Analyzing 6,573,0126.6M ReviewsFor 18,19818.2K Experts

Experts Reviews · Company report
United HVAC, Plumbing & Electrical logoHow 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%90+13.7Craft & service penalty99−0.1Experts Score= 96Not 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.96SCORE

United HVAC, Plumbing & Electrical

Sunnyvale, CA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #42Position by Experts Score among all companies we track in this category. of 113 HVAC contractors · 5.0★ from 135 Google reviews

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Report card

Percentile vs other HVAC contractors (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and craft & service; weakest: value.

SatisfactionSatisfaction · 54% of the scoreRecency-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.United HVAC, Plumbing & Electrical is better than 98% of HVAC contractors.A
98
ReliabilityReliability · 24% of the scoreHow 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.United HVAC, Plumbing & Electrical is better than 97% of HVAC contractors.A
97
Craft & serviceCraft & service · 0% of the scoreGoogle 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.United HVAC, Plumbing & Electrical is better than 99% of HVAC contractors.A
99
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.United HVAC, Plumbing & Electrical is better than 90% of HVAC contractors.A
90
MomentumMomentum · 0% of the scorePenalises 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.United HVAC, Plumbing & Electrical is better than 100% of HVAC contractors.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow 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.United HVAC, Plumbing & Electrical is better than —% of HVAC contractors.–
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Reviews for your job

Customers hired United HVAC, Plumbing & Electrical for 8 kinds of job.

United HVAC, Plumbing & Electrical for drain cleaning

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.9
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).5.00
Usually paidThe price range customers picked most often for this job.$300–400
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$161–$429
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 83/100.How Job match is calculatedBuilt only from reviews Google tagged “Drain cleaning”:Stars on this job 55%Number of such jobs 25%Overall Experts Score 20%Stars are pulled toward the category average 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.#9 / 18

All 9 Google reviews tagged “Drain cleaning”

Helen5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 8 months ago★★★★★

United HVAC & Plumbing’s technicians were professional and good communicators. They came when scheduled and diagnosed our plumbing issues quickly and thoroughly. The team worked quietly, quickly, and cleanly to replace a long kitchen drain and a leaking toilet. Both repairs are working well and are improvements in…

Drain cleaningPlumbing pipe repairToilet installation
David1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 9 months ago★★★★★

After Christmas Eve 2025, both of my bathroom sinks (Master and Guest, sharing the same wall) stopped draining. I tried chemical drain cleaner and even a drill powered auger, but neither worked. I searched online for plumbing companies in Fremont, CA, and United HVAC Plumbing & Electrical came up as one of the…

Paid $300–400Reasonable priceDrain cleaning
Tom6 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 10 months ago★★★★★

Alton was our plumber. He was very professional and knowledgeable… keep in mind this was a Sunday afternoon… he responded quickly and efficiently expedited repairs. I would use the company again and recommend to friends and family… and you of course!!!

Drain cleaning
Fan4 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

I had a water backflow issue in my kitchen sink on the 2nd floor when I use water on the 3rd floor. I got response from United Plumbing very quickly. Beck came to my home and did a great job in debugging the issue and cleaning the plumbing. The whole work took about 2 hours and the price is quite reasonable. Now the…

Drain cleaning+ Responsiveness+ Punctuality+ Quality
kaosun6 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

工作人員服務品質好工作賣力

Drain cleaning+ Quality
Haidilao2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

Our restaurant has been in constant contact with this company for plumbing repairs and related issues. The customer service staff has been very accommodating, and the technical team arrives promptly and provides excellent repair services.

Plumbing leak detectionPlumbing pipe repairSewer cleaning+ Responsiveness+ Punctuality+ Quality
Soichi3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 years ago★★★★★

I have seen a lot of poor quality plumbers in the past but these guys are very professional, detail oriented and trustworthy. Highly recommend!

Drain cleaning+ Responsiveness+ Punctuality+ Quality
Vinaya1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 years ago★★★★★

Great team, and very professional. And highly responsive. We had used them for our home earlier - and had a similar experience.

Drain cleaning+ Responsiveness+ Punctuality+ Quality
abhay9 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

Rating only, no written review.

Drain cleaning+ Responsiveness+ Punctuality+ Quality

Price

$549+67% vs typical HVAC contractors

Bar = middle half of what customers paid · gold mark = category median.

Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Great price 15%Reasonable 69%Overpriced 8%Not sure 8%

Jobs customers hired them for

JobReviewsCategory typical
Drain cleaning9$161–$429
Water heater installation7$1.2k–$2.8k
Plumbing pipe repair6$251–$1.2k
Sewer repair4—
Plumbing leak repair3—
Plumbing leak detection3$57–$478
Toilet installation2—
Toilet repair2$176–$517

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