Analyzing 6,529,9706.5M ReviewsFor 18,09818.1K Experts

Experts Reviews · Company report
Promax Service Group 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%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.100SCORE

Promax Service Group

Sunnyvale, CA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #6Position by Experts Score among all companies we track in this category. of 113 HVAC contractors · 5.0★ from 99 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: satisfaction and value; weakest: reliability.

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.Promax Service Group is better than 100% of HVAC contractors.A
100
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.Promax Service Group is better than 99% of HVAC contractors.A
99
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.Promax Service Group is better than —% of HVAC contractors.–
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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.Promax Service Group is better than 100% of HVAC contractors.A
100
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.Promax Service Group 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.Promax Service Group is better than —% of HVAC contractors.–
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Reviews for your job

Customers hired Promax Service Group for 8 kinds of job.

Promax Service Group for HVAC system maintenance

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.7
★ 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.$400–500
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$37–$295
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 78/100.How Job match is calculatedBuilt only from reviews Google tagged “HVAC system maintenance”: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.#86 / 98
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%

All 7 Google reviews tagged “HVAC system maintenance”

Linda3 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 months ago★★★★★

The technician was very polite did the job well and even put a new filter in my vent.

Paid $1–200Reasonable priceHVAC system maintenance
Clinton6 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 months ago★★★★★

Service was on time and professional

Paid $400–500Reasonable priceHVAC system maintenance
Oleksii3 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. · 7 months ago★★★★★

I had Promax Services helping me with A/C unit repairs. Very professional, punctual, knowledgeable for a reasonable price. Highly recommend

HVAC system repairHVAC system maintenance
Saikrishna4 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. · a year ago★★★★★

Totally satisfied with Promax work. Two rooms not cooling enough. Max showed up same day to troubleshoot and fixed next day. This dude knows stuff and very customer friendly. Highly recommend!

Reasonable priceHVAC system repairHVAC system maintenance
Nekruz4 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. · a year ago★★★★★

I rarely write reviews, but after the exceptional service I received from Promax Service Group, I felt compelled to share my experience. My HVAC system recently had an issue with the compressor, and I was struggling to find a reliable company to fix it. After calling around, Promax was the only company that not only…

Great priceHVAC system repairHVAC system maintenance
KostiantynLocal Guide · 36 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. · a year ago★★★★★

Max is the best!!! I had a heat pump and water heater installed and the service was great, everything was explained first on the phone by an operator and then when Max arrived he found the wiring that were prepared a lot of time ago that I didn’t even know existed and he and his helper did everything in a day, price…

Great priceHVAC system maintenanceHeating system repairA/C system repair
Henry3 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. · 5 months ago★★★★★

Rating only, no written review.

Paid $500–600Reasonable priceHVAC system maintenance

Price

$1.2k+274% 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 50%Reasonable 50%Overpriced 0%Not sure 0%

Jobs customers hired them for

JobReviewsCategory typical
HVAC system repair18$205–$959
Heating system installation11$1.4k–$2.8k
HVAC duct & vent installation8$1.2k–$2.8k
HVAC system maintenance7$37–$295
Ductless heating & A/C services6$877–$2.4k
Install thermostat5$50–$437
Install AC5$1.6k–$3.2k
Heating system repair4$161–$1.2k

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