When it comes to keeping your home comfortable year-round in Milwaukee, Wisconsin, having reliable heating, air conditioning, and HVAC systems should not be overlooked. If you are looking for quality home services, you are in good company.
Our team of contractors offers industry-leading air conditioning, heating, and HVAC repair services in Milwaukee and will work with you to ensure your home stays cozy all year long. Trust the Thielmann Group to get the job done right. Contact our professionals at (262) 299-6197 to book an appointment and receive assistance with a defective HVAC system.
Air Conditioning Repair Services
Our air conditioning repair services are designed to address any issues such as strange noises and insufficient cooling. If you experience rising energy bills, unusual odors, loud noises, or hot air blowing out of your unit, contact our professionals for support.
Air Conditioner Replacement and Installation Services
A malfunctioning air conditioner is the last thing you want to deal with during a hot and humid summer in Milwaukee.. Our team helps you select the right unit for your home’s size and cooling needs.
Air conditioners are not meant to last forever. You might need an air conditioner replacement service if your unit is experiencing frequent breakdowns, blowing uneven air, or is over 10 years old. If you notice any of these problems, consider contacting us for reliable AC replacement services.
Sometimes, repairs aren’t sufficient. If your air conditioner is beyond repair or you are looking to upgrade to a more energy-efficient model, the Thielmann Group offers replacement and installation services to suit your needs.
Ductless Mini-Split Services
From warm summer days to cold winter nights, there is no temperature a ductless mini-split HVAC system can’t handle. For homes without ductwork or those seeking more flexible cooling options, ductless mini-split systems are a great solution. Our professionals provide installation, repair, and maintenance services for ductless mini-split systems in Milwaukee and Southeastern Wisconsin.
Furnace Repair and Tune-Up Services
Going through a winter in Wisconsin without a functioning furnace is like wearing sandals in the snow—it’s not smart. Luckily, our team offers a variety of HVAC services for local residents in Milwaukee including furnace repair options.
We will make sure your heating system functions properly when you need it most. From minor repairs to major maintenance, there is nothing our technicians can’t handle. Contact us if your furnace is not producing heat, leaking fluids, making strange noises, or short cycling.
Furnace Installation and Replacement Services
If it’s time to replace your old furnace or install a new one, our team offers expert furnace installation services tailored to your heating needs.
Our professionals will guide you through the selection process, ensuring you choose a furnace that meets your efficiency and comfort requirements, and handle the installation with precision and care.
Heat Pump System Installation and Maintenance Services
Did you know a heat pump system heats and cools your home? This heating and cooling versatility makes heat pumps a popular choice for residents in the local Milwaukee area.
Heat pumps offer year-round comfort, consistent temperature control, and improved energy efficiency for homeowners in Southeastern Wisconsin. Plus, they are much better for the environment.
Boiler Installation and Repair Services
As energy costs continue to rise, many homeowners are turning to energy-efficient boilers. Boilers are designed to heat water which is then dispersed as steam through your radiators.
Whether your old system is aging itself out or you need maintenance, our team of technicians have you covered with comprehensive boiler repair services. Get in touch with us if you notice common boiler problems like foul odors, strange noises, a yellow pilot light, or insufficient heat.
Ductwork and Indoor Air Quality Services
Old ductwork can impact your indoor air quality, especially if it develops cracks or gaps. Unfortunately, ductwork problems happen, and when they do, our team is available to provide you with superior air duct repair services to restore air circulation in your house.
Signs like uneven cooling, rising energy bills, loud noises, and the presence of mold all warrant a call to our technicians. Our team offers trustworthy ductwork and HVAC services for homeowners in Milwaukee, Wisconsin and will work with you to restore airflow throughout your system.
Expert Plumbing Services in Milwaukee, WI
Plumbing problems often occur without warning, interrupting your routine and leaving you in a messy situation. When moments like this happen, you need a team of experts who respond fast and fix the problem the right way the first time. Thielmann Heating, Cooling, and Plumbing has a team of Milwaukee plumbers who are trained to handle any problem your home throws your way with professional, quality workmanship. From clogged drains to broken water heaters, our licensed plumbers handle every job with precision and care.
We are able to handle a wide array of plumbing problems in homes both old and new. Our team uses proven repair methods and high-quality parts to ensure every fix lasts. Whether you need a new fixture installed, pipes replaced, or a sump pump serviced, we make the process simple and stress-free. If your water heater struggles to deliver consistent hot water, we can install or repair both standard and tankless units to match your household needs.
Milwaukee homeowners count on us for:
- Water heater repairs, replacements, and maintenance to keep your showers hot and steady.
- Fast drain cleaning and clog removal to keep your plumbing flowing freely.
- Fixture installation and repair for sinks, faucets, and toilets that work the way they should.
- Leak detection and pipe replacement to stop water waste and protect your home.
- Sump pump installation and maintenance to prevent basement flooding.
- Garbage disposal repair and installation to make kitchen cleanup simple.
- Water softener and filtration system installation for cleaner, fresher water in every tap.
We offer regular plumbing inspections to find small leaks or corrosion early before they cause expensive water damage. Keeping your plumbing in good shape helps lower costs, reduce waste, and extend the life of your system. Thielmann Heating, Cooling, and Plumbing proudly serves Milwaukee with honest recommendations, clear pricing, and dependable service that keeps your home running right. Call us today at (262) 299-6197 to book your plumbing appointment.
Enjoy the Local Attractions in Milwaukee and Worry Less About Heating and Air Conditioning Issues
One of the advantages of working with our team of professionals is having more time to explore the local Milwaukee, Wisconsin area. Our team will fix your broken furnace or HVAC system to ensure you are able to enjoy your weekend with friends or family in Milwaukee. The city boasts an array of fun attractions for visitors and residents.
Take a stroll along the Milwaukee Riverwalk, where you can enjoy views of the city skyline. Between the shops and restaurants, you can check out the Milwaukee Art Museum and the famous Harley-Davidson Museum.
For a taste of the rich brewing heritage in Milwaukee, don’t miss a visit to Best Place at the Historic Pabst Brewery, where you can take a guided tour and sample some of Wisconsin’s classic brews. Sports enthusiasts can also catch a game at the iconic Fiserv Forum or check out the American Family Field.
Whatever you choose to do, you can come home to comfort thanks to our team. Our crew will work hard to keep your house safe and comfortable throughout the summer or winter seasons.
Book a Heating or Cooling Appointment With Our Team in Milwaukee
Milwaukee is one of America’s greatest cities, and we are proud to have been servicing its residents for nearly 100 years. Whether you require a brand-new air conditioner or assistance diagnosing a furnace issue, we’re here to assist you.
Call our team of HVAC contractors at (262) 299-6197 to schedule a service today and get peace of mind knowing your heating and air conditioning systems are in good hands.
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Recent Jobs and Reviews in Milwaukee, WI
Milwaukee, WI at a glance
Thielmann Heating, Cooling & Plumbing has completed 20 jobs in Milwaukee, WI in September 2026.
The most recent job was on September 23, 2026.
Job Locations and Reviews
Completed comprehensive tune-up service on commercial furnace and air conditioning system, including installation of Air Bear 20x25x5 filter. Performed diagnostic testing with digital multimeter showing 546.0 reading on system components, and verified temperature measurements at 59°F using precision thermometer to ensure proper system operation and performance standards.
Completed scheduled boiler tune-up and maintenance inspection as part of recurring heating system service. Performed comprehensive system evaluation including inspection of heat exchanger, burner assembly, pressure gauge readings, copper supply lines, and all plumbing connections. Verified proper operation of all mechanical components, checked pressure settings, and confirmed system is functioning efficiently for the heating season.
Responded to service call for reported leak at furnace. Upon inspection, identified leaking gas line connection at furnace inlet. Removed and inspected brass hexagonal pipe fitting, which showed significant wear, oxidation, and deteriorated thread sealant. Replaced faulty fitting with new brass connector, applied appropriate thread sealant, and torqued to manufacturer specifications. Performed leak test using soap solution to verify repair integrity. Placed protective insulation material in work area during repair. System tested and confirmed no further leaks present at furnace connections.
Completed comprehensive tune-up service on residential split HVAC system, including furnace and air conditioning condenser unit. Performed detailed inspection of heat exchanger assembly, verifying fin integrity and proper airflow through corrugated aluminum fins. Inspected outdoor condenser unit mounted on concrete pad, checked fan operation, examined louvered panels for proper ventilation, and verified electrical connections at disconnect box and conduit routing along exterior wall. All components found operating within normal parameters with no immediate service needs identified.
Completed comprehensive tune-up service on commercial Trane HVAC system, including both furnace and air conditioning units. Replaced heavily contaminated 16x25x1 air filter with new unit, as evidenced by significant dust and debris accumulation on the removed filter. Performed standard maintenance inspection of all system components, noting corrosion present on flame sensor rod that will require monitoring for future replacement.
Installed customer-provided sump pump in existing concrete sump pit as part of same-day service request. The black cylindrical pump was positioned in the pit with white PVC discharge piping connected and properly secured, with the unit sitting in standing water at the bottom of the concrete basin to ensure proper float activation and water removal functionality.
Completed comprehensive tune-up and maintenance on two furnace systems, including full system diagnostics with combustion analysis and safety checks. Replaced water panel humidifier pads on both units to ensure proper humidity control and system efficiency for the heating season.
Completed assessment and sold repiping repair for residential plumbing system showing significant deterioration. Inspected corroded galvanized piping with extensive rust buildup on horizontal runs and vertical drops, along with aging P-trap assembly beneath fixture. Documented deteriorated metal pipe infrastructure in utility area with compromised fittings and joints exhibiting orange-brown corrosion throughout. Recommended complete repiping solution to address failing galvanized lines and prevent future leaks or water quality issues.
Completed comprehensive furnace tune-up and maintenance service. Inspected control board and electrical components, verified proper operation of all safety controls and ignition system, and replaced air filter as requested. Thermostat confirmed operating correctly at 71°F setpoint with all heating functions responding appropriately.
Responded to emergency call for water leaking through ceiling and addressed slow-draining bathroom sink. Inspected under-sink plumbing and P-trap assembly, cleared drainage obstruction, and verified proper flow restoration. Additionally provided estimate for sump pump and utility sink installation in basement utility area where existing plumbing infrastructure was assessed.
Replaced defective shower valve assembly in bathroom tub and shower combination. Removed old valve, installed new chrome fixture with tub spout and shower diverter, tested for proper operation and verified no leaks. All components functioning correctly upon completion.
Conducted on-site assessment for duplex HVAC replacement project involving two natural gas furnaces located in basement and installation of two new air conditioning systems. Evaluated existing equipment, ductwork configuration, electrical panel capacity, and available space for new AC condensing units. Documented current system conditions and provided comprehensive replacement estimate for complete heating and cooling upgrade to both units of the duplex.
Responded to a recurring drain clog in the bathroom toilet that had previously been serviced in February. Performed diagnostic evaluation to identify the underlying cause of the persistent blockage and determine appropriate resolution measures.
Completed comprehensive tune-up service on furnace and air conditioning system, including inspection of dual capacitor with verified electrical connections and terminal integrity. Installed customer-provided Honeywell 16x25x4 air filter and inspected evaporator coil assembly, which showed normal condensation patterns and clean fin condition with no blockages or efficiency concerns.
Completed warranty coil replacement on residential HVAC system. Replaced defective evaporator coil in air handler unit, tested system operation, and verified proper refrigerant levels and airflow upon completion.
Completed comprehensive tune-up service on both furnace and air conditioning systems. Performed electrical diagnostics using digital multimeter, measuring capacitor performance at 7.69 microfarads on the 370VAC CBB65 rated capacitor. Inspected and tested all electrical components including relays, capacitors, and control wiring connections. Verified proper operation of blower motor assembly and belt tension. All systems tested and operating within manufacturer specifications upon completion.
Completed routine A/C tune-up and maintenance inspection as part of prepaid membership service. Performed system diagnostics on outdoor condensing unit, including electrical testing with clamp meter to verify proper amperage draw and capacitor functionality. Inspected unit condition, noting rust and corrosion on protective grille and accumulated debris on condenser coils, though system operational parameters remained within acceptable limits for continued service.
Completed sold repair service for bathtub faucet assembly. Replaced brushed stainless steel fixtures including curved spout and single-handle faucet control, ensuring proper installation and water flow to tub and showerhead. All components tested and verified operational upon completion.
Completed comprehensive furnace and air conditioning tune-up maintenance service. Performed thorough inspection of furnace interior components including blower motor assembly, gas valve, electrical connections, and wiring harnesses. All diagnostic codes reviewed and system status verified as operational. Temperature readings taken at supply air duct confirmed proper heating performance. Provided replacement furnace filter and discussed membership program options with customer.
Responded to no-heat call on Bryant furnace system. Upon arrival, accessed control board compartment and performed diagnostic testing. Identified faulty control board preventing system operation. Replaced defective control board, reconnected all wiring harnesses, and verified proper electrical connections. Tested system operation through complete heating cycle. Furnace now functioning properly with all safety controls operating as designed.
