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 a/c system maintenance
Clear ✕All 48 Google reviews tagged “A/C system maintenance” · showing 20
The company is 5 stars all the way around. From the group that takes the call down to Julian the technician. On time, informative and pleasant to work with.
I've used Comfort Zone for many years. Professional, courteous, knowledgeable, always on time. I highly recommend Comfort Zone for reassuring service and safety.
Josh provided excellent customer service
Josh was curtious and informative. Answered all my questions and got the furnance cleaned and checked out the vitals to see if within specs. Great job Josh.
Very happy with the maintenance work. Very thorough work.
Jordan did an excellent job. Very knowledgeable and explained everything clearly.
The company was great! They actually were running ahead of schedule and called me first thing to make sure I was ok with them coming earlier. Josh was detailed and explained everything to me. He worked efficiently and fast. He sold me on continued business and I would recommend them to anyone.
They always do a great job!
Josh was great. He came out to service my air conditioner and furnace. He was very friendly and helped me understand the problem and how to fix it. He took the time to explain the situation and assess the best options for the future. I highly recommend!
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…
Service man knew what doing! Very meticulously
Josh did a wonderful job explaining everything he found and how he was going correct it.
Josh provided a comprehensive explanation and shared his thoughts, which I greatly appreciate. Overall, it was a positive experience.
I had Josh out today from Comfort Zone for routine maintenance on my central air unit. The company sent text messages with his picture ahead of time with estimated time of arrival. He was extremely nice, professional and respectful. He also ended up having to go into my crawl space to check on ductwork and had to…
Jordan was fantastic! He was polite and took the time to answer all of my questions. He came prepared, took pictures of the work he did. He thoroughly.explained what was wrong and how it was fixed. Very friendly, professional and hard working. I highly recommend him for any heating or air conditioning job you need…
Our technician, Josh Berg was great! He was professional, friendly, respectful of our home, thorough and informative. We decided to sign up for the Comfort Club and Josh explained all the options and answered our questions. He suggested, without pressure, a surge protector for the ac unit which we also decided to…
Jacob was great coming and servicing our AC unit today. He was professional and took the time to explain the problem.
Great job, very good communication from Josh, our technician. We recommend them highly.
Excellent! On time, cleaned up after himself and transparent with cost. Gave me all my options in a way that was understandable!
This is an excellent company! Josh serviced our AC, answered our questions and made recommendations. It is great having a local business to get service!
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 |
