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%86+46.9Reliability 24%81+19.6Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty86−1.4Experts Score= 86Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.86SCOREThornton & Grooms
Dearborn, MI · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #12Position by Experts Score among all companies we track in this category. of 20 garbage disposal repair · 4.9★ from 16,288 Google reviews
Report card
Percentile vs other garbage disposal repair (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: reliability.
Reviews for your job
Customers hired Thornton & Grooms for 8 kinds of job.
Thornton & Grooms for a/c system maintenance
Clear ✕All 810 Google reviews tagged “A/C system maintenance” · showing 60
TJ from Thornton & Grooms did our annual furnace inspection on October 27. He performed a thorough check of the heating system in a very professional manner. Explained every procedure. Great job! David Rudd did a great heating inspection today, 10/22/2025,. Explained the process thoroughly, and answered every…
Great very clean and professional
On time,and professional. Informed me every step. Clean And efficient
Excellent knowledge of all things
The guys delivered as promised--done in 8 hours. In spite of doing a major boiler project, they worked quietly. They kept after the mess and left the space clear. They were patient, polite and helpful.
Had Joe in today for an electrical inspection. He was very polite, and quick. I like it that way😊and I'm good to go!
Ben did a great job , as we have come to expect from Thornton & Grooms. Ben flushed and descaled our tankless water heater and while that process ran, Ben installed a replacement toilet in our master bathroom. Ben explained everything that he was going to do and then went over the completed jobs when he was…
Khari from Thornton and Grooms showed up today to check on the house plumbing system. I found him knowledgeable and helpful with advice. I feel confident that we’re in good hands. Thanks Khari!
T & G is best in class service. The home care package is a great deal. The technician’s are smart, professional and efficient. I am a repeat customer.
This company is getting worse. Four years ago, I gave them a 5-star review for helping resolve a plumbing issue I had. This year, at the beginning of summer, I called them to check my AC which was having startup issues. First off, their AI, Casey, is buggy. Due to my own error, it double booked my appointment, and…
Excellent communication through the whole process, from booking through arrival and departing. Professional, courteous, thorough. Greg arrived on time, was very thorough with his inspection of the plumbing system. He replaced a couple seals, drained the hot water heater & installed a couple screws into the HW…
Dante was an excellent technician. He was helpful and knowledgable. Dante kept me informed of what he was doing and how our equipment was running. He did not hard sell us anything, but did let us know where parts were worn.
Had new furnace and air conditioner installed today. Your install team of Kevin and Matthew did an excellent job. courteous and professional.
Very easy to work with, thorough, pretty quick for the job. I would definitely recommend!
Today was the annual plumbing check up with Jerry! Good job! He was punctual, personable, did a thorough check and all looks good. Thank you Jerry and T&G.
Great experience. My technician was very professional and knowledgeable.
Can't say enough about Nick and how professional, friendly and knowledgeable he was. He answered all my questions and gave me tips on my furnace and A/C unit for proper maintenance to maximize efficiencies.
Lucas quickly saw the solution to our water supply problem. Contacted the Royal Oak water department and worked together to solve the problem. All was completed the day after our call.
Very polite and thorough. Nice job! Appreciated the flexibility and accessibility. Highly recommended.
Very timely an efficient!
Alex was prompt, efficient, knowledgeable and explained everything he was doing.
We had Brandon come for our service and he was wonderful. Professional, personable and thorough. He did a great job!
When you choose Thornton and Grooms, you can be confident that the job will be done right. Their team is always polite and skilled. I only call them for heating, cooling, and plumbing needs. They may not be the cheapest option, and their prices are often higher, but you can trust them to stand by their work. You…
Outstanding work from Joseph Czank, David Majeska, Seth Keefer, Sael Olivares, and Raymond Thompkins (Heating & Cooling and Electrical Install teams). They completely removed our 21-year-old HVAC system, installed a new single-stage Lennox setup, rerouted electrical to a new location, and added an electrical panel…
Great personality, very thorough. Highly recommend.
Knowlegeable, Friendly,Thorough job done. STEVE CENOVA Answered all of our Questions. Gave us peace of mind that our air condition was in shape and running tip-top.Very Happy
Very helpfu, l professional 👏🏾
Thorough and professional
T.J. of Thornton and Grooms did a great job today, inspecting our furnace and our air conditioning systems, both on the same visit, which saves everybody time. He was thorough, professional and yet kind enough to explain things to us. He is a true asset to this company!
Anyone asked will state that this is a higher cost plumbing & maintenance company, but remember that one gets what one pays for. T&G has quality employees performing quality work. If you are looking for courteous, patient, clear explanations from an experienced professional, one can't beat Thornton & Grooms. This…
We had a great visit from Paul who went above and beyond! Fixed our plumbing issue with no problem!
Take great care of us Everytime! Definitely not cheap, but the work quality, customer service, and timeliness are worth it.
⭐⭐⭐⭐⭐ I’ve been using Thornton & Grooms for years, and I’ve always had a great experience. Mason was especially helpful—he was extremely knowledgeable, professional, and took the time to explain everything clearly. You can tell he really knows what he’s doing and genuinely cares about doing a great job. I highly…
AC checkup. Adam showed up on time and was very thorough during his inspection Adam was very professional throughout the visit. He took time to answer all my questions. I feel confident in the advice Adam gave me. I highly recommend Thornton & Grooms for all your HVAC, plumbing, and electrical needs.
Trevpr was such a pleasant, and professional young man.
Super professional ….and extremely nice Would recommend to all
Had our annual furnace inspection - tech was very thorough and also explained what he was doing. He used our hose to clean air compressor and, unlike any other tradesman in recent memory, returned hose to exactly as he found it - it's the little things that make a professional.
Maggie was courteous and professional
Air conditioning & furnace inspection
They were very peraonable and came right in and got to work. They were done in no time.
Dave was wonderful. He was friendly and took the time to explain what he did and how I can upkeep my unit better.
was fast and knew what he was doing. He gave us all our options and explained everything with proficiency and made sure the job was done correctly. Would recommend for future projects.
On time and found route cause withou any BS
Knowledgeable and thorough! One of the most knowledgeable and helpful service person I have ever had visit my house.
Great job by Dakota!!
Ian Warren is a very knowable person of his trade. I would recommend him again when I call for your services.
Andrew was very professional installation technician explaining the work that he is doing.He. cleaned out the bottom well where the sump pump sits.Also explained the relief valve & how this discharges all the water outside.Overall experience great service &installation.Andrew gets 5 stars excellent workmanship!April…
Hunter was excellent
Over the years, since 2018 , we have had Thornton & Grooms install and service a number of items in our home. We appreciate the cordial, professional manner shown by each of the T&G people.
Technician was very Helpful and courteous. Explained problem and solutions. Very professional!
Very helpful in explaining what he would do. Helpful information shared. Demonstrated how to change filter.
Great service! Highly recommend
Very professional and answered all my questions in detail.
Technician was knowledgeable, friendly and efficient...would highly recommend him and the company. Was extremely informative. Worked hard for 9 hours straight installing A/C units. Great job!
All the staff are consistently expert in their roles and highly professional to work with.
As always excellent services👍
Great service, courteous and knowledgeable, would recommend!
TnG have amazing service people. Devin Davis did the plumbing service inspection and was very professional and did an amazing job. Thank you TnG!
David Rudd is an excellent member of Thornton & Grooms. He took his time, and was professional, knowledgeable & very helpful. Thank you, David
Nick did a great job. Very thorough and clear in his explanations and recommendations. Looking forward to him coming again in the future.
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 |
|---|---|---|
| Drain cleaning | 1484 | $39–$295 |
| HVAC system maintenance | 975 | $19–$176 |
| Plumbing pipe repair | 815 | $248–$1.2k |
| A/C system maintenance | 801 | $39–$383 |
| Heating system maintenance | 763 | $19–$161 |
| Plumbing leak detection | 563 | $54–$520 |
| Toilet repair | 471 | $166–$480 |
| Water heater installation | 449 | $1.2k–$2.4k |
