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”
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!
Very friendly and informative. Explained everything he did.
Josh was a great technician. Friendly and honest!
Quick response on a very cold day. Service tech was very detailed, knowledgeable. Will definitely be my go to HVAC contractor.
I first started using this company last year when we had AC problems on the first hot day of the year, and they were able to accommodate a same day, last minute appointment. Since that first appointment, I have been completely satisfied with their service. Always responsive, great customer service, prompt arrival of…
Josh did another great job with the routine maintenance required for the upcoming air conditioning season today! Josh is friendly, professional, and explains everything he is doing. I trust only Comfort Zone for both regular maintenance and emergency repair work. They are always timely, professional, and accurate…
These guys did a great job: professional, clean & straightforward. I've decided to go on their annual plan to do pre-emptive servicing of both my AC and Heating systems each season. The 5-star ratings here on Google as well as my personal experience are well deserved. Josh was my service tech and overall, a great experience. Highly recommended.
Josh Berg did a great job on our system maintenance and helped answer all of our questions and spent extra time with us discussing options about replacing our HVAC system. A pleasure to work with!
Great service, priced fairly, fast and easy to get an appointment, friendly and skilled technicians. Everything just feels easy, as it should.
Excellent job as always Josh the technician did a great job on showing me everything thing he did on this service call
Excellent service. Glen was friendly, efficient and knows his stuff. Highly recommended.
Superior customer service, from the time I booked the appointment through completion of the service call. Thank you Glen and your staff at Comfort zone. Will see you in the Fall for my next service.
Great company. Everything was perfect! Tim Keenan is the very best. Very organized. On time.
Paul was very forward with everything he did for us and what he had to fix. Great costumer service! Very very nice guy.
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
I have used them multiple times in the last two years for general maintenance and replacement of an AC unit. They have always been kind, responsive, professional, and trustworthy. They truly set the standard for exceptional customer service. Chad and Glen have both been to our homes to do various maintenance. Each…
I’ve been a customer of Glenn’s @ Comfort Zone since around 1996 ....about 24 Years! I don’t even entertain a thought of calling someone else! Glenn, and his son, Chad, are the epitome of honesty and integrity! They really know their stuff, too! If you need help with Heating or Air Conditioning, please do…
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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 |
