HVAC company · New Berlin, WI
Thielmann Heating, Cooling & Plumbing
4.9 from 1,999 Google reviews#2 of 60 HVAC companies near New Berlin Last updated Sep 25, 2026
82SCORE
At a glance
- Trades
- HVAC, Plumbing
- Address
- 17020 W National Ave, New Berlin, WI 53151
How the 82 score breaks down
Rating quality40.4 / 45
Review volume23.7 / 25
Review recency15.0 / 15
Years in business2.5 / 10
Verified license0.0 / 5
Scores are calculated the same way for every company. See the method.
What customers say
5★1,926
4★42
3★5
2★6
1★20
Rich did a tuneup of my boiler. excellent service !
Google review, Sep 24, 2026
Today was a good listener
Google review, Sep 23, 2026
Very good workers. Could not have asked for anyone better. Did a Great in a timely manner. I know if I ever need any more plumbing work done I know who to call. Thank you for a job well done Gabriel and your assistant.
Google review, Sep 23, 2026
Rating distribution and reviews from the company's public Google listing.
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