Kotz Heating, Cooling and Plumbing
Plumber · Waterford, MI · Open 24 hours per Google listing
Our verdict
Excellent workmanship and responsiveness with standout technicians, but one catastrophic misdiagnosis created a safety hazard and pricing fairness is inconsistent.
Scores are our editorial reading of published customer reviews — not a verification, license check, or guarantee.
Ranked #4 of 15 plumbers we've reviewed in Southfield, MI · compare all →
Our opinion, based on the 5 reviews we analyzed from Google, Yelp and BBB · Analysis updated Jul 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
Skilled technicians who exceed expectations: 3 of 5 reviews specifically praise individual techs (Chase, Molly, Christian) for going above and beyond, solving complex problems, and providing helpful recommendations.
2 cited reviews
“Tech took it all in stride and did an excellent job.”
“Technicians are consistently professional, knowledgeable, and courteous.”
Cited in 3 of the 5 reviews we analyzed — 1 cited review not excerpted here.
Professional and courteous communication: 2 reviews highlight consistent professionalism and knowledgeable advice without pressure for unnecessary services.
1 cited review
“Technicians are consistently professional, knowledgeable, and courteous.”
Cited in 2 of the 5 reviews we analyzed — 1 cited review not excerpted here.
Handles difficult conditions and scope changes smoothly: 1 review documents tech adapting to poor work access and successfully expanding the job scope without resistance.
1 cited review
“Tech took it all in stride and did an excellent job.”
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
Dangerous misdiagnosis in safety-critical scenario: 1 review describes wrong diagnosis of water line issue next to furnace, missed hissing noise from furnace, which led to electrical fire hazard requiring fire department intervention. Water was dripping onto furnace power outlet causing smoke.
Cited in 1 of the 5 reviews we analyzed.
Pricing fairness concerns: 1 review reports $169 diagnostic charge with refusal to return at no charge for a misdiagnosis, and threat of same/higher charges on return visit.
Cited in 1 of the 5 reviews we analyzed.
Poor customer service recovery: When contacted after service failure, 1 review documents dismissive tone, staff talking over customer, and refusal to escalate to owner despite safety issue.
Cited in 1 of the 5 reviews we analyzed.
Keep it in proportion: these concerns are cited in 1 of the 5 reviews we analyzed. Most reviewers report positive experiences — see the full rating picture below.
The evidence — in reviewers' own words
Critical
“I never thought I’d have to write a negative review for a company, but I truly feel that people in Waterford should be aware of the kind of customer service they may receive from Kotz. Do not call this company. I had what should have been a very simple issue: a small waterline problem in my basement, right next to my furnace — not upstairs, not complicated, and easily accessible. They sent both a plumber and an …”
Positive
“Kotz delivered what was asked for and more. Original request was for one ball valve to replace an old turning valve and outdoor spigot replacement. After arriving the wife and I decided to do both spigots and tech was able to take care of both with no issue. Area was very difficult to get to due to another company drywalling and leaving no access. Tech (Chase) took it all in stride and did an excellent job along …”
“We have been extremely satisfied with the service and maintenance relationship provided by Kotz. The technicians they send are consistently professional, knowledgeable, and courteous. They identify equipment inconsistencies, offer valuable recommendations, and only recommend necessary services. We have been fortunate to work with many skilled technicians, but Molly stands out as our preferred technician. Molly is a …”
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 5,194 reviews so far. Treat this as a first read.
Newest review in our sample: Jun 2026.
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