Analyzing 7,135,4157.1M ReviewsFor 20,29120.3K Experts
We graded 4 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 3,241 Google reviews of 14 top-rated water heater repair nationwide; 4 of them in Watertown, WI. Updated November 2, 2026.
Pick the job — we re-rank companies by how customers rated that exact job.
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of water heater repair).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  R Plumbing IncWatertown, WI | A 88How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%89+48.5Reliability 24%92+22.3Value 14%77+10.9Replies to reviews 7%100+7.1Craft & service penalty95−0.5Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAABAA | 4.90 | $680 |
| 2 |  Jensen Plumbing, Heating & Air, Inc.Watertown, WI | A 87How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%87+47.5Reliability 24%82+19.9Value 14%97+13.7Replies to reviews 7%100+7.1Craft & service penalty93−0.7Experts Score= 87Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.89 | $340 |
| 3 |  Brisc PlumbingWatertown, WI | A 87How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%89+48.5Reliability 24%85+20.6Value 14%97+13.7Replies to reviews 7%82+5.8Craft & service penalty85−1.5Experts Score= 87Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.88 | $693 |
| 4 |  Pauli Plumbing IncWatertown, WI | B 60How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%60+32.7Reliability 24%63+15.3Value 14%99+14Replies to reviews 7%91+6.4Craft & service penalty96−0.4Momentum penalty21−7.9Experts Score= 60Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAADA | 4.56 | — |
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| Plumbing pipe repair | $314 | $460 | $1.1k | 97% |
| Drain cleaning | $264 | $353 | $495 | 100% |
| Water heater installation | $1.4k | $1.9k | $2.8k | 96% |
| Toilet repair | $209 | $317 | $410 | 97% |
| Plumbing leak detection | $145 | $245 | $396 | 95% |
| Toilet installation | $479 | $555 | $633 | 100% |
| Water heater repair | $302 | $745 | $1.0k | 100% |
| Heating system repair | $161 | $251 | $520 | 100% |
How the 4 water heater repair we rated in Watertown, WI compare, and what customers praise most.
A = score 80+, F = below 20.
Average stars per company.
Share of Google review highlights.
All price verdicts left with reviews.
Share calling it great / reasonable / overpriced.
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 4 best-rated water heater repair in Watertown, WI average 4.8★ on Google across 1,793 reviews. Jensen Plumbing, Heating & Air, Inc. has the top rating (4.9★). Updated October 31, 2026.
4 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (1,793 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Nate did a great efficient job of checking out the furnace for the winter. Another visit done well by your team of fine young folks. Sure glad to be your client. Technicians were knowledgeable, courteous and…” — Google review
“Benjamin and his patent partner showed up quickly. They replaced my water heater, removed the old one, and fixed a leaky tub fixture. Excellent job. Thank you.” — Google review
“R Plumbing was great! Quick service, very friendly, made sure and double checked the work was done correctly! We’d definitely call them again if needed!” — Google review
“Had them out to my house today. They were on time and had the job done in no time. I would recommend them to anyone needing any plumbing done!” — Google review
We scan Google Maps for water heater repair listings in and around Watertown, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Jensen Plumbing, Heating & Air, Inc. has the highest Google rating on our Watertown list: 4.9 out of 5 from 699 reviews (as of October 31, 2026).
Jensen Plumbing, Heating & Air, Inc. has the most Google reviews among the companies listed here: 699, with a 4.9★ average.
Only open Watertown-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Analyzing 7,135,4157.1M ReviewsFor 20,29120.3K Experts