Analyzing 6,495,9256.5M ReviewsFor 17,98218K Experts
We graded 9 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 8,123 Google reviews of 24 top-rated tank installation nationwide; 9 of them in Greenville, NC. Updated November 1, 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 tank installation).
| # | 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 |  Roto-Rooter Plumbing & Water CleanupGreenville, NC | A 94How 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 69%95+65.8Reliability 31%93+28.6Experts Score= 94Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–––– | 4.91 | — |
| 2 |  Bennie A Moore Septic Tank ServicesGreenville, NC | A 93How 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%96+52.4Reliability 24%94+22.8Value 14%100+14.1Replies to reviews 7%48+3.4Craft & service penalty99−0.1Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.93 | $472 |
| 3 |  Plumbs Up Plumbing - Greenville, NCGreenville, NC | A 90How 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%91+49.6Reliability 24%92+22.3Value 14%100+14.1Replies to reviews 7%68+4.8Craft & service penalty87−1.3Experts Score= 90Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.88 | $429 |
| 4 |  NuBlue Electric, Plumbing and AirGreenville, NC | A 80How 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%83+45.3Reliability 24%77+18.7Value 14%90+12.7Replies to reviews 7%51+3.6Craft & service penalty94−0.6Experts Score= 80Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAC | 4.83 | $556 |
| 5 |  Roger's Septic Tank ServicesGreenville, NC | B 74How 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%74+40.4Reliability 24%73+17.7Value 14%73+10.3Replies to reviews 7%82+5.8Craft & service penalty98−0.2Experts Score= 74Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBABAA | 4.52 | $414 |
| 6 |  Mr. Rooter Plumbing of GreenvilleGreenville, NC | B 73How 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%81+44.2Reliability 24%91+22.1Value 14%47+6.6Replies to reviews 7%13+0.9Momentum penalty97−0.3Experts Score= 73Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–CAF | 4.81 | $542 |
| 7 |  Delcor Inc. Heating Cooling PlumbingGreenville, NC | B 73How 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%75+40.9Reliability 24%60+14.5Value 14%100+14.1Replies to reviews 7%72+5.1Craft & service penalty81−1.9Experts Score= 73Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAAAB | 4.70 | $274 |
| 8 |  Mr. Rooter Plumbing of Pitt CountyGreenville, NC | B 71How 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%75+40.9Reliability 24%72+17.5Value 14%85+12Replies to reviews 7%26+1.8Craft & service penalty84−1.6Experts Score= 71Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAAAD | 4.70 | $529 |
| 9 |  Accurate PlumbingGreenville, NC | C 55How 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%67+36.5Reliability 24%56+13.6Value 14%89+12.6Replies to reviews 7%10+0.7Craft & service penalty17−8.3Experts Score= 55Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCFAAF | 4.53 | — |
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 | $295 | $453 | $755 | 96% |
| Drain cleaning | $276 | $366 | $493 | 94% |
| Plumbing leak detection | $172 | $394 | $888 | 98% |
| Toilet repair | $227 | $322 | $585 | 95% |
| Water heater installation | $1.2k | $1.9k | $2.5k | 97% |
| Plumbing leak repair | $209 | $393 | $680 | 96% |
| Outdoor plumbing system repair | $479 | $1.1k | $1.9k | 98% |
| Faucet installation | $352 | $548 | $1.8k | 98% |
| Faucet repair | $228 | $325 | $858 | 96% |
| Sewer repair | $503 | $932 | $1.9k | 94% |
| HVAC system maintenance | $78 | $228 | $420 | 95% |
| Water heater repair | $402 | $478 | $591 | 94% |
How the 9 tank installation we rated in Greenville, NC 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 9 best-rated tank installation in Greenville, NC average 4.7★ on Google across 4,231 reviews. Plumbs Up Plumbing - Greenville, NC has the top rating (4.9★), and NuBlue Electric, Plumbing and Air has the most reviews (2,031). Updated October 28, 2026.
9 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (4,231 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“brb too busy using my brand new hot water heater to type. In all seriousness, this is the only company that when I called, they did not ask me to speak to the homeowner. The service was earlier than scheduled and…” — Google review
“This was the first time using this Company and we were very pleased with both the Tech’s Ryan and Wade both were very nice, friendly and professional and answered all our questions. They were on time within their…” — Google review
“I had a septic emergency and Moore’s responded quickly. Our technician Kip was extremely helpful. We have an old septic tank and it was a struggle initially finding the clean out. He didn’t give up and got the job…” — Google review
“I had a minor problem with my bathroom sink. I contacted Roto Rooter of Greenville NC and my technician was Jon. Jon was so polite, very knowledgeable of his job. He fully explained what was going on and he fixed…” — Google review
“I called Mr Rooter for maintenance on my thankless water heater at about noon time service man responded ln about 35 min.clean and serviced unit job was completed in 1 hrs. I am very satisfied with the services I…” — Google review
“I called and 52min later and very polite, knowledgeable, reassuring young man showed up and fixed my leaking toilet in under a minute tbh. He even offered to take off his boots without me having to ask. I thought…” — Google review
“Called and they got us into the schedule the same day. Overall I feel the price was fair. The guy who came out was on time, called ahead of time to confirm he was on his way, and left the work area as clean as he…” — Google review
“Explained everything in great detail. Was patient and kind even when I was not being the most easy to work with customer. Would work with again, appreciated everything that they did!” — Google review
“Arrived on time to perform maintenance on septic tank. Was professional, neat and worked very efficiently. Provided excellent information/communication through texts and email.” — Google review
We scan Google Maps for tank listings in and around Greenville, 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.
Plumbs Up Plumbing - Greenville, NC has the highest Google rating on our Greenville list: 4.9 out of 5 from 305 reviews (as of October 28, 2026).
NuBlue Electric, Plumbing and Air has the most Google reviews among the companies listed here: 2,031, with a 4.8★ average.
Only open Greenville-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 6,495,9256.5M ReviewsFor 17,98218K Experts