Your home deserves the best care when it comes to comfort, safety, and performance. Thielmann Heating, Cooling, and Plumbing is proud to serve Grafton with a full suite of professional services. Our team is dedicated to providing reliable and efficient solutions tailored to your unique needs, ensuring your home operates smoothly in every season. If you need a home service company you can trust, give Theilmann a call at (262) 315-3067 or contact our team online.
Comprehensive Plumbing Services in Grafton
A well-functioning plumbing system is crucial for your home’s comfort and hygiene. We offer a wide range of plumbing services designed to keep your home’s water system flowing, including:
- Water Heater Services: Whether you need installation, repair, or maintenance, we handle both tank and tankless water heaters to keep your hot water flowing. Our Grafton plumbers can help you choose the most energy-efficient option for your household’s needs.
- Pipe Repairs and Leak Detection: Protect your home from water damage with our efficient pipe repairs and state-of-the-art leak detection services. We locate hidden leaks quickly, preventing structural damage and reducing water waste.
- Fixture Installations: Upgrade your kitchen or bathroom with new faucets, sinks, and garbage disposals installed by our skilled technicians. Whether you’re remodeling or simply replacing outdated fixtures, we ensure proper installation for lasting performance.
- Sump Pump Solutions: Avoid basement flooding with our reliable sump pump installations and repairs. We also offer backup pump options to provide peace of mind during heavy rains or power outages.
- Water Quality Systems: Enjoy cleaner, better-tasting water with our advanced filtration and softening systems tailored to your needs. Our solutions address common water issues like hard water, sediment, and contaminants, ensuring safer water for your family.
24/7 Emergency Service
(262) 315-3067
Grafton Cooling Services to Beat the Summer Heat
When summer arrives in Grafton, maintaining a cool and refreshing home is essential. With our dependable air conditioning solutions, you can beat the heat and enjoy a comfortable indoor environment all season long.
- AC Installation and Replacement: We install energy-efficient air conditioning systems from top brands, tailored to your home’s size and needs. Our team helps you select the perfect system for optimal cooling and cost savings.
- Air Conditioning Repairs: Our Grafton HVAC technicians quickly diagnose and repair issues to restore your system’s functionality. From refrigerant leaks to malfunctioning compressors, we’ve got you covered.
- Ductless Systems: Enjoy personalized comfort with ductless mini-split systems ideal for zoning and additions. These systems are perfect for areas where traditional ductwork isn’t feasible.
- Thermostat Upgrades: Improve energy efficiency with smart or programmable thermostats that let you control your system remotely. Smart thermostats also provide insights into your energy usage, helping you reduce costs.
- Air Quality Solutions: Enhance your indoor environment with dehumidifiers and air purifiers to reduce allergens and improve comfort. Proper humidity control also helps prevent mold growth and protects your home’s structure.
Heating Services You Can Trust
The harsh winters in Southeastern Wisconsin require heating systems that you can trust. At Thielmann Heating, Cooling, and Plumbing, we specialize in providing tailored solutions to ensure your Grafton home remains warm, comfortable, and safe throughout the season:
Furnace Services
From installation to repairs and maintenance, we ensure your furnace operates as it’s designed to. Regular tune-ups help avoid unexpected breakdowns during the coldest months.
Boiler Installation and Repair
Boilers are excellent for consistent and energy-efficient heating. We specialize in servicing both traditional and modern systems, ensuring reliable performance all winter long.
Heat Pump Solutions
Enjoy year-round comfort with heat pumps that provide both heating and cooling. Our technicians optimize system performance for maximum efficiency and durability.
Routine Maintenance
Regular tune-ups prolong the life of your system and prevent costly breakdowns. Our maintenance plans are designed to keep your system running smoothly and efficiently.
24/7 Emergency Service
(262) 315-3067
Why Southeastern Wisconsin Chooses Thielmann
Thielmann Heating, Cooling, and Plumbing has earned the trust of our customers through our unwavering commitment to quality and customer satisfaction. Here’s why we’re the preferred choice:
- Decades of Experience: Our seasoned technicians bring a wealth of knowledge to every service call, ensuring top-notch results.
- Customer-First Approach: Your satisfaction is our priority, and we go above and beyond to exceed your expectations. From transparent communication to attentive service, we make your experience seamless.
- Transparent Pricing: We believe in honest, upfront pricing with no hidden fees. You’ll know exactly what to expect before we begin any work.
- Eco-Friendly Options: We offer sustainable solutions to help reduce your home’s environmental footprint while saving on energy costs. From high-efficiency HVAC systems to water-saving plumbing installations, we help you make greener choices.
- Cutting-Edge Technology: We stay ahead of the curve with advanced tools and techniques to provide efficient and effective service. Our commitment to innovation ensures the best outcomes for your home.
Schedule Your Service in Grafton Today
Don’t let home service issues disrupt your life. Thielmann Heating, Cooling, and Plumbing is here to provide the expert care you need. Call us today at (262) 315-3067 or contact us online to schedule your service. Experience the difference of working with Grafton’s trusted home service provider.
Recent Jobs and Reviews in Grafton, WI
Grafton, WI at a glance
Thielmann Heating, Cooling & Plumbing has completed 20 jobs in Grafton, WI between May 2026 and September 2026.
The most recent job was on September 29, 2026.
Job Locations and Reviews
Kyle L.
# Sump Pump Inspection Performed comprehensive pre-winter sump pump inspection on an 8-year-old system. Documented existing conditions of submersible pump assembly, discharge piping, and basin components. Inspection revealed significant corrosion and rust deterioration on copper discharge pipes, with surface oxidation evident throughout the piping system. Verified pump housing integrity, float switch operation, and proper water level in concrete basin. Photographed all components including deteriorated pipe surfaces, pump assembly with circular cover plate and mounting bolts, flexible discharge hose, and basin conditions to document current system status prior to winter season.
Grafton, WI 53024
Steven S.
Responded to service call regarding attic ventilation fans creating excessive negative pressure in the home, resulting in dangerous downdraft conditions on the water heater flue. Assessed ventilation system and combustion appliance venting to identify pressure imbalance issues that could lead to backdrafting of combustion gases into the living space.
Grafton, WI 53024
Paul J.
Completed estimate for sump pump replacement with battery backup system installation. Assessed existing sump pump unit showing signs of wear and operational degradation, documented current setup including pump housing, discharge piping configuration, and sump basin condition. Evaluated workspace accessibility and determined requirements for upgraded system with integrated battery backup to ensure continuous operation during power outages. Photographed existing equipment and basin opening to document pre-replacement conditions and provide specifications for replacement unit sizing and installation planning.
Grafton, WI 53024
Jon Y.
Responded to callback for disconnecting drain hose on recent installation. Upon inspection, found condensate drain line was insufficient length causing repeated disconnection at fitting. Replaced drain hose with properly sized tubing, secured all connections, and verified proper drainage flow with no leaks.
Grafton, WI 53024
Nick K.
Completed recurring membership maintenance visit for heating and cooling systems. Performed comprehensive inspection of AC unit and furnace, measuring supply air temperature at 71°F and verifying proper system operation. Checked air filtration system and documented equipment conditions through photos showing installation area with PVC refrigerant lines and ductwork in good condition.
Grafton, WI 53024
Kyle L.
Completed diagnostic evaluation and successfully installed new matte black pull-down spray faucet in kitchen sink area. Customer-supplied fixture was professionally mounted to dark granite countertop with stainless steel sink, ensuring proper water connections and testing for leaks upon completion.
Grafton, WI 53024
Bryan P.
Conducted on-site evaluation of residential water heater experiencing active leak from bottom of unit. Inspected Bradford White water heater installation and confirmed structural failure at tank base, indicating internal corrosion and compromised integrity. Documented existing plumbing configuration including copper supply lines with shutoff valve, PVC drainage system, and current water heater placement in basement utility area. Provided comprehensive replacement estimate for new water heater installation to address failed unit and prevent further water damage.
Grafton, WI 53024
Nick K.
Completed comprehensive furnace and air conditioning tune-up service during early morning arrival window. Performed combustion analysis on heating system using calibrated flue gas analyzer, confirming optimal performance with efficiency reading of 95.5%, oxygen level at 4.8%, carbon monoxide at 36 ppm, and CO₂ at 9.10%. Inspected both heating and cooling equipment, verifying proper operation of all system components including refrigerant lines and ductwork connections.
Grafton, WI 53024
Jacob A.
Completed comprehensive AC tune-up on residential outdoor condensing unit. Performed standard maintenance protocol including inspection of compressor operation, refrigerant levels, electrical connections, and condenser coil condition; verified proper airflow through fan assembly and confirmed unit operating within manufacturer specifications.
Grafton, WI 53024
Branden B.
Completed installation of two complete air conditioning systems including indoor evaporator coils and outdoor condensing units. First system installed in basement mechanical room with new air handler unit properly positioned and connected to existing ductwork via metal supply plenum. Second outdoor condensing unit installed on ground-level pad against building exterior with electrical disconnect, refrigerant line set, and condensate drain piping routed through exterior wall. All electrical connections terminated per manufacturer specifications, refrigerant lines properly insulated, and systems tested for proper operation.
Grafton, WI 53024
Kyle L.
Responded to service call for leaking hose bib. Upon arrival, performed diagnostic inspection of outdoor spigot and traced supply line to shutoff valve located in attic crawl space. Identified source of leak at exterior hose bib connection point. Inspected interior shutoff valve for proper operation and verified water supply control functionality. Documented existing conditions of both exterior spigot assembly and interior valve access point for customer records.
Grafton, WI 53024
Rudy L.
Completed comprehensive estimate for replacement of two non-functional residential air conditioning units and associated natural gas furnace systems located in basement. Both existing AC units determined to be beyond economical repair, requiring complete system replacement. Evaluated existing Carrier furnace installation, ductwork configuration, refrigerant line routing, and electrical connections to determine scope of replacement work. Documented current equipment specifications, venting systems including PVC intake and exhaust pipes, and existing infrastructure to provide accurate replacement recommendations for dual HVAC system installation.
Grafton, WI 53024
Branden B.
Completed installation of new air conditioning system and evaporator coil unit in basement mechanical room. System was financed and includes new refrigerant lines with proper insulation, condensate drainage, and all necessary electrical connections to existing ductwork. Post-installation testing confirmed proper operation and refrigerant charge levels.
Grafton, WI 53024
Bryan P.
Responded to lead for non-functioning air conditioning system and provided comprehensive estimate for complete HVAC replacement including both furnace and AC unit. Assessed existing natural gas furnace installation in basement with associated ductwork, venting through white PVC pipes, and copper gas lines with shutoff valves. Evaluated current system configuration, measured equipment specifications, and documented existing setup with photographs to prepare accurate replacement proposal for new heating and cooling equipment.
Grafton, WI 53024
Jacob A.
Replaced evaporator coil on R410A system and performed system startup. Monitored refrigerant pressures and temperatures using digital manifold gauges, verifying proper system operation with high side reading 237 psig and low side reading 80 psig after completion.
GRAFTON, WI 53024
Benjamin G.
Completed full HVAC system installation including new Lennox furnace in basement utility area with proper PVC venting configuration and outdoor air conditioning unit. Performed system startup, refrigerant charging, and operational testing to verify proper performance of both heating and cooling components.
Grafton, WI 53024
Dan E.
Assessed non-functional tankless water heater in basement mechanical room and provided replacement estimate. Unit was determined to be inoperable and requiring full replacement. Evaluated existing hydronic heating system integration, including multiple zone controls with manifold assembly, circulation pump, expansion tank, and extensive copper and PEX piping network to ensure compatibility with new tankless installation.
Grafton, WI 53024
Kyle L.
Completed installation of JMI sump pump system in basement utility area. Positioned and secured sump pump basin on concrete floor with proper leveling and stabilization. Mounted pump motor unit with electrical components and connected discharge piping using white PVC with appropriate fittings and secure fastening. Routed electrical wiring from pump motor to power source with proper wire management and safety labeling. Tested system operation to verify proper pump activation, discharge flow, and automatic shut-off functionality upon completion.
Grafton, WI 53024
Branden B.
Completed full HVAC system installation including furnace and air conditioning condenser unit. Installed outdoor AC unit with proper refrigerant line connections, electrical conduit routing, and junction box mounting. All copper refrigerant lines properly insulated with protective foam coverings and secured along exterior wall. System tested and verified operational upon completion.
Grafton, WI 53024
Jacob A.
Responded to no cooling complaint on Lennox HVAC system with outdoor unit running but no cool air delivery. Performed diagnostic evaluation of indoor air handler and furnace assembly located in basement mechanical room. Inspected refrigerant lines, condensate system, and blower motor operation to identify cause of cooling failure and determine necessary repairs.
GRAFTON, WI 53024
