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.
Reviews for your job
Customers hired Deljo Heating, Cooling & Plumbing for 8 kinds of job.
Deljo Heating, Cooling & Plumbing for a/c system repair
Clear ✕All 21 Google reviews tagged “A/C system repair” · showing 20
George & Deljo are great! We’ve been clients of theirs for over 10 years. Never had a complaint. They are always prompt, professional, and honest. Don’t be fooled by the places that have flashy ads on local television. You won’t be disappointed with Deljo!
Great experience with Angel Gonzalez and Gabe! They both arrived within the window communicated and were very professional and helpful in communicating what they discovered and options in pricing. Would highly recommend Deljo!
Angel was great. He clearly explained the issue and the necessary fix. He was courteous and prompt.
Just had Gregory out for an assessment of what’s going on with our HVAC system. He was able to very quickly and accurately diagnose what was going on. While it wasn’t the best news, he was able to give us repair options and set us up with another appointment to review system replacement options for later today. I…
I called Deljo on a Monday for my A/C that wasn't working, and Izzy arrived the very next day! he diagnosed the problem quickly, gave me several repair options, and performed the necessary repair on the spot. he was pleasant, patient, knowledgeable, and explained the questions I had thoroughly. Izzy also suggested…
Izzy was well informed and knowledgeable.
Gerardo was extremely professional and helpful in diagnosing issues with our Senville split AC unit. Would highly recommend him and Deljo for HVAC services.
I had an excellent experience working with Drew Weernink. From beginning to end, Drew was professional, knowledgeable, responsive, and genuinely great to work with. What stood out most was how personable and attentive he was throughout the entire experience. He took the time to answer my questions, communicated…
Giovanni was very knowledgable, personable and professional . His explanations of the services he recommended were easy to understand. Over a number of years Deljo has been wonderfully responsive whenever we’ve had an issue.
Sam came out and helped me diagnose the problem in our air con system, a Lennox HS29 that is 21- years old. With the diagnosis, we’re up and running, but a new unit is inevitable . Thanks Sam, I appreciate the time you took to patiently answer my questions.
Angel was great! He replaced some parts on my AC unit quickly and had before and after photos. I love working with Deljo for HVAC and plumbing.
We had a great experience with Deljo, and specifically our technician Izzy Gonzalez. Izzy did a wonderful job assessing and diagnosing the problem before taking the time to explain what the potential issues were and how it could be addressed step-by-step. Izzy was personable and extremely knowledgeable, helping us…
Joe was super nice. He quickly diagnosed the issue and had our air conditioner fixed in no time! Highly recommend:)
Had a great, honest, seamless experience. Would recommend and use again!
Had a great experience with Deljo! I was able to book an appt the day I needed a repair. The office was very communicative about timing and I appreciated the text that introduces who your technician will be and allows you to track their arrival. Charlie was extremely knowledgable and was able to identify the problem…
Angel was professional, knowledgeable & thorough. He arrived on time, explained what he did & suggested ways to maintain the system. I will absolutely continue to ask for him to
Excellent service from Angel C. at Deljo Heating & Cooling! He arrived on time, was knowledgeable, transparent about the work that needed to be done, and completed everything efficiently. He got my A/C up to date and running again. I truly appreciate the professionalism and outstanding service. Thank you, Angel!
I will always request Charlie Bent as my technician! I really appreciate his knowledge and patience while troubleshooting our HVAC problems.
Five stars for the incredible team at Deljo! I’ve spent years dealing with other companies that completely failed to diagnose my cooling issues. Deljo fixed everything in one shot. Jay did a fantastic job with the initial diagnosis, and Jake was great at inspecting the space and writing up a fair, transparent…
We’ve used Deljo for more than 18 years and have consistently received quality, professional, friendly, customer-directed services. The entire team, field and office, is in synch and delivers value results. I suggest you give them a chance. Their pricing are very competitive.
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 | 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 | — |
