Business Details
About
Heating ContractorPlumber
Thielmann Heating & Cooling has been providing trusted HVAC services across Southeastern Wisconsin since 1929. They specialize in heating, cooling, and indoor air quality systems for residential and commercial properties, offering installation, repair, and maintenance with a focus on reliability and customer satisfaction.
Location
Thielmann Heating, Cooling & Plumbing
17020 W National Ave, New Berlin, WI
53151, United States
Hours
Reviews
4.9
1,388 reviews
5 stars
1,336
4 stars
35
3 stars3
2 stars2
1 star12
What are people saying?
AI-generated from recent customer reviews
Professionalism
Technicians consistently demonstrated professionalism, being polite, knowledgeable, and courteous during service calls.
Efficiency
Customers praised the efficiency of the technicians, noting quick diagnoses and timely completion of work.
Communication
Technicians effectively communicated the issues and solutions, ensuring customers understood the work being done.
Customer Satisfaction
Many reviews highlighted overall satisfaction with the service, recommending the company for future needs.
Timeliness
Service appointments were generally punctual, with technicians arriving on time and keeping customers informed.
- BBBrett4 days ago5.0My furnace maintenance had a work window time slot from 10am to 1pm. Our technician Carlos arrived shortly after 11am! Advised that the maintenance may take 30 to 40 minutes. Carlos was very professional and courteous. After the furnace maintenance was completed in that given timetable. Carlos thoroughly answered my question about having our ducts cleaned and also advised of the benefit of adding ultraviolet light to our residential HVAC system. I was not aware that Thielmann did this type of work as well. I am very pleased to hear that this extra service is available. This appointment was actually rescheduled from Oct to November as the Front Office called about an urgent calls from the cold snap we had in September. With the agreement that we could reschedule at a later time that worked for both of us. The Thielmann Front Office offered a $10.00 discount. I was pleased with the communication that occurred a whole week prior to our original appointment. For our HVAC system we will always have Thielmann Heating being out go to. I highly recommend you do the same thing.
- MYMike Yohnk4 days ago5.0When my original HVAC guy retired, I went with another smaller company. It always took me at least three phone calls to get them out here to do the tuneup. And then went to another major local company, and every time they came out, they try to sell me additional services or repairs that weren’t needed. Then had Thielmann come out, as I got on their $96 furnace, tuneup, deal, and it was an awesome experience. The furnace is OK and needs no repair. Thank you for Jacob for making this a pleasurable experience! I think I found my new HVAC company!
- CMClaudia Meyer6 days ago5.0Josh worked a 7 yr difficulty into a solution during our tune up. He also explained information about furnaces that helped me understand my current system and the potential for efficiency in the future. I appreciated his skill, work ethic, and have his card so I can request him by name for future service.
- CDChristopher DashiellNov 15, 20255.0I usually do not write reviews but this is one that deserves to be written. We moved here from Texas this past spring. We researched many HVAC companies in Waukesha, WI and decided to try Thielmann Group. The technician who came to service our system was a gentleman named Todd. He saw some problems and fixed them. He serviced our system. He was very efficient and clean. He knew his stuff! He also told us about the maintenance plan. My wife and I discussed it and decided to go for it. We will be sticking with the Thielmann group and hope to see Todd again.
- JLJeb LuchtNov 13, 20251.0The technician was pleasant enough but what unable to diagnose my boiler ignition problem- literally saying “I don’t know what to tell you” and then tried settling up on a diagnostic fee. He got a little offended when I pressed him with “you didn’t diagnose anything and I still don’t have heat.” To those of you reading this- yes I paid him. He spent two hours testing things and a hundred dollars for a trip charge is fair. But no diagnosis and no follow up from him after consultation with a manager or Anyone is frustrating and leaves me with the feeling of lack of competence, respect, or integrity. Still disappointed and cold 🥶
Frequently Asked Questions About Thielmann Heating, Cooling & Plumbing
What services does Thielmann Heating, Cooling & Plumbing provide?
They specialize in heating, cooling, and indoor air quality system installation, repair, and maintenance for residential and commercial properties.
Where is Thielmann Heating, Cooling & Plumbing located?
They are located at 17020 W National Ave, New Berlin, WI 53151, USA.
What are the business hours of Thielmann Heating, Cooling & Plumbing?
They are open 24 hours a day, 7 days a week.
Since when has Thielmann Heating, Cooling & Plumbing been in business?
They have been providing HVAC services since 1929.
How can I contact Thielmann Heating, Cooling & Plumbing?
You can reach them by phone at +1 262-600-3027 or visit their website at https://thielmannheating.com/?utm_source=GMB&utm_medium=local&utm_campaign=New-Berlin.
What categories does Thielmann Heating, Cooling & Plumbing fall under?
They are categorized as a Heating Contractor and Plumber.
Are there any beauty salons near Thielmann Heating, Cooling & Plumbing where customers might consider visiting?
Yes, nearby beauty salons include Kaleidoscope, Hair by Lori, Spike's Creations, New Berlin Salon Studios, Salon CK & Co, Bella Salon & Spa, and Golden Spa. Customers could visit these for relaxation or grooming before or after their HVAC service appointments.
What schools are located near Thielmann Heating, Cooling & Plumbing?
Nearby schools include New Berlin Center Elementary School and Ronald Reagan Elementary School. Families might find it convenient to visit Thielmann while managing school-related activities.
Are there any home service or contractor businesses near Thielmann Heating, Cooling & Plumbing?
Yes, The Thielmann Group (hvac_services, contractor) and Engineered Security Solutions (home_security, contractor) are nearby. Customers can consider these for complementary home services.
What should customers know about the service area and time zone of Thielmann Heating, Cooling & Plumbing?
They serve Southeastern Wisconsin and operate in the America/Chicago time zone, ensuring timely service across this region.