Your Local Heating and Cooling Experts since 1929
Our team of professionals are available to provide superior heating, HVAC, and air conditioning services for homes and commercial properties in Menomonee Falls, Wisconsin. Our number one priority is customer satisfaction, and we go above and beyond to ensure you receive the best service possible.
With our team of Nate-certified technicians and friendly office staff, we are dedicated to delivering exceptional results. We understand the importance of a comfortable home or workplace, and that is why we are committed to providing reliable heating and cooling solutions all year round.
For HVAC services in Menomonee Falls, look no further than The Thielmann Group. Contact us online or call (262) 299-6197 to get started.
Menomonee Falls Heating and Air Conditioning Company
Looking for reliable heating and cooling services in Menomonee Falls? Look no further than our team! With a strong reputation since 1929, our expert staff ensures top-notch equipment installation and repair. We take pride in offering the best heating products, installation, and services in Waukesha County.
We offer various types of heating and HVAC options, including:
- Heating repair
- Heating maintenance
- Furnace repair
- Furnace replacement
- Boiler repair and installation
- Heat pump system installation
Our factory-trained and NATE-certified professionals are ready to get the job done right. Rest assured, we’ve got you covered with prompt furnace repair services in case of any heating problems. Our NATE-certified specialists are available 24/7 to service and repair all makes and models. Stay warm during harsh Wisconsin winters – reach out to us for all your heating or furnace repair needs in Menomonee Falls, WI.
Air Conditioner Repair and Installation Services
Looking for a new air conditioning system? Look no further! We have the perfect solution to keep you cool and suit your budget. Our experienced team will ensure a flawless installation, perfectly sized to your space. Our technicians are factory trained and NATE-certified, equipped with years of knowledge to install your new central air or ductless system with superior workmanship. Stay cool with confidence!
We work on all types of cooling systems, including:
- Air conditioners: We can work on all models of air conditioning systems for residential and commercial properties.
- Heat pumps: We can repair, replace, or maintain energy-efficient heat pumps that deliver warm air inside and outside the home.
- Ductless mini-splits: We can service ductless HVAC units that provide total climate control for single rooms.
Duct Cleaning
The ductwork in your HVAC system plays a vital role, acting as the lungs of your home. Every bit of heated or cooled air flows through it, ensuring comfort and well-being. At The Thielmann Group we take pride in ensuring clean and healthy indoor environments for homes and businesses.
From humidity control and air purification to duct cleaning and more, we offer solutions to improve your indoor air quality. The ductwork in your HVAC system plays a vital role, acting as the lungs of your home. Every bit of heated or cooled air flows through it, ensuring comfort and well-being.
- Air purifiers
- Humidifiers
- Dehumidifiers
Why Choose The Thielmann Group
Since 1929, our team has been the go-to choice for top-quality residential and commercial HVAC services in Menomonee Falls and beyond. Our NATE-certified technicians can service all brands, provide 24/7 emergency care, and more. Rest assured, we have you covered for all your HVAC needs! Plus, we offer upfront pricing, financing options, special deals, and a job well done.
Contact us online or call (262) 299-6197 to schedule the HVAC services you need.
Read Reviews by Our Customers
Recent Jobs and Reviews in Menomonee Falls, WI
Menomonee Falls, WI at a glance
Thielmann Heating, Cooling & Plumbing has completed 20 jobs in Menomonee Falls, WI between June 2026 and September 2026.
The most recent job was on September 21, 2026.
Thielmann Heating, Cooling & Plumbing has completed 292 jobs in Menomonee Falls, WI in the last 12 months.
Job Locations and Reviews
Completed full HVAC system installation including new furnace, air conditioning unit, and water heater in residential basement location. All required permits were obtained prior to work commencement, and licensed electrician provided necessary electrical connections to ensure code compliance. New gray furnace unit was installed with proper PVC venting routed vertically through structure, copper refrigerant lines configured with appropriate service loops, and metal supply/return ductwork connected to existing distribution system. Air handler and condensing unit were positioned for optimal airflow and serviceability. Water heater installation completed with required safety devices and proper venting. All equipment tested for proper operation, refrigerant charge verified, combustion analysis performed on gas-fired appliances, and system commissioned successfully. Work area left clean and organized with all components functioning within manufacturer specifications.
Completed installation of new Lennox furnace system in basement utility area. Work included proper positioning and mounting of furnace unit, installation of white PVC venting pipes for exhaust and intake, connection to existing ductwork system, and integration with electrical control panel. All installations performed in accordance with manufacturer specifications and local building code requirements with proper permits obtained. Electrical work completed by licensed electrician to ensure safe operation and code compliance.
Completed annual heating maintenance and tune-up on a 16-year-old Goodman furnace in preparation for the heating season. Performed comprehensive system inspection, checked all mechanical and electrical components, verified proper operation of safety controls, and inspected ductwork including flexible duct connections for integrity and proper airflow.
Provided estimate for complete furnace replacement system. Current furnace operational but experiencing temperature fluctuation issues and difficulty maintaining setpoint temperature. Documented existing Carrier Infinity System thermostat and basement installation location with exposed ductwork and PVC piping during assessment.
Responded to recurring sulfur odor complaint from recently installed water heater despite anode rod replacement two weeks prior. Inspected water heater installation, verified hot water production and proper operation of all components. Assessed water quality issue and anode rod condition, documented existing copper piping and expansion tank configuration in utility area. Recommended flushing tank and potential installation of powered anode rod or water treatment solution to permanently resolve bacterial contamination causing hydrogen sulfide odor in hot water supply.
Conducted on-site evaluation for Mitsubishi hyperheat mini-split system installation to provide heating and cooling for a 24x14 detached garage. Assessed interior wall framing with exposed studs and insulation, identified mounting locations for indoor air handler unit, and evaluated exterior wall for outdoor condenser placement and line set routing through existing electrical box location. Coordinated installation timeline with electrical contractor who will complete dedicated circuit and disconnect installation prior to mini-split system installation, ensuring proper power supply for hyperheat unit operation.
Performed comprehensive tune-up on residential Armstrong Air furnace and Nutone air conditioning system. Conducted visual inspection of both units, verified proper installation and component condition, tested refrigerant pressures using manifold gauges, and confirmed all safety labels and specifications were intact. Both indoor and outdoor units showed no signs of deterioration and were operating within normal parameters.
Responded to service call for furnace that would not shut off and was unable to reach setpoint temperature. Upon arrival, performed diagnostic testing using digital thermometer to measure supply air temperature at register, which read 75.2°F, indicating insufficient heat output. Verified system operation and temperature readings to identify cause of continuous run cycle and inadequate heating performance. Documented findings with temperature measurements at both the unit and supply vent locations for service records.
Completed comprehensive seasonal tune-up on Lennox furnace and air conditioning system, including full system inspection, component testing, and performance verification. Inspected blower motor assembly, gas valve connections, control board operation, and all electrical connections; verified proper airflow, tested safety controls, and confirmed all mechanical and electrical components operating within manufacturer specifications. System left in optimal working condition with no deficiencies noted.
Completed seasonal tune-up and preventative maintenance on residential gas furnace system. Performed comprehensive inspection of unit components, verified proper operation of all safety controls and ignition system, and measured supply air temperature at 53.7°F during diagnostic testing. System operating within normal parameters with no deficiencies noted at time of service.
Completed prepaid maintenance cooling visit including comprehensive A/C tune-up and system performance evaluation. Connected refrigerant manifold gauges to outdoor condensing unit and recorded operating pressures and temperatures. System readings indicated 120.9 PSI suction pressure, 236.0°F discharge temperature, 31.9°F superheat, and 73.7°F subcooling. Performed clean and check procedures on air conditioning system components. Cleaned and inspected humidifier water panel as part of scheduled maintenance. All system parameters verified within acceptable operating ranges for optimal cooling performance.
Completed comprehensive estimate for replacement of existing boiler system and attic-mounted air handler unit. Assessed current equipment configuration including boiler without indirect water heating tank, documented all mechanical connections, gas piping, copper water lines, and galvanized ductwork in basement mechanical room. Evaluated attic accessibility via interior stairs for air handler replacement and provided customer with replacement options for both heating and cooling system components.
Completed furnace tune-up and air conditioning tune-up on residential HVAC system. Performed standard maintenance procedures including system inspection, temperature readings, and verification of proper operation on both heating and cooling equipment located in basement mechanical area.
Conducted comprehensive assessment of existing HVAC system for replacement estimate, including outdoor air conditioning condenser unit with cylindrical configuration and indoor gray metal furnace with associated PVC venting. Evaluated current equipment operation, photographed installation details of both exterior AC unit on decorative stone base with electrical disconnect and refrigerant lines, and interior furnace positioned alongside water heater in basement utility area. All equipment confirmed operational at time of inspection, providing customer with replacement options and system upgrade recommendations.
Responded to service call for non-operational garbage disposal unit. Upon inspection, assessed the existing disposal system mounted beneath kitchen sink and determined unit required replacement due to mechanical failure. Successfully removed old disposal unit, installed new garbage disposal with proper electrical connections and plumbing integration to existing PVC drain configuration, and tested system to ensure proper operation and verify no leaks present.
Completed comprehensive tune-up maintenance on Lennox outdoor condensing unit and indoor furnace system. Performed standard preventative maintenance procedures including inspection of electrical connections, refrigerant levels, airflow components, and overall system operation to ensure efficient performance for the upcoming season.
Performed comprehensive tune-up on HVAC system, including refrigerant pressure and temperature diagnostics using calibrated field instruments. System measurements indicated normal operating parameters with supply air temperature at 53.6°F and refrigerant pressures within manufacturer specifications. All service gauges, hoses, and testing equipment functioned properly during inspection, confirming unit is operating efficiently.
Completed installation of battery backup sump pump system in residential basement. Successfully integrated the backup unit with existing primary sump pump in concrete basin, established proper electrical connections with 12-2 wiring, and verified operational functionality of both primary and backup systems. All components tested and confirmed working properly to ensure continuous water removal capability during power outages.
Completed scheduled cooling season preventive maintenance visit under membership agreement. Performed comprehensive A/C tune-up including system diagnostics with digital manifold gauges, verifying refrigerant pressures, temperatures, and superheat/subcooling calculations. Inspected indoor air handler unit, refrigerant line sets, and associated components. All measurements within manufacturer specifications. System operating properly with no deficiencies noted.
Responded to service call for non-functioning hose bib with broken or seized shut-off valve. Accessed crawlspace area to locate and inspect interior shut-off valve controlling exterior spigot. Valve was found to be locked up and inoperable, preventing proper water flow control to outdoor hose bib. Provided diagnostic assessment and repair estimate to customer for valve replacement.
