Union Grove deserves a trusted partner for all home and commercial service needs. Thielmann Heating, Cooling, and Plumbing has been proudly serving Southeastern Wisconsin, providing customized solutions to ensure comfort, safety, and efficiency for both residential and commercial properties. Whether you’re a homeowner or a business owner, we’ve got you covered. Call us today at (262) 299-6197 to get started or contact us online for more information.
Residential Heating and Cooling Services in Union Grove

Achieving optimal comfort in your home begins with dependable heating and cooling systems. At Thielmann Heating, Cooling, and Plumbing, we take pride in offering a variety of customized HVAC services in Union Grove. Whether it’s a brand-new installation, a major repair, or a system upgrade, our heating and cooling solutions are crafted to maximize performance and maintain a cozy and comfortable indoor environment throughout the year:
- Furnace Services: We handle everything from new installations to repairs and routine maintenance to keep your heating system in top shape.
- Air Conditioning Systems: Enjoy consistent cooling with our central air installations, ductless mini-split systems, and energy-efficient upgrades.
- Heat Pumps: Our team installs and services heat pumps, offering a versatile and eco-friendly heating and cooling option.
- Duct Cleaning & Sealing: Improve airflow, reduce energy waste, and enhance indoor air quality with our professional ductwork services.
Our goal is to make sure your home’s HVAC systems operate with peak efficiency, providing consistent comfort and reliability tailored to your specific needs. By focusing on customized solutions, we help you achieve a balance between functionality and performance.
Professional Plumbing Solutions in Union Grove
A dependable plumbing system is vital to your home’s functionality and your family’s comfort. At Thielmann Heating, Cooling, and Plumbing, we go beyond quick fixes to provide lasting solutions for all your plumbing needs. Our team of skilled Union Grove plumbers delivers comprehensive services to tackle any challenge, whether it’s a minor inconvenience or a major issue, ensuring your home runs smoothly every day:
- Fixture Installations & Repairs: From kitchen faucets to bathroom sinks, we ensure proper installation and functionality.
- Water Heater Expertise: Whether you prefer tank or tankless systems, our team handles installations, repairs, and maintenance.
- Leak Detection and Repairs: Protect your home from costly water damage with our advanced detection and repair services.
- Sump Pumps: Safeguard your basement with reliable sump pump installation and maintenance.
Indoor Air Quality Services in Union Grove
Breathing clean air helps to ensure your home remains comfortable and safe. At Thielmann Heating, Cooling, and Plumbing, we recognize the importance of indoor air quality and offer comprehensive solutions to help Union Grove residents create healthier living spaces.
Advanced Air Purifiers
Our state-of-the-art air purifiers effectively remove airborne pollutants, allergens, and even harmful particles like bacteria and viruses. By improving the air you breathe, these systems promote a cleaner and safer indoor environment for your family.
Humidity Control Systems
Balancing humidity is key to preventing mold growth, reducing allergens, and improving overall comfort. Our dehumidifiers and humidifiers are tailored to maintain the perfect moisture level in your home, protecting both your health and your property.
Professional Duct Cleaning & Sealing
Dirty or leaky ductwork can negatively impact air quality and HVAC efficiency. Our duct cleaning services eliminate dust, debris, and allergens, while our sealing solutions prevent air leaks, ensuring your system performs at its best.
Enhanced Ventilation Solutions
Proper ventilation is vital for circulating fresh air and removing stale, polluted air. We offer advanced ventilation systems that improve airflow throughout your home, reducing indoor contaminants and creating a more refreshing environment.
Commercial Services for Union Grove Businesses
Businesses in Union Grove can rely on Thielmann Heating, Cooling, and Plumbing for comprehensive commercial services. We understand the unique demands of commercial properties and offer solutions to ensure smooth operations:
- Commercial HVAC Systems: We install, repair, and maintain rooftop units, packaged systems, and split systems to keep your business comfortable year-round.
- Plumbing for Businesses: From restrooms to industrial kitchens, our commercial plumbing services cover installations, repairs, and routine maintenance.
- Electrical Upgrades: Ensure your property’s electrical system can handle the demands of modern business with our upgrade and repair services.
- Energy Efficiency Solutions: Optimize your business’s energy usage with advanced HVAC systems and smart technologies.
Our commercial services are designed to meet the demands of businesses across industries, ensuring efficiency, safety, and reliability.
Why Southeastern Wisconsin Chooses Thielmann
Over the last 9 decades, Thielmann Heating, Cooling, and Plumbing has built a reputation for excellence. Here’s why homeowners and businesses trust us with their comfort needs:
- Experienced Professionals: Our team has decades of combined experience, ensuring top-quality service.
- Customized Solutions: We tailor our services to meet the specific needs of your property.
- Transparent Pricing: With upfront pricing, you’ll never face unexpected costs.
- Emergency Support: Our 24/7 availability ensures we’re there when you need us most.
- Commitment to Quality: We use only the best materials and equipment to deliver lasting results.
Whether you’re managing a home or a business, you can rely on Thielmann for dependable and professional service.
Contact Thielmann Heating, Cooling, and Plumbing Today!
Ready to enhance the comfort and efficiency of your Union Grove property? Contact Thielmann Heating, Cooling, and Plumbing to schedule an appointment or request a free estimate by calling (262) 299-6197. Our team is here to deliver exceptional care and reliable solutions.
Recent Jobs and Reviews in Union Grove, WI
Job Locations and Reviews
Completed evaporator coil replacement on 2.5-ton R-410A system. Arrived on-site at 8:00 AM as scheduled and successfully installed new coil assembly, ensuring proper refrigerant line connections and condensate drainage. System tested and verified operational upon completion.
Completed installation of heat exchanger on 12-year Payne furnace unit and performed air conditioning system start-up procedures. Verified all mechanical equipment operating within manufacturer specifications, confirmed proper airflow through ductwork, tested water heater connections in basement mechanical room, and documented installation with photographs for service records.
Performed comprehensive AC tune-up including non-chemical coil cleaning and full system check with panel inspection. Verified electrical readings using multimeter, measuring voltage at 236V and amperage at 23A with temperature reading of 86.1°F at outdoor condenser unit, confirming system operating within normal parameters. Applied UV light treatment with member discount and verified thermostat functionality through mobile application interface.
Assessed existing primary Zoeller sump pump system installed one year prior and evaluated property requirements for battery backup installation. Provided estimate for heavy-duty battery backup system capable of handling frequent cycling demands, including high-capacity marine-grade battery and backup pump unit to ensure continuous operation during power outages.
Completed installation of residential water heating system in basement utility area. Installation included mounting and connecting new water heater unit with associated copper supply lines, expansion tank, pressure relief valve, and gas piping connections. Installed blue expansion tank on supply line to protect system from thermal expansion, integrated black iron gas piping with proper shut-off valves, and verified all connections for code compliance and leak-free operation. System tested and confirmed operational upon completion.
Completed installation of new water heating system in basement mechanical room. Installed vertical cylindrical water heater with associated copper piping connections, pressure relief components, and blue expansion tank. Configured all supply and return lines with proper valving, integrated system with existing plumbing infrastructure including gas lines and shut-off valves. Ensured all connections meet code requirements and verified system operation upon completion.
# HVAC Service Call - No Cool Condition Responded to service call for outdoor condensing unit experiencing no cooling condition. Upon arrival, performed visual inspection of equipment exterior, noting unit showed normal wear consistent with age and outdoor exposure. Condenser appeared to be properly positioned on concrete pad with adequate clearance for airflow. Conducted diagnostic assessment of system components to identify cause of cooling failure. Removed access panels to inspect internal components and electrical connections. Utilized power tools to access secured panels and perform necessary testing procedures. Evaluated fan motor operation, compressor function, and capacitor condition. Checked refrigerant pressures and verified electrical supply to unit. Identified failed component preventing system operation. Performed necessary repairs to restore cooling function. Verified proper system startup sequence and confirmed compressor engagement. Monitored unit through complete co
# HVAC Service Call - No Cooling Issue Responded to no cooling complaint on aging outdoor condensing unit exhibiting extensive weathering and deterioration. Upon arrival, observed heavily soiled condenser with significant rust formation on copper components, dirty coil fins, and biological growth on housing surfaces. Unit showed clear signs of deferred maintenance with accumulated dirt and debris restricting airflow through mesh panels. Performed diagnostic evaluation and determined unit had reached end of serviceable life based on age, advanced corrosion of refrigerant lines and electrical components, and overall deteriorated condition. Condenser coil showed restricted airflow from years of dirt accumulation and environmental exposure. Fan motor and compressor exhibited wear consistent with 10+ years of operation without adequate maintenance intervals. Advised customer that repair costs would approach replacement value given the extent of deterioration and age-related component fai
Completed installation of new HVAC furnace system in residential basement utility area. Installed vertical furnace unit with metallic ductwork, connected black flexible supply ducts to upper plenum, and integrated system with existing ductwork infrastructure. Mounted and programmed Honeywell Home ProSeries digital thermostat on main level, configured heating and humidity control settings, and verified proper communication between thermostat and furnace unit for optimal system operation and temperature regulation.
Responded to clogged drain call and performed diagnostic inspection of under-sink plumbing system. Upon investigation, discovered significant black buildup and debris accumulation inside brass T-fitting and connecting pipes, restricting water flow and causing drainage issues. Disassembled drain assembly including PVC connections and flexible supply lines. Thoroughly cleaned brass fitting interior, removing mineral deposits, corrosion, and accumulated sediment. Inspected all plumbing components for additional blockages or damage. Reassembled drain system with proper threading and sealing. Tested water flow and drainage to confirm full restoration of proper function. System now operating at normal capacity with no restrictions.
Performed sump pump inspection and maintenance in basement utility area. Examined pump mechanism installed in concrete floor pit with PVC discharge piping system, verified proper operation of motor unit and mechanical components, and assessed drainage configuration. Confirmed piping connections, checked for proper water discharge flow through the vertical PVC system, and ensured all electrical connections were secure and functioning correctly.
Conducted a comprehensive evaluation of existing HVAC system including furnace unit and associated ductwork in basement utility area. Documented current installation conditions showing galvanized sheet metal ductwork configuration, PVC venting, and connection points. Prepared replacement estimate for complete system upgrade based on observed equipment age and installation parameters.
Performed diagnostic assessment on aging Lennox furnace (model C16-31H-1) that was not producing heat. Conducted combustion analysis with Testo 310 analyzer, revealing high oxygen levels (23.5%) and minimal carbon monoxide (6 ppm) indicating poor combustion efficiency. Cleaned flame sensor and burner assembly, adjusted gas pressure to manufacturer specifications, and restored proper operation with improved combustion readings.
Responded to no-heat service call on aging HVAC system (10+ years). Inspected ductwork connections and identified significant dust accumulation in the main unit. Removed and replaced damaged blower motor assembly (blue cylindrical component) and rewired electrical connections to restore proper heating function.
Successfully installed a complete Carrier HVAC system in the client's unfinished basement utility area. The installation included proper mounting of the furnace unit, connection to the existing PVC ductwork system, and verification of all electrical connections. System was tested and confirmed to be operating according to manufacturer specifications.
Completed installation of a new Lennox furnace system with proper ductwork connections in unfinished basement utility room. Installed new water heater with appropriate metallic ventilation piping, ensuring proper integration with existing mechanical infrastructure. Both units were properly secured and connected to the home's utility systems with all necessary ventilation components in place.
Performed comprehensive combustion analysis using Testo 310 analyzer on heating equipment, revealing concerning readings including elevated CO levels (4276 ppm), low efficiency (78.5%), and high excess air (450.8%). Analysis indicated potential fuel combustion issues requiring immediate attention to restore proper operation and ensure safe equipment functioning.
Performed scheduled maintenance on Honeywell furnace system. Conducted combustion analysis using Testo 310 gas analyzer, confirming proper operation with 93.2% efficiency, O2 at 95.4%, and CO at acceptable levels (6 ppm). Inspected burner assembly showing normal blue flame pattern and verified all electrical connections were secure.
Performed routine maintenance on Carrier Infinity HVAC system. Inspected and cleaned all components of the air handler unit. Checked PVC condensate drain lines for proper flow and verified electrical connections were secure. System is operating within normal parameters with no issues detected.
Completed diagnostic evaluation of residential gas furnace system. Removed front panel to inspect internal components including blower motor, circuit board, and wiring harnesses. Performed visual inspection of PVC intake/exhaust venting and verified proper installation of all connections. System was reassembled and tested for proper operation.