.
Hartford, WI 53027
HARTFORD, WI - Responded to no-heat call for aging system. Diagnosed faulty control board on furnace showing intermittent operation. Replaced control board, cleaned flame sensor, and verified proper ignition sequence. System now operating within manufacturer specifications with consistent heat output.
Jacob A.
Jacob A. Checked in
Responded to no-heat call for aging system. Diagnosed faulty control board on furnace showing intermittent operation. Replaced control board, cleaned flame sensor, and verified proper ignition sequence. System now operating within manufacturer specifications with consistent heat output.
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.