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%92+50.2Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%67+4.7Craft & service penalty98−0.2Experts Score= 91Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.91SCOREService 1 Plumbing, Heating & A/C, Inc.
Joliet, IL · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #8Position by Experts Score among all companies we track in this category. of 10 boiler installers · 4.9★ from 983 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: value and momentum; weakest: replies to reviews.
Reviews for your job
Customers hired Service 1 Plumbing, Heating & A/C, Inc. for 8 kinds of job.
Service 1 Plumbing, Heating & A/C, Inc. for install thermostat
Clear ✕All 22 Google reviews tagged “Install thermostat” · showing 20
Service One installed my system 11 years ago and has taken great care of it ever since. I would not go with anyone else. All of the technicians that have come out have been polite, courteous, and professional. 9/5/26: John came out to replace a capacitor and some wiring due to a hungry mouse who had its last meal. Work was completed efficiently.
Had yearly routine maintenance done on my trane furnace, Vance did a great job discussing and showing with pictures of what he had cleaned and serviced!!! I asked him about possibly replacing a water valve running to my humidifer for water flow as it had a very very slow drip leak(thought valve was bad)....Vance…
Great job on the new A/C & Furnace install. Quick, professional, and everything works perfectly. Highly recommend!
Everyone we've dealt with has been amazing! We have used Service 1 for plumbing and HVAC both and have been so impressed!! I recommend them 100%! Every technician has been so professional, cost efficient, and extremely knowledgeable. I would recommend Service1 to everyone!
They were punctual, courteous, clean, professional, polite! The best service! They explained everything and went over everything they did to make sure I understood it! I will definitely recommend them!
Patrick and Wyatt are great. Arrived earlier than scheduled, courteous, professional and efficient. Great service on a very cold Xmas weekend. Thanks 🙏
Highly recommend Service 1! Our salesman Branden was knowledgeable, professional, and patient with the many questions we had regarding the products we were considering. His follow-up was impeccable. The office staff was friendly and helpful. Their installation team was exceptional. They were on time, efficient, and…
Morels was efficient, professional and pleasant. He worked here 5 hours installing my new AC. Very good employee!
Happy . Satisfied customer.
Was professional. Clear on issues. Explained nessacary cost. Wonderful service. Thank you Branden!!! And install guys Randy and Evan were awesome. Fast professional and cleaned up
I have used them several times and am very pleased with the service. All of the techs have been very polite and addressed any questions I had in great detail.
Consistently great service, always professional and thoroughly explain things. Have used Service 1 for heating, cooling and plumbing over the years. Wouldn't consider using another company.
Very friendly and professional service. Service personnel fully explained details of the maintenance that was provided. He also walked me through steps to utilize newly installed thermostat.
They have always been reasonably priced. Quick to come out. Their estimate and final bill have always either been the same or one time less than the estimate. I highly recommend them toanyone that has heating or a/c problems.
Very satisfied with this company. They go above and beyond to make sure you are happy with their work. Professional and knowledgeable. Happy we chose them to purchase from. Feel secure knowing they will be behind their product.
Rating only, no written review.
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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 |
|---|---|---|
| Heating system installation | 75 | $1.4k–$2.8k |
| Install AC | 65 | $1.6k–$3.2k |
| HVAC system maintenance | 45 | $37–$264 |
| A/C system maintenance | 44 | $39–$318 |
| Heating system maintenance | 42 | $37–$317 |
| A/C system repair | 33 | $216–$611 |
| Heating system repair | 28 | $78–$745 |
| Install thermostat | 22 | — |
