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%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.96SCOREComfort 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
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.
Reviews for your job
Customers hired Comfort Zone Service for 8 kinds of job.
Comfort Zone Service for cleaning
Clear ✕All 17 Google reviews tagged “Cleaning”
Josh provided excellent customer service
Easy experience and very knowledgeable. We have used them at our last 2 homes b
This Company is Outstanding! Been with comfort Zone for several years now and I couldn’t be happier! Molly is always a great voice to hear when scheduling. You don’t have to wait days for a service call/call back, they are flexible with your schedule, and always on time with a curtsy heads up before they arrive.…
Couldn't be happier! Glen was efficient, honest, and friendly! I'll definitely be using Comfort Zone Service in the future and sharing their information with others.
Excellent job as always Josh the technician did a great job on showing me everything thing he did on this service call
Chad is so trustworthy and polite. We have used this family owned business for 4 years and would never consider changing. Always honest and fair. Always on time and prompt. Never any surprises. They never try and sell us something we don’t need.
He was very professional and polite. Enjoyed his conversation while working.
Brenden and Marco installed a new high efficiency Carrier furnace, Aprilaire Humidifier and a Respicaire Air Sanitizer. The dual stage furnace, Aprilaire with its own blower and the Air Sanitizer work perfectly. A beautiful installation. Top quality professionals. Comfort Zone has been our HVAC EXPERTS for several years. Emil and Jill thank you!
Service tech was very polite and knowledgeable
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 —…
Comfort Zone continually keeps you updated as to when the appointment is and when the technician is on the way! Chad was professional and attentive to the issues we were having. Fixed our heating issues that had been going on 2 years! So glad to have his help in the low temps we are experiencing currently and…
Rating only, no written review.
Rating only, no written review.
Rating only, no written review.
Rating only, no written review.
Rating only, no written review.
Rating only, no written review.
Price
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.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| HVAC system maintenance | 105 | $37–$264 |
| A/C system maintenance | 48 | $39–$318 |
| HVAC system repair | 42 | $145–$618 |
| Heating system maintenance | 31 | $37–$317 |
| Heating system installation | 27 | $1.4k–$2.8k |
| Heating system repair | 17 | $78–$745 |
| Cleaning | 17 | $135–$484 |
| Install AC | 17 | $1.6k–$3.2k |
