Maintaining functional home and commercial systems and utilities requires consistent attention and investment. Thielmann Heating, Cooling, & Plumbing simplifies home system maintenance by offering comprehensive heating, cooling and plumbing services in Cedarburg. We’re an all-round home comfort service provider completing reliable repairs, maintenance, installations and replacements of utility units.
Our Heating and Air Conditioning Services
If you’re experiencing any heating or air conditioning issues in your home, don’t stress — our certified technicians are ready to help. When you book a service with us, you won’t have to worry about hanging around to ensure everything is going well. We’re highly rated and trusted, which means you can enjoy your time with friends and family while we work on fixing up any HVAC issues you’re encountering.
Repair and Tuneups
If your AC is acting up, but you’re unsure if you need repair, don’t fret — it’s a common predicament. Here are a couple of signs you need AC repair:
- Your AC system is blowing hot air, despite the thermostat setting being correctly.
- There are odd, loud or banging noises from the unit.
- Energy bills spike with no obvious cause.
- Your unit is more than 10 years old.
- Strong, strange odors emit from the AC once it turns on.
- Constant water or refrigerant leaks near the unit.
Our NATE-certified team is ready to restore your AC to good working conditions. Simply give us a call, and we’ll be at your house as promptly as possible. We’ll assess the situation and identify parts needing repair, including the blower, condenser coil, condenser unit, compressor or coolant lines. We offer 24-hour emergency air conditioning repair services, so you never have to be stuck in the humid Wisconsin heat.
Air Conditioner Replacement and Installation Services
If performing continuous HVAC repair services is not enough for your unit, investing in an air conditioning replacement may be your best option. Our certified and licensed technicians will help you find the perfect AC unit for your home. From installation to final inspection, we are committed to your satisfaction and comfort.
Choosing the right replacement can be a little daunting, which is why we assess all aspects of your home. We consider how large your property is, how many people live in the house and the climate. We offer a range of systems, including AC units, ductless mini-splits, heat pumps and packaged units.
Ductless Mini-Split Installation and Repair Services
A ductless mini-split is an excellent option for homeowners looking for versatility in their HVAC system. Mini-splits can offer both heating and cooling depending on the weather. If you need ductless mini-split services in Cedarburg, we have your back. Our team can address all kinds of issues, including:
- Refrigerant leaks
- Compressor issues
- Drainage problems
- Sensor or thermostat malfunctions
- Frozen coils
- Fan or blower issues
- Weird noises or vibrations
Comprehensive Residential and Commercial Heating Solutions
In the cold Wisconsin winters, a reliable, working heating system is essential. If your furnace, boiler or heat pump isn’t properly heating your home or doesn’t even seem to be blowing hot air at all, we can help. Your business’s indoor climate is just as important as your home’s. If your business needs heating solutions, we offer commercial heating maintenance and installation services to keep your business booming and your customers comfortable.
Heat Pump System Installation Services Furnace Cleaning, Installation and Reair services
We’re ready to address any furnace problems you have and can conduct quick furnace repair, maintenance, cleaning and installation services so you can have the heat restored to your home once again. Get same-day service if you notice any of the following signs:
- No heat
- Infrequent cycling
- Leaking unit
- Strange noises
If your furnace needs a replacement or installation, trust us for reliable services. We consider all of your needs to offer you the best solution and can help you select the perfect furnace for your home. Types of furnaces we can help install include:
- Gas furnaces
- Electric furnaces
- Single stage
- 2-stage
- Modulating
Heat Pump System Installation Services
Another heating option for staying warm and cozy during the winter is installing a heat pump. They are just as effective as furnaces and offer more energy efficiency and versatility.
Our technicians provide dependable heat pump installation services for homes in Cedarburg, Wisconsin and will collaborate with you to choose a system with the correct specifications.
Boiler Installation and Repair Services
Keep your home warm with an effective boiler. If you notice any issues with your current boiler, contact us for a repair service. We’re prompt, professional, and thorough with our repair services. If you need an entirely new boiler, no problem—we also do boiler installations.
f you notice that there is insufficient heat, foul odors, cold air, or a yellow pilot light, give us a call. There is a high chance your boiler needs repair.
Thermostat Installation and Repair Services
Thermostats are highly essential in regulating the temperature of your home. If you have a thermostat that isn’t working properly or is on its last legs, you need to replace it or repair it ASAP. Without a functioning thermostat, you won’t get the heating or cooling you need, even if your AC unit or furnace is in good working order.
Cedarburg, WI Plumbing Experts
Thielmann Heating, Cooling, and Plumbing is proud to serve Cedarburg, WI by providing trusted plumbing solutions for homeowners and business owners alike. Regardless of if you’re dealing with a leaking faucet, busted pipe, or need a new water heater installed, our licensed plumbers handle it all with professional plumbing services in Cedarburg, WI. We focus on long-term repairs, no quick fixes, ensuring your plumbing systems keep working all year long.
From small repairs to complete system replacements, Thielmann is the team you can depend on. We have served Wisconsin families for over 95 years, offering reliable service and honest communication on every job. When your home’s plumbing fails, we respond quickly to get your system back in working order. Our experts inspect your plumbing, explain the problem clearly, and recommend the most practical solution for your budget.
Our Cedarburg plumbing services include:
- Water Heater Repair and Installation (Tank and Tankless)
- Drain Cleaning and Clog Removal
- Water Line Repair and Replacement
- Fixture Installation and Upgrades
- Sump Pump Services
- Garbage Disposal Repair and Replacement
- Bathroom and Kitchen Plumbing
- Water Treatment and Filtration Systems
If you start to notice discolored water, slow drains, or rising water bills without an increase in usage, call Thielmann Heating, Cooling, and Plumbing right away. We will provide you with upfront pricing and no-pressure repair recommendations. No matter the extent of the problem, Thielmann’s Cedarburg plumbers can handle anything your home or business throws your way. Call us today (262) 315-3067 at or contact our team online to get your next plumbing service scheduled.
Our Professionals Will Help You Stay Comfortable During the Fall, Winter, Spring, and Summer Seasons
As a place that experiences all four seasons, Cedarburg, Wisconsin is prone to having humid, sunny summers and frigid, bitterly cold winters. Some days are even below freezing, dipping into the 20s.
To avoid an HVAC system outage on a cold winter day, it’s critical to work with our team to perform continuous maintenance. Luckily, our technicians will help you clean and prepare your furnace for the winter season.
On the contrary, summer days in Cedarburg can be as hot as the mid-80s. The local area gets an average of 32 inches of rain per year, including some light snowfall during the winter. In a climate like this, you need to stay equipped with an efficient, working HVAC system.
Make sure to keep Thielmann Heating, Cooling, & Plumbing in mind if you ever need someone to service your heating or cooling system.
Book a Heating, Cooling, or plumbing Appointment With Our Team in Cedarburg, Wisconsin
Serving Waukesha and the surrounding areas, like Cedarburg, our Wisconsin-based team is ready to help you with the services you need. From heating and cooling to plumbing and unique HVAC solutions, we have the expertise and experience to address your challenges and provide high-performing results. Contact us today to schedule your service or get a free estimate!
Read Reviews by Our Customers
Recent Jobs and Reviews in Cedarburg, WI
Cedarburg, WI at a glance
Thielmann Heating, Cooling & Plumbing has completed 20 jobs in Cedarburg, WI between June 2026 and October 2026.
The most recent job was on October 9, 2026.
Thielmann Heating, Cooling & Plumbing has completed 62 jobs in Cedarburg, WI in the last 12 months.
Job Locations and Reviews
Responded to emergency service call for furnace with failed heat exchanger. Conducted thorough inspection of existing HVAC system, documented holes in heat exchanger creating safety hazard, photographed furnace unit and electrical panel, and provided comprehensive replacement estimate for new furnace system within requested timeframe.
Completed scheduled heating maintenance visit as part of recurring membership agreement. Performed system inspection including internal ductwork examination using borescope camera to verify proper installation and condition of flexible ducting and support structures. Confirmed thermostat operation with Honeywell Home ProSeries unit displaying proper temperature reading of 72°F and verified all control functions are operating correctly.
Completed comprehensive tune-up service on HVAC system, including inspection of control board wiring and electronic components within the unit housing. Documented existing wiring configuration showing multiple circuit boards with various colored wire connections; inspected condensate drain line assembly with 90-degree elbow fitting to ensure proper drainage function.
Responded to no heat call following thermostat replacement. Upon arrival, diagnosed furnace control issue preventing system operation. Inspected gas valve assembly, blower motor components, and verified all electrical connections were properly configured. Identified wiring discrepancy from recent thermostat installation that interrupted communication between thermostat and furnace control board. Corrected thermostat wiring to manufacturer specifications, restored proper 24V control circuit, and cycled system through multiple heating cycles to confirm reliable operation. Furnace now heating normally with all safety controls functioning as designed.
Completed residential water heater installation in basement utility area. New white cylindrical water heater was set on concrete floor and connected with copper supply lines, flexible metal tubing, and white PVC piping for proper drainage. Pressure relief valve and temperature gauge were installed and verified for safe operation.
# HVAC Tune-Up Completed Performed standard tune-up maintenance on residential HVAC system. Discovered evaporator coil heavily covered with frost and ice buildup, indicating abnormal operating conditions. Replaced 16x25x1 air filter as requested. Inspected system components including condensate drain piping, electrical connections, and control panel. Documented equipment condition with photographs showing extensive ice formation on evaporator coil fins and overall system configuration. System requires further diagnostic evaluation to determine root cause of freezing condition, which may include refrigerant charge verification, airflow assessment, or thermostat calibration.
Responded to no hot water call and performed comprehensive assessment of existing gas-fired water heater system. Documented current installation including copper supply piping, braided stainless steel flex connectors, gas line configuration with yellow CSST, and exhaust venting. Observed corrosion and discoloration on pipe fittings and connections indicating age-related deterioration. Evaluated all plumbing connections, gas supply components, and venting system. Provided detailed estimate for complete water heater replacement including removal of existing unit and installation of new equipment with necessary code-compliant connections.
Completed HVAC system service call addressing zoning system components. Replaced AA 700 filter as requested at no charge per prior authorization. Inspected and verified operation of zone panel, three zone dampers, and two thermostats in multi-zone configuration. System components located in basement mechanical space with proper labeling visible on first floor zone identification. All zoning controls and damper operations confirmed functional following service completion.
Responded to customer complaint of foul odor emanating from household water supply. Upon inspection of basement utility area, evaluated existing water treatment system including pressure tank, water softener unit, and associated plumbing connections. Assessed water quality issue and determined odor likely caused by bacterial growth in water heater or deteriorated anode rod. Documented existing equipment configuration with photographs showing pressure tanks, water softener control unit, and copper piping connections for service records and potential system upgrades.
Successfully removed and replaced deteriorated cast iron piping that was penetrating through the concrete block wall. Installed new white PVC piping system with proper fittings, couplings, and black rubber connectors to ensure secure connections throughout the assembly. The replacement included multiple horizontal and vertical pipe runs with appropriate elbow joints and transitions to accommodate the existing plumbing configuration in the utility room.
Responded to service call for water leakage along wall foundation originating from septic system piping. Upon arrival, conducted thorough diagnostic inspection of basement utility area and identified moisture intrusion patterns on concrete block walls. Documented existing plumbing infrastructure including sump pit assembly, PVC drainage lines, pressure tank, and pump control system. Traced water staining and discoloration on foundation walls to determine leak source and assess extent of water damage. Photographed affected areas showing septic piping connections, wall penetrations, and evidence of ongoing moisture issues for further evaluation and repair recommendations.
Completed fall tune-up on two-zone HVAC system and inspected zone control equipment per customer request. Evaluated existing zone controller wiring and drainage components, discussed smart thermostat compatibility with multi-zone system, and provided recommendations for zone control upgrades to improve system efficiency and user control.
Responded to gas leak call after utility company visit and identified defective gas valve requiring replacement. Accessed furnace unit, inspected gas line connections and valve assembly, and documented equipment condition and gas piping configuration for repair estimate and parts ordering.
Completed preventative maintenance tune-up on residential air conditioning system. Performed comprehensive inspection of outdoor condenser unit including fan assembly and motor operation, verified proper airflow through protective grill, and measured system temperatures using calibrated digital thermometer, recording supply air temperature of 57.6°F at ductwork. All components found operating within normal parameters with unit showing good overall condition and no visible signs of wear or deterioration.
Responded to emergency service call for non-operational air conditioning system. Successfully restored system to working condition during initial visit. Conducted comprehensive site assessment for replacement estimate during follow-up appointment. Evaluated existing outdoor condenser unit showing significant age-related deterioration, including weathering, discoloration, and rust staining on cabinet surfaces. Inspected basement mechanical area, documenting existing infrastructure including copper refrigerant lines, gas piping, and PVC drainage system. Assessed installation location on exterior wooden deck and reviewed accessibility for equipment replacement. Photographed current system configuration and surrounding conditions to support replacement recommendations.
Responded to no cooling complaint on residential split system. Upon arrival, connected manifold gauges to outdoor Lennox condenser unit to verify system pressures and diagnose cooling issue. Customer suspected thermostat malfunction; performed diagnostic testing to determine root cause. System evaluation included pressure readings and operational assessment of both indoor furnace/air handler and outdoor condensing unit to identify failure point and restore cooling functionality.
Responded to no cooling call and performed system diagnostics using refrigerant manifold gauges. Measured system pressures with suction side reading 128.4 psig at 34.2°F and high side reading 249.8 psig, indicating potential refrigerant charge issues or airflow restrictions requiring further evaluation.
Completed estimate for one-to-one mini split replacement system. Evaluated existing Mitsubishi outdoor condenser unit mounted on metal stand with wall-mounted indoor unit, inspected electrical panel circuit configuration including dedicated AC compressor breaker, and documented current installation including refrigerant line routing and condensate drainage setup. Provided replacement system specifications and installation requirements.
Responded to no cooling complaint on residential HVAC system. Upon inspection, found significant rust and corrosion on condensate drain pan indicating active water damage and potential secondary drain pan failure. System was operational but unable to maintain desired temperature setpoint. Documented equipment condition with photos showing corroded components and advised homeowner of necessary repairs to prevent further deterioration and restore proper cooling function.
Responded to emergency service call for AC system with recurring refrigerant loss—system had previously required 2lbs of refrigerant that subsequently leaked out. Performed comprehensive system evaluation and provided replacement estimate for aging HVAC equipment located in basement utility area, documenting existing furnace and associated mechanical systems for customer consideration.
