Experts Reviews · Company report
How 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.100SCOREPromax 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
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 heating system repair
Clear ✕Jobs reviewedHow many Google reviews are tagged with this job.4
★ 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.$1,000+
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$161–$1.2k
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 77/100.How Job match is calculatedBuilt only from reviews Google tagged “Heating system repair”: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.#65 / 87
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%
All 4 Google reviews tagged “Heating system repair”
JeffLocal Guide · 138 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. · 6 months ago★★★★★
Performed a comprehensive coast effective repair for my large whole furnance.
Paid $1,000+Reasonable priceHeating system repair
Bhaskar2 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. · 6 months ago★★★★★
Very prompt, arrived within 30mins of the call. Max the technician was very good and helpful.
Great priceHeating system repair
Amit9 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★★★★★
Professional, reliable and honest. Great work and installation with good price! Highly recommend.
Paid $700–800Reasonable priceHeating system repair
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
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
| Job | Reviews | Category typical |
|---|---|---|
| HVAC system repair | 18 | $205–$959 |
| Heating system installation | 11 | $1.4k–$2.8k |
| HVAC duct & vent installation | 8 | $1.2k–$2.8k |
| HVAC system maintenance | 7 | $37–$295 |
| Ductless heating & A/C services | 6 | $877–$2.4k |
| Install thermostat | 5 | $50–$437 |
| Install AC | 5 | $1.6k–$3.2k |
| Heating system repair | 4 | $161–$1.2k |
