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 55%95+51.8Reliability 24%97+23.5Value 14%88+12.4Replies to reviews 7%100+7.1Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.95SCOREDeljo Heating, Cooling & Plumbing
Joliet, IL · 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 10 boiler installers · 5.0★ from 426 Google reviews
Report card
Percentile vs other boiler installers (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 replies to reviews; 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.Deljo Heating, Cooling & Plumbing is better than 95% of boiler installers.A
95
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.Deljo Heating, Cooling & Plumbing is better than 97% of boiler installers.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.Deljo Heating, Cooling & Plumbing is better than —% of boiler installers.–
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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.Deljo Heating, Cooling & Plumbing is better than 88% of boiler installers.A
88
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.Deljo Heating, Cooling & Plumbing is better than 100% of boiler installers.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.Deljo Heating, Cooling & Plumbing is better than 100% of boiler installers.A
100
Reviews for your job
Customers hired Deljo Heating, Cooling & Plumbing for 8 kinds of job.
Deljo Heating, Cooling & Plumbing for install thermostat
Clear ✕Jobs reviewedHow many Google reviews are tagged with this job.1
★ 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.$2,000+
All 1 Google reviews tagged “Install thermostat”
Phil1 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 months ago★★★★★
Deljo has always been there when we needed service or maintenance on our HVAC systems. It was only natural that when it came time to upgrade our furnace and AC systems, they were our first, last and only choice.
Paid $2,000+Great priceInstallationHeating system installationInstall thermostat
Price
$383+68% vs typical boiler installers
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 19%Reasonable 69%Overpriced 2%Not sure 11%
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| HVAC system maintenance | 108 | $37–$264 |
| HVAC system repair | 95 | $145–$618 |
| A/C system maintenance | 63 | $39–$318 |
| A/C system repair | 21 | $216–$611 |
| Heating system maintenance | 16 | $37–$317 |
| Install AC | 12 | $1.6k–$3.2k |
| Heating system installation | 11 | $1.4k–$2.8k |
| Installation | 10 | — |
