Thielmann Heating, Cooling & Plumbing

5.0
448 reviews

About

Heating ContractorPlumber
The Thielmann Group knows no bounds. We have proudly been your heating and cooling experts in Southeast Wisconsin since 1929! We offer exceptional service to residential and commercial customers across southeast WI. When you turn to us for your furnace repair, air conditioning repair, or the installation of new equipment, you will have peace of mind knowing that we have spent nearly a century making Wisconsin homes comfortable. The Thielmann Group provides all your heating and cooling needs, air quality systems, sheet metal services, and repair of all makes and models of heating and cooling units. Generations of loyal customers turn to us for quality products and expertly performed installations.

Location

Thielmann Heating, Cooling & Plumbing
107 N Milwaukee St, Waterford, WI
53185, United States

Hours

Reviews

5.0
448 reviews
5 stars
444
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0
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What are people saying?

AI-generated from recent customer reviews

Customer Service

Technicians are consistently described as friendly, knowledgeable, and professional, providing excellent customer service.

Timeliness

Customers appreciate the punctuality of technicians, who often arrive on time and complete work efficiently.

Communication

Technicians effectively communicate the details of their work and answer customer questions thoroughly.

Quality of Work

The quality of service and installations is frequently praised, with many customers expressing satisfaction with the results.

Overall Experience

Many customers report a positive overall experience, recommending the company for its reliable service and professionalism.
  • DP
    Douglas Packard
    Oct 29, 2025
    5.0
    Nick K was Very nice to work with and explained everything he did and also made an appointment to have the boiler check for us. Very satisfied
  • MJ
    Monique Jahnke
    Oct 28, 2025
    5.0
    Ron B and Carlos were very professional and took the time to answer all of my questions. They did not rush through the job. I recommend this company.
  • KG
    Kristen Garey
    Oct 28, 2025
    5.0
    Andy is the best! So friendly, very thorough and explains everything in a way that is understandable for someone not in his field. Thanks for all of your help. We lost our water heater in the floods and they installed a reciprocating device, removed the water softener and converted our system to a tankless system.
  • LH
    Lori Hegarty
    Oct 28, 2025
    5.0
    Excellent customer service skills! Josh has a great friendly personality and very knowledgeable regarding all aspects of our heating system. Thank you Josh!
  • ST
    Sean T
    Oct 28, 2025
    5.0
    Ron was efficient, friendly and gave me confidence that he knew what he was doing. He also gave guidance in next steps for a long term solution. Thank you, Ron, for getting my hydronic system drained, cracked radiator removed / blinded off and the system back up and running so that I could have heat in my home again.

Frequently Asked Questions About Thielmann Heating, Cooling & Plumbing

What services does Thielmann Heating, Cooling & Plumbing provide?

Thielmann Heating, Cooling & Plumbing offers heating and cooling services including furnace and air conditioning repair, installation of new equipment, air quality systems, sheet metal services, and plumbing for residential and commercial customers.

Where is Thielmann Heating, Cooling & Plumbing located?

It is located at 107 N Milwaukee St, Waterford, WI, 53185, USA.