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 September 2026 and October 2026.
The most recent job was on October 5, 2026.
Thielmann Heating, Cooling & Plumbing has completed 246 jobs in Menomonee Falls, WI in the last 12 months.
Job Locations and Reviews
Completed comprehensive furnace tune-up including inspection of all major components, verification of electrical connections at Honeywell control switch, and temperature diagnostics using calibrated digital instrumentation. System tested and confirmed operating within normal parameters with supply air temperature reading 74°F at time of service.
Responded to no-heat call on Concord furnace system. Upon arrival, performed diagnostic inspection of unit that would not initiate heating cycle. Conducted systematic troubleshooting of electrical components, blower motor assembly, and control systems. Identified and resolved issue preventing furnace ignition sequence. Verified proper operation of all safety controls and confirmed system restored to full heating functionality. Unit tested through complete heating cycle with satisfactory performance.
Responded to service call for water heater leaking from bottom of unit. Upon inspection, confirmed active leak originating from base of approximately 20-year-old water heater with visible corrosion and deterioration of tank. Evaluated existing plumbing infrastructure including aged galvanized steel piping, copper supply lines, and shut-off valves. Documented condition of unit and surrounding plumbing system, noting oxidation on connecting pipes and overall age of installation. Provided estimate for complete water heater replacement due to tank failure and end of serviceable life expectancy.
Conducted on-site assessment of existing sump pump system in basement utility area to provide estimate for complete system upgrade. Evaluated current installation consisting of sump basin with vertical PVC discharge pipe and determined requirements for new sump pump replacement, new check valve installation, and addition of battery backup system to ensure continued operation during power outages.
Responded to no cooling call and performed diagnostic evaluation of residential air conditioning system. Connected manifold gauges and vacuum pump to service ports to check refrigerant charge and system pressures. System found to be low on refrigerant, indicating potential leak or undercharge condition requiring further assessment and refrigerant recovery/recharge procedures.
Completed comprehensive furnace and air conditioning tune-up maintenance on residential HVAC system. Inspected and serviced interior control panel components including circuit board, relays, and electrical connections; replaced 20x25x4 air filter as specified. Examined outdoor condensing unit, noting greenish discoloration on aluminum coil fins consistent with environmental exposure, and verified all mechanical components for proper seasonal operation.
Completed on-site assessment for furnace and air conditioning system replacement at residential property. Evaluated existing HVAC equipment condition, measured installation area in utility space, documented current system configuration, and photographed equipment location and exterior service access points. Provided comprehensive replacement options and system sizing recommendations based on home specifications and customer comfort requirements.
Responded to no-heat service call for boiler system producing buzzing sound and failing to operate. Upon arrival, performed diagnostic inspection of heating unit with front access panel opened to examine internal components. Identified control board issue preventing proper ignition sequence. Inspected electrical connections, wiring harness, and circuitry including green indicator lights on control panel. Evaluated gas valve operation, pressure switches, and safety interlocks. Tested system operation and restored heat to residence.
Performed pre-replacement inspection of 20-year-old furnace and air conditioning system. Evaluated AC condenser unit experiencing coil icing issues during operation. Connected manifold gauges to measure refrigerant pressures and assess system performance. Documented equipment condition with photographs showing outdoor condenser unit with service panel open, internal components including copper refrigerant lines, electrical connections, and mechanical assemblies. Inspection findings will support upcoming replacement estimate for both furnace and AC system.
Completed furnace and air conditioning tune-up maintenance on residential HVAC system. Performed comprehensive inspection of furnace unit, verified electrical connections and wiring integrity, tested control systems, inspected humidifier operation, checked refrigerant lines and condensate drainage system, and confirmed all components operating within manufacturer specifications.
Completed preventative maintenance tune-up on gas-fired HVAC system. Removed access panel to inspect internal components including heat exchanger, blower motors, gas valve assembly, electrical connections, and ductwork. Verified supply air temperature at duct system reading 71.93°F and confirmed proper airflow through metallic ductwork. All mechanical and electrical components inspected and found operating within normal parameters.
Performed diagnostic inspection on 40-gallon Rheem power vent water heater experiencing water leakage suspected from bottom of unit. Conducted thorough visual examination of tank, connections, and surrounding plumbing components to identify source of leak. Documented unit condition and findings with photographic evidence. Customer advised that diagnostic fee would be credited toward new unit installation if they proceed with replacement recommendation.
Completed comprehensive heating system maintenance visit as part of annual membership agreement. Performed full furnace tune-up including inspection of all burner assemblies, heat exchangers, and ignition components. Replaced air filter with new 16x25x1 filter as scheduled. Inspected hydronic heating system components including expansion tank, copper piping, brass valves, and associated connections. Verified proper operation of all heating zones and confirmed system pressures within manufacturer specifications. All equipment operating efficiently with no issues found.
Conducted on-site evaluation for natural gas boiler replacement in basement mechanical room. Current boiler system, mounted on blue metal base with gray expansion tank and extensive copper piping network, requires significant repairs that make replacement more cost-effective than restoration. Documented existing equipment configuration including expansion tank marked "2-4½", multiple control valves with red handles, electrical junction boxes, and interconnected plumbing assembly. Assessed deteriorated concrete block walls showing water staining and age-related damage. Photographed complete system layout including water heater, overhead joists, piping runs, brass fittings, and floor-mounted components to provide accurate replacement specifications and installation planning.
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.
