Alison Mechanical
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Alison Mechanical
Alison Mechanical is dedicated to providing superior HVAC services, no matter the size of the project. A faulty air conditioner can make the summer miserable. An AC repair from Alison Mechanical Heating & Cooling LLC in South Lyon & Novi, MI can keep you cool and comfortable year-round. Whether you know your unit has a leak or you just want to make sure it's in good shape, we can help.

Our HVAC services include AC installation, repair and maintenance. Regular maintenance and repairs are necessary to keep your home comfortable and your energy bills low. HVAC services include more than just heating and AC installation services. Learn more about our AC repair and maintenance work now by calling 248-508-9793.

With over 30 years of experience, David Stark has built a solid reputation in the mechanical field. He is committed to providing the community with quality HVAC services including repairs, installation and maintenance. As a top-rated business with HomeAdvisor, Alison Mechanical Heating and Cooling is your go-to solution for HVAC services.
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David Stark grew up in Southeastern Michigan helping his father with his business. At an early age, David began as an apprentice and has developed a thorough knowledge and understanding of running a successful enterprise. David has carried on the tradition that was started many years ago by his father and has the experience it takes to complete any HVAC project.
Reviews (14)
Carlin Blanton
Carlin Blanton
Jul 23, 2021
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The compressor in my old condenser failed and a new unit was required. Dave gave me a quote with several options to replace the unit with an equivalent model. After some back and forth I settled on an upgraded model (went from single to dual stage). I feel that I got a good price and installation went without a hitch. I would gladly use Alison Mechanical for future HVAC needs.
Bj Kokenos
Bj Kokenos
Oct 09, 2020
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Used them many times since we've been in South Lyon. Highly recommend.
Cameron Miller
Cameron Miller
Oct 07, 2020
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93 degrees in the house and the dogs panting to the point it was scary. Never fear, Alison makes it out at 7:00p.m. and has everything working that night. “Dave” from Alison is a HERO!
Thrityseven Customtoys
Thrityseven Customtoys
Aug 16, 2020
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Positive: Quality, Value
Dave went out of his way to make things great. Renee is very sweet and put up with me calling daily lol. This is an honorable company and I am thankful for their honesty and ability.
Sharon Sower
Sharon Sower
Dec 04, 2019
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Allison Mechanical is awesome! They came out to inspect my moms furnace in Northville and gave all the options. No hard sell only genuine evaluation of the situation. Our tech went above and beyond installing by himself as his partner was ill. He never complained once. Outstanding workmanship! Great company. Home grown from company from small town of South Lyon. 5 stars isn’t enough! ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️
Jennie Urtel
Jennie Urtel
Oct 31, 2019
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Alison Mechanical came out within a couple hours of me calling (with no prior customer experience) to fix my furnace on a very cold winter day. The service tech was polite and explained the issue. He also gave me a few tips on some minor fixes to try before having to call for service. Highly recommend
Carly Schroeder
Carly Schroeder
Aug 01, 2019
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All of my experiences with Dave at Alison Mechanical have been professional and hassle free. Top notch. Recommendations to friends have been equally good experiences. Alison Mechanical is a fair and reliable company
Karen F.
Karen F.
Jun 21, 2019
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We have used Alison for our home and rental for repairs of older units and finally replacements. They were fair, honest and did exceptional work. I have recommended them to several friends who were also very satisfied. I wish I could give them 6 stars!
Donna Lee
Donna Lee
Jun 20, 2019
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A wonderful company - Dependable, knowledgeable, quick and all around great attitude. Very pleased with Alison Mechanical H/C..
Justin Misaras
Justin Misaras
Jun 13, 2019
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I’ve been trying to get in contact with the Owner for over a year to get my DTE refund check for having an energy efficient furnace.
1+ years’ later, I still haven’t heard back and still have not receivers my $250 refund.
I tried to get an estimate on a new AC unit, but my message was never returned.
PROCEED WITH CAUTION!
Micki Maurer
Micki Maurer
May 19, 2018
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Called last week to schedule an appointment for a service call. Repeated calls to make the appointment, and this morning at 9 was the quickest they could do. I understand that, it's busy season. Come this morning, take time off work to be there at 9 and no tech. Call to find out about what time they will be out and they have no appointment for me and excuses as to why.
Called Jerry's - they'll be out tomorrow.
Lauren P.
Lauren P.
May 07, 2018
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Alison has done our HVAC work in the past and has done a great job. We were disappointed to reach out for a residential AC repair and no one showed up for the appointment. When we finally got in touch with the technician several hours past our appt. time, he said he thought someone else (Dave) was handling it and he was going to be even later past 6 pm. We couldn't wait so he rescheduled for the next morning and again, no one showed up and no phone call. They won't return our calls. Perhaps they are slammed with spring start up elsewhere or just don't want to be bothered. Still,
Rob S.
Rob S.
Jun 11, 2016
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My central AC unit needed a tune up. It wasn't blowing as cold as it should. Today, temps are supposed to reach the low 90's. Enter Dave from Alison Mechanical. Top notch guy. Called me when he was on his way, and knocked it out of the park. I am currently writing this review as my home is cooling off nicely. Their communication was excellent too. We called them because a friend had recommended them to us. We placed our call, and within a couple of hours, Dave called me and set up a time for today. He was on time, fast and efficient. Great company. If you have any heating or AC issues
E. Foley
E. Foley
May 04, 2016
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Was having issues with my boiler, this company was recommended to me, glad I called! Came out quick and fixed the problem quickly, took the time to explain how to avoid it again in future. 10 out of 10, will use again. Had an estimate from another company, turns out what they quoted wouldn't fix the problem and their quote was more than double what Alison charged! I'm very happy!!