The Best Leak Detection Services
We graded 44 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 44,057 Google reviews of 44 top-rated leak detection services nationwide. Updated November 5, 2026.
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Best leak detection services for HVAC system maintenance
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Chapman Heating, Air Conditioning, Plumbing and ElectricalHow Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”:Stars on this job 55%4.95★Number of such jobs 25%1013Overall Experts Score 20%90Job match= 94Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.94
Temperature Control, Inc. A/C-Heating & PlumbingHow Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”:Stars on this job 55%4.90★Number of such jobs 25%165Overall Experts Score 20%89Job match= 84Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.84
Temperature Control, Inc. A/C-Heating & Plumbing - Oro Valley, AZHow Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”:Stars on this job 55%5.00★Number of such jobs 25%23Overall Experts Score 20%96Job match= 83Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.83
Godby Heating Plumbing ElectricalHow Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”:Stars on this job 55%4.92★Number of such jobs 25%104Overall Experts Score 20%85Job match= 83Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.83
Busy Bee Plumbing, Heating, & Air ConditioningHow Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”:Stars on this job 55%4.91★Number of such jobs 25%123Overall Experts Score 20%86Job match= 82Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.82
Parthenon Plumbing, Heating, & AC RepairHow Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”:Stars on this job 55%5.00★Number of such jobs 25%16Overall Experts Score 20%88Job match= 80Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.80
Proven Plumbing & AirHow Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”:Stars on this job 55%4.94★Number of such jobs 25%33Overall Experts Score 20%87Job match= 80Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.80Job match = this company’s ★ on reviews Google tagged “HVAC system maintenance” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about HVAC system maintenance
Chapman Heating, Air Conditioning…I have decided to use Chapman as my 'go to' service for my HVAC and plumbing needs. I appreciate their responsiveness, communications, and being on time as to what they have scheduled for me. Thank you Chapman! It is good to know that I have a service that I can rely on, when needed.
Busy Bee Plumbing, Heating, & Air…Excellent service, and although they don't give you an EXACT appointment time, it's because they want to spend the appropriate time necessary with each customer and correct problems as they are found. Technician Chandler was awesome, explain everything thoroughly and in easy to understand terms and gave…
Chapman Heating, Air Conditioning…Michael was great to work with. He explained the maintenance steps being performed on our furnace. This PM service was provided as a part of our annual contract for HVAC and plumbing PM. Another great experience with Chapman Heating, Air Conditioning, Plumbing, and Electrical.
Chapman Heating, Air Conditioning…Earl performed the fall heating check up of our home's heat pump. He checked all aspects of the system and was very knowledgeable about the system's operation. He was very courteous in answering my questions and that was greatly appreciated. He also got a 5 star approval from our two dogs :). They both liked him a…
Chapman Heating, Air Conditioning…Chapman has been a great company. I started using them years ago when a different company told me I needed a whole new system. Not only was Chapman able to repair rather than replace; they found the part was still under warranty! Just recently while serving my a/c, technician Isaiah, found a problem in my furnace…
Chapman Heating, Air Conditioning…Michael came for an HVAC checkup and was professional, knowledgeable, and even helped troubleshoot an issue that he noticed in an area he wan't required to check. Would be pleased to work with him again.
Overall ratings
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 leak detection services).
| # | 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 |  Infinity Plumbing SolutionsCedar Park, TX | A 100How 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 59%100+58.7Reliability 26%99+25.8Value 15%100+15.2Experts Score= 100Not enough data for 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–AA– | 5.00 | $895 |
| 2 |  Penn Plumbing LLCSpeedway, IN | A 100How 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 59%100+58.7Reliability 26%99+25.8Value 15%100+15.2Experts Score= 100Not enough data for 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–AA– | 5.00 | $999 |
| 3 |  Good Clean Plumbing - Cedar ParkCedar Park, TX | A 99How 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 59%99+58.1Reliability 26%99+25.8Value 15%100+15.2Experts Score= 99Not enough data for 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–AA– | 4.99 | $600 |
| 4 |  All Pipes, LLCNashville, TN | A 98How 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 59%98+57.5Reliability 26%95+24.8Value 15%100+15.2Experts Score= 98Not enough data for 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. | AAAAA– | 4.98 | $529 |
| 5 |  Imperial PlumbingTucson, AZ | A 97How 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%96+23.3Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.95 | $529 |
| 6 |  Zing PlumbingTucson, AZ | A 97How 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 59%98+57.5Reliability 26%97+25.3Value 15%100+15.2Craft & service penalty90−1Experts Score= 97Not enough data for 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. | AAAAA– | 4.96 | $529 |
| 7 |  Benjamin Franklin Plumbing of Greater TucsonTucson, AZ | A 97How 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%97+52.9Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.96 | $478 |
| 8 |  Prime Plumbing & Drains, LLCSpeedway, IN | A 97How 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%96+23.3Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.97 | $154 |
| 9 | Temperature Control, Inc. A/C-Heating & Plumbing - Oro Valley, AZTucson, AZ | A 96How 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%95+23Value 14%99+14Replies to reviews 7%100+7.1Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.97 | $648 |
| 10 |  Jobe & Sons Plumbing- NorthwestTucson, AZ | A 96How 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%97+52.9Reliability 24%97+23.5Value 14%98+13.9Replies to reviews 7%84+5.9Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.97 | $379 |
| 11 |  Hydro Rooter & PlumbingTucson, AZ | A 96How 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%90+6.4Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.96 | $1.4k |
| 12 |  100 Percent PlumbingNashville, TN | A 95How 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%93+13.2Replies to reviews 7%100+7.1Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.97 | $498 |
What jobs cost
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 | $322 | $548 | $1.1k | 97% |
| Toilet repair | $176 | $340 | $656 | 92% |
| Plumbing leak detection | $78 | $248 | $630 | 96% |
| Drain cleaning | $161 | $295 | $493 | 95% |
| Water heater installation | $1.2k | $1.9k | $2.5k | 96% |
| HVAC system maintenance | $27 | $104 | $216 | 99% |
| Faucet repair | $166 | $351 | $529 | 95% |
| Plumbing leak repair | $227 | $441 | $807 | 94% |
| A/C system maintenance | $37 | $124 | $278 | 98% |
| Faucet installation | $292 | $454 | $593 | 95% |
| Water heater repair | $78 | $251 | $466 | 97% |
| Outdoor plumbing system repair | $441 | $855 | $1.5k | 95% |
Leak Detection Services at a glance
How the 44 leak detection services we rated compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A3886%
- Grade B511%
- Grade C12%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up2761%
- 4.80–4.89★1330%
- 4.60–4.79★25%
- Below 4.60★25%
What customers praise
Share of Google review highlights.
- Quality8,68620%
- Professionalism10,49124%
- Responsiveness9,17921%
- Punctuality8,85520%
- Value6,05714%
Was the price fair?
All price verdicts left with reviews.
- Great price1,85626%
- Reasonable4,43261%
- Overpriced3295%
- Not sure5998%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
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.