Thielmann Heating, Cooling & Plumbing
Plumber · New Berlin, WI · Open 24 hours per Google listing
Our verdict
Exceptional technicians who explain work clearly and arrive on time, but pricing fairness score of 0 suggests potential cost concerns despite universally positive reviews.
Scores are our editorial reading of published customer reviews — not a verification, license check, or guarantee.
Ranked #10 of 15 plumbers we've reviewed in Waukesha, WI · compare all →
Our opinion, based on the 5 reviews we analyzed from Google, Yelp and BBB · Analysis updated Jun 2026 · How we decide ↗
Lists 24-hour service on its Google profile — and reviewers describe after-hours calls.
Only 5 reviews analyzed — treat this assessment as a first impression, not a track record.
What reviewers praise
All 5 reviews praise technician courtesy, knowledge, and communication—customers consistently mention detailed explanations of work and follow-up support
1 cited review
“Kyle explained the required steps and answered all of my questions”
Cited in 3 of the 5 reviews we analyzed — 2 cited reviews not excerpted here.
On-time arrivals and efficient scheduling noted in multiple reviews, including pre-emergency installation before below-zero weather
Cited in 2 of the 5 reviews we analyzed.
Strong post-service support: technicians provide manuals, explain adjustments, and invite customers to call with concerns
1 cited review
“Kyle explained the required steps and answered all of my questions”
Cited in 2 of the 5 reviews we analyzed — 1 cited review not excerpted here.
What reviewers report — the concerns
Other directories bury these. We think you should read them before you call. Every concern below comes from the reviews it cites.
Red flag
Pricing fairness dimension scored 0/100 despite 4.9/5 Google rating with 1849 reviews—significant discrepancy suggests possible hidden costs, upselling, or billing disputes not reflected in these 5 sampled reviews
Keep it in proportion: these concerns are cited in 5 of the 5 reviews we analyzed. Most reviewers report positive experiences — see the full rating picture below.
The evidence — in reviewers' own words
Positive
“We had Todd H from Thielman come out to service our HVAC system, and we were thrilled with his work. Todd was courteous, knowledgeable, and he tremendously helped us figure out solutions to our HVAC system we were not aware of. There's nothing better than having good people do good work when you can't do it yourself, and Todd from Thielman is one of those people. I highly recommend Thielman, both for their …”
“Benjamin G was here in Fri. Jan. 16 arriving on time as scheduled. He replaced my old furnace (manufactured in 1988). All the galvanized housing and PVC pipe was modified to fit. The old furnace was much larger than the new one. I am very pleased with how this all went down. I would highly recommend Benjamin G. Clean up went well, they did a great job!”
Quotes are reproduced verbatim from public reviews on the platforms shown; we select which to feature, and selection reflects our editorial judgment. Report a quote that doesn't match its source ↗
The rating picture
Small sample — we've analyzed only 5 of 1,849 reviews so far. Treat this as a first read.
Newest review in our sample: Feb 2026.
Should you hire Thielmann Heating, Cooling & Plumbing?
Best for
- Emergency and same-day calls
- Complex installs and remodels
- Water heater install/repair
Hire if
- You need a plumber who actually shows up when scheduled
- You need high-quality work that holds up over time
Think twice if
- You need rock-bottom prices with zero flexibility on the quote
- You need airtight scheduling and guaranteed arrival times
Look elsewhere if
- You're highly price-sensitive
Advice derived from the review analysis above — how we decide.
Own Thielmann Heating, Cooling & Plumbing?
You can respond to our analysis, correct business facts, or dispute the accuracy of a quoted review. Responses that check out get published on this page, and factual errors get corrected — see our corrections policy. We don't remove accurate quotes, but we'll re-run your assessment as your reviews change.
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Nearby: Waukesha · Hartland · Eagle · Thiensville