Thielmann Heating, Cooling & Plumbing can assist you with all your heating, ventilation, and air conditioning (HVAC) repair issues in Wauwatosa, Wisconsin. We want you to spend more time with your friends and family and enjoy your weekends and time off at the Hank Aaron Trails without worrying about the HVAC system in your house.
With over 90 years of experience, we can ensure your systems work efficiently for comfortable temperatures at your home or business.
For HVAC services in Wauwatosa, look no further than The Thielmann Group.
Same-Day Service (262) 299-6197
Our Expert Heating Services
Wauwatosa winters are no joke, and the last thing you want is a heating system that can’t keep up. We are experts in the following heating services:
- Fast, reliable heating repairs: A broken furnace or boiler can’t wait. Our technicians provide prompt service to restore heat to your home.
- New heating system installations: If your heating system is outdated, we can install a high-efficiency option that improves comfort and lower energy costs.
- Preventive heating maintenance: Regular checkups help prevent unexpected breakdowns, keep your system running smoothly and extend its life span.
Our furnace repair technicians are ready to promptly restore your heat. We know the urgency of “no heat” situations during Wisconsin winters. Our NATE-certified technicians can visit you 24/7 for HVAC emergencies — not including plumbing service — and can service and repair all system makes and models.
Air Conditioning Repairs, Maintenance & Installation for a Comfortable Wauwatosa Home
Summers in Wauwatosa can be relentless, but your home should always be a refreshing escape. Our air conditioning services help keep your space cool and comfortable when temperatures rise.
- Air conditioner repair services: If your air conditioner is struggling, we’ll diagnose the issue and return it to peak performance.
- New AC Installation: We install modern, energy-efficient air conditioning systems for better cooling and lower energy bills.
- Routine AC maintenance: A well-maintained system runs more efficiently, prevents costly repairs, and lasts longer.
Dependable Plumbing Services in Wauwatosa
Plumbing issues can be a major hassle, but we make fixing them easy. Our professional plumbing services cover everything from minor leaks to major installations.
- Repairs and installations: From leaky faucets to new water heaters, we handle all your plumbing needs with expert care.
- Water conditioning solutions: Improve your home’s water quality for better-tasting and cleaner water.
- Sump pumps and pipe repairs: Prevent water damage and keep your plumbing system in top shape.
- Hose bib services: We replace faulty hose bibs to prevent damage to your home’s foundation, including three common types — standard, ball valve and frost-free.
A Plan for Extra Peace of Mind
Want extra peace of mind? Our maintenance plan includes annual tuneups and a water quality analysis to help prevent costly surprises. You’ll also get priority scheduling, a 15% discount on repairs and expert maintenance scheduling handled for you.
Why Wauwatosa Chooses Thielmann Heating, Cooling & Plumbing
For nearly a century, homeowners in Wauwatosa have trusted us to keep their homes comfortable and running smoothly. Here’s why:
- Licensed and insured: Your home is in expert hands.
- Five-star service: We put our customers first and deliver top-notch workmanship.
- Flexible financing: We can provide budget-friendly options through our financing partners.
- Commitment to quality: Our team does the job right the first time.
Comfort Starts Here
From chilly winter nights to sweltering summer afternoons, our expert team is here to help with reliable heating, cooling and plumbing solutions. Whether you need fast heating repairs, an air conditioning upgrade or trusted plumbing services, we’ve got you covered.
Call our technicians at (262) 384-6407 to book an appointment. A comfortable, worry-free home is just a call away.
Read Reviews by Our Customers
Recent Jobs and Reviews in Wauwatosa, WI
Job Locations and Reviews
Todd H.
Conducted scheduled preventative maintenance visit on HVAC system. Tested ambient temperature conditions with UEi digital meter, confirming normal operation at 75°F. All parameters within acceptable ranges; no issues detected requiring remediation.
Wauwatosa, WI 53226
Makinze C
Performed full inspection and combustion analysis on Lennox furnace system. Gas analyzer readings showed CO levels at 255 ppm and CO AF at 611 ppm, with combustion efficiency at 96.0%. System includes proper PVC exhaust/intake ventilation and additional air quality component installed alongside main furnace unit.
Wauwatosa, WI 53226
Makinze C
Performed combustion analysis on heating system using Testo 310 gas analyzer, documenting flue gas readings including stack temperature (293.2°F), oxygen (7.0%), CO (10 ppm), and efficiency (44.8%). Inspected burner assembly and verified proper flame characteristics with three blue flames visible through heat exchanger tubes, indicating normal operation after addressing the no heat complaint.
Wauwatosa, WI 53213
Jason G.
Performed visual assessment of existing HVAC system in basement utility area. Current unit is an aging beige/tan furnace with standard vertical design and connected ductwork. System evaluation indicates replacement is recommended with appropriately sized equipment to ensure optimal performance and efficiency for the home.
Wauwatosa, WI 53226
Kevin P.
Performed routine maintenance on residential boiler system, which included inspection of heat exchanger, control panel functioning (confirmed 140°F operating temperature), and examination of all electrical components. Checked plumbing connections throughout the hydronic system, inspected expansion tank and water treatment equipment, and verified proper operation of pressure regulation valve. All components functioning within normal parameters.
Wauwatosa, WI 53213
Kevin P.
Performed inspection and documentation of plumbing infrastructure in unfinished basement utility area. Examined copper piping system including valve connections and control components. Verified proper installation of water heater/tank and noted all visible plumbing runs through ceiling joists (copper and PVC) were in serviceable condition.
Wauwatosa, WI 53222
Makinze C
Conducted a comprehensive tune-up of the Payne furnace system in utility room. Inspected interior duct surfaces, noting light dust accumulation and minor corrosion on metal seams. Cleaned components, tested operation, and confirmed proper exhaust ventilation through PVC piping.
Wauwatosa, WI 53222
Dave V.
Conducted comprehensive assessment of aging residential HVAC system in basement utility room. Recommended full replacement of existing furnace unit showing warning indicators and visible wear. System inspection revealed outdated ductwork configuration that would benefit from redesign during replacement to improve airflow efficiency.
Wauwatosa, WI 53213
Todd H.
Performed comprehensive HVAC tune-up including diagnostic testing with digital measurement equipment. System evaluation showed all parameters within normal operating ranges. No issues were identified during the inspection and service.
Wauwatosa, WI 53213
Dave V.
Conducted a thorough assessment of the existing electrical panel and HVAC system for mini-split installation feasibility. Documented the panel's capacity and current breaker configuration to determine appropriate electrical requirements for the proposed mini-split system. Evaluated basement utility area for optimal condensate line routing and potential mounting locations for indoor air handler and outdoor condenser unit.
Wauwatosa, WI 53213
Josh V.
Diagnosed and serviced 10+ year old HVAC system with no heat complaint. Inspection revealed failed ignition assembly preventing proper furnace operation. Replaced ignition module and cleaned flame sensor to restore proper heating function, then performed complete system test to verify normal operation.
Wauwatosa, WI 53213
Kyle L.
Conducted inspection of bathroom plumbing fixtures and identified corrosion on the metal floor flange where supply line connects to fixture. Observed metallic braided water supply line with hexagonal nut connection to shut-off valve showing signs of mineral deposits. Documentation completed with photographic evidence for reference.
Wauwatosa, WI 53213
Ron B.
Performed preventative maintenance on NTI boiler system showing operating temperature of 179°F. Inspected expansion tank, pressure gauge, and associated copper piping network for proper function. System appears to be operating within normal parameters with minor moisture noted near floor drain that will require monitoring.
Wauwatosa, WI 53213
Michael Y.
Conducted site assessment for HVAC replacement, including detailed measurements and sketches of the installation area. Documented existing electrical connections on exterior brick wall, noting ABB electrical box and junction box configuration. Observed evidence of wall deterioration that will need to be addressed during installation. Proposed system specifications were calculated based on square footage and building requirements.
Wauwatosa, WI 53222
Adriel H.
Performed comprehensive tune-up service on an AIRE-FLO furnace system in basement. Opened unit to inspect internal components including control board, wiring harnesses, and motor assembly. Verified proper function of ventilation system with particular attention to the PVC exhaust pipes and gas line connections.
Wauwatosa, WI 53213
Kevin P.
Diagnosed system failure traced to control board malfunction evident from error code displayed on LED panel. Replaced faulty circuit board, verified proper wire connections matching original configuration, and confirmed successful system operation with normal heating function restored.
Wauwatosa, WI 53222
Jim K.
Completed installation of insulated cylindrical metal ductwork in exposed ceiling area, properly securing between wooden joists during ongoing renovation. System was carefully integrated with existing electrical components while maintaining proper clearances in the construction zone.
Wauwatosa, WI 53213
Derik B
Performed inspection and service on plumbing infrastructure in utility area. Identified corrosion on copper piping connection to Caleffi brass valve/regulator assembly. Documented condition of PVC pipe junctions and metal fixtures in crawlspace/ceiling area for future maintenance recommendations.
Wauwatosa, WI 53213
Gabriel S.
Inspected and installed new recirculation pump for residential hot water system. Completed copper pipe connections with brass fittings and ensured proper mounting against basement wall. System tested for functionality and proper operation before completion.
Wauwatosa, WI 53226
Gabriel S.
Installed new sump pump system in basement, including proper PVC discharge piping and electrical connections to control unit. Removed debris from sump pit and verified proper operation of the system with successful water evacuation.
Wauwatosa, WI 53225
