Analyzing 9,848,2429.8M ReviewsFor 27,74827.7K Experts

Experts Reviews · Company report
Comfort Zone Service 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 55%95+51.8Reliability 24%93+22.5Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.96SCORE

Comfort Zone Service

Joliet, IL · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #4Position by Experts Score among all companies we track in this category. of 10 boiler installers · 5.0★ from 394 Google reviews

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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: craft & service 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.Comfort Zone Service 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.Comfort Zone Service is better than 93% of boiler installers.A
93
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.Comfort Zone Service is better than 100% of boiler installers.A
100
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.Comfort Zone Service is better than 100% of boiler installers.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.Comfort Zone Service 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.Comfort Zone Service is better than 100% of boiler installers.A
100

Reviews for your job

Customers hired Comfort Zone Service for 8 kinds of job.

Comfort Zone Service for heating system repair

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.17
★ 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+
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$78–$745
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 89/100.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.#6 / 9
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%

All 17 Google reviews tagged “Heating system repair”

ChriStine3 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. · 2 weeks ago★★★★★

Quick, efficient Got my heat working again!

Heating system repair
Bob1 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. · Edited 3 weeks ago★★★★★

1 We had an issue with our furnace starting. Tim came over to check things out and within a short time, he had the furnace running like new. He was professional, courteous and efficient. Thanks Tim 2 We needed help finding out what was making a strange noise in our furnace. Josh came out, assessed the unit,…

Paid $2,000+Reasonable priceHeating system repairHeating system installation
Matthew12 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. · Edited 4 weeks ago★★★★★

Josh provided excellent customer service

CleaningHVAC system maintenanceA/C system maintenance+ Punctuality+ Quality+ Professionalism
CaseyLocal Guide · 22 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. · 2 months ago★★★★★

I have hired Comfort Zone twice over the past year. Last winter they replaced my furnace same day and today they tuned up both of my ACs after having cooling issues. Josh was the tech who came out both times. He’s very transparent, professional, and goes out of his way to explain things. I am nothing but impressed…

Paid $2,000+Reasonable priceA/C system maintenanceHeating system repairA/C system repair
JimLocal Guide · 46 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★★★★★

We replaced our 17-year-old Carrier furnace with another Carrier furnace and have a WIFI thermostat installed. Everyone from the front desk to the techs who came out were all very courteous, kind, professional. Pictures shown are of the old furnace, the new furnace with some of the original equipment left…

Customer photo from Jim's reviewCustomer photo from Jim's reviewCustomer photo from Jim's reviewCustomer photo from Jim's review
Heating system repairHeating system installation
Carole3 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 years ago★★★★★

Cannot say enough about the ComfortZone Service. Their techs, Brendan & Chad, arrived promptly. They not only repaired my furnace issues, cleaned the furnace, & discovered a problem that I was unaware of that was causing problems. After repairing the issues; they did not try to sell me anything or upgrade anything —…

CleaningHVAC system maintenanceHeating system repair+ Responsiveness+ Punctuality+ Quality
eleanorLocal Guide · 64 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 years ago★★★★★

They were amazing. Great to deal with and did excellent work. Saved us from the cold and everything was done as promised from both a cost and time perspective. THANK YOU. Highly recommend!!

Heating system repair+ Responsiveness+ Punctuality+ Quality
Bruce4 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. · Edited 4 months ago★★★★★

Rating only, no written review.

Paid $1,000–1,200Not sureHeating system repair+ Responsiveness+ Quality+ Value
Corey9 months ago★★★★★

Rating only, no written review.

Paid $100–200Great priceHVAC system repairHVAC system maintenanceHeating system repair
George5 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. · Edited 3 years ago★★★★★

Rating only, no written review.

A/C system maintenanceHeating system repair+ Responsiveness+ Punctuality+ Quality
Eric3 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.

Heating system repair+ Responsiveness+ Punctuality+ Quality
Kushtar4 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.

Heating system repairThermostat installation+ Responsiveness
Rebecca5 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. · Edited 4 years ago★★★★★

Rating only, no written review.

Heating system maintenanceHeating system repair
Leslie1 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★★★★★

Rating only, no written review.

InstallationHeating system repair+ Responsiveness+ Punctuality+ Quality
Debbie7 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. · Edited 4 years ago★★★★★

Rating only, no written review.

Heating system repair
Nicole2 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★★★★★

Rating only, no written review.

Heating system maintenanceHeating system repair+ Responsiveness+ Punctuality+ Quality
Monica2 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 years ago★★★★★

Rating only, no written review.

Heating system repair+ Responsiveness+ Punctuality+ Quality

Price

$248+9% 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 38%Reasonable 54%Overpriced 2%Not sure 6%

Jobs customers hired them for

JobReviewsCategory typical
HVAC system maintenance105$37–$264
A/C system maintenance48$39–$318
HVAC system repair42$145–$618
Heating system maintenance31$37–$317
Heating system installation27$1.4k–$2.8k
Heating system repair17$78–$745
Cleaning17$135–$484
Install AC17$1.6k–$3.2k

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