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Please note: we do not manufacture or sell Garrison name-brand HVAC equipment. If you are looking for manuals or other information for Garrison name-brand equipment, we cannot provide it. We apologize for the confusion.

Madison's #1 HVAC Service Specialists! We offer same day service on most AC Repairs!

Contact Us

Call Us at 256-859-8500
Email Us
Mailing Address:
4922-A Moores Mill Rd
Huntsville, AL 35811
Regular Hours:
M-F : 7AM-4PM
24/7 Emergency Service Available

Read Our Reviews & Leave Your Own:

Garrison & Garrison

4.9

Based on 583 reviews

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Our HVAC unit completely shut down. A diagnosis by another HVAC company determined that the compressor was bad and needed to be replaced. I was provided quotes for replacing the compressor and the air handler. I called Garrison & Garrison for a second quote on a new unit. A company sales representative, Carl, worked me in on short notice. Upon his arrival, I explained the problem and diagnosis by another company. Looking at the unit and making a couple of quick tests, he demonstrated that there was nothing wrong with the compressor and the problem likely was a short in the air handler. I asked if he could schedule a diagnostic assessment before I made a decision on the purchase of a new unit. Carl and Josh arrived the next morning to conduct a second assessment. In less than 3 minutes they pinpointed the problem (it was a short in the air handler), made repairs and the system was back up and cooling just fine saving me thousands of dollars in replacement cost. It is my personal observation and experience that these two representatives of Garrison & Garrison demonstrated the highest level of technical expertise, professionalism, honesty and integrity. I highly recommend this company. Garrison & Garrison is now my go-to company for HVAC services.read more

Robert H.

19:48 02 Jul 25

I dealt with Garrison and Garrison today for the first time, Nick the technician was professional, went directly to check the system without wasting time, and before fixing what he thought was wrong consulted with his supervisor (quality control), in less than half an hour the AC was working fine.I do recommend Garrison and Garrison for dependability, no nonsense honesty, and reasonable pricing.I should have known them earlier, they are very good. Thank you.read more

Urban D.

20:03 12 Jun 25

Nick Day with Garrison and Garrison came out as a call back on another techs previous regular maintenance call. There was an issue that was not discovered, Nick, with some investigation diagnosed our problem, which was a small leak in the air handler coil. Now that we know what the issue is and our options are we can make an informed decision. Nick was very thorough and professional. Thanksread more

Scott E.

15:59 03 Jun 25

Our air conditioner needed to have a line repaired and freon added. Our friends recommended Garrison and Garrison and we were very happy we called them! Antonio Rice came out and kept us informed of his findings and provided pictures for us to see. He was very courteous and we are very happy with his service!read more

Linda C.

19:44 28 May 25

Excellent job by Beau, Brent & Nick. R&R of HVAC system was efficient & professional. The entire team took time to answer all questions and provide instructions. We have been long-term customers and plan to continue using their expertise.read more

Sharon S.

22:14 22 May 25

Even though the unit itself, which was an American Standard, was only 10 years old Roberto, Juan and Nick, our installers, did an exceptional job in the replacement of our old unit. Roberto was professional, and his utmost concern was the safety of our household. Roberto, Juan, and Nick did an excellent job on the installation and it was completed as quickly and efficiently as possible. I would recommend Garrison & Garrison at any time to others.read more

Tammy H.

07:53 21 May 25

Roberto, Nick and Danny showed up on time! They were all very polite and worked hard all day to get our new unit installed and working properly. Customer service has been wonderful thus far!read more

Meleah D.

22:22 08 May 25

My technician was Nick Day. Nick was very polite and did an exceptional job in servicing our units. He was knowledgeable and kept me posted on any issues that I might have with my units. Thank you Nick for your great service and through inspection.read more

Glinda B.

12:28 06 May 25

Josh and the rest of the team provided excellent customer service as well as prompt repair of our HVAC system. The subcontractor our builder hired to install the system did a terrible job and refused to fixed their mistakes. We called G&G who promptly came out, diagnosed the problems, including parts that weren’t up to code then sent an entire crew to fix everything.Honestly, we cannot say enough good things about this company. Keep it up!read more

William

15:50 30 Apr 25

Roberto and Nick M. Installed our new HVAC Gas Package and New Metal Ductwork. Roberto and Nick were professional, knowledgeable, dedicated to the job, on time each day and were a Great Team together! It has been a great experience with Garrison and Garrison….Sales, Office, and Installation. Again, a big thank you to Roberto and Nick with their expert installation and service! I am a very Happy customer!read more

Jeff W.

00:46 10 Apr 25

Best heating and air service in North Alabama. Will use them again whenever I need to. Highly recommend.read more

Everett L.

16:09 03 Apr 25

Roberto and his team did an amazing job. Arrived right on time, and finished on time. After the installation he briefed me on the job showed me pictures of the attic unit. If Roberto shows up you can bet on a good job.read more

Jesse G.

23:31 25 Mar 25

I have 2 homes that I use Garrison and Garrison for. Cody came to both homes and I can highly recommend him. I won’t use any other hvac company. Thank you .read more

Susan M.

23:13 24 Mar 25

Roberto & Nick did a great job. Polite, professional, and thorough.

Charles J.

18:10 21 Mar 25

Just finished my biannual service. We are ready for the weather! Cody did an excellent job as always. Prompt and reliable. Highly recommend!read more

Bob T.

14:14 12 Mar 25

The entire team did a great job. Our unit failed on a Wednesday, and we had a written estimate within a few hours after calling. The new unit was fully functional less than a week later. The project was complicated by a challenging landscape, requiring a new pad, and additional duct work to accommodate the larger unit. The team worked well together, communicated throughout the day, and did excellent work. Thanks Roberto and Nick!read more

Melanie B.

21:49 07 Mar 25

Roberto and Nick did a great job! Very knowledgeable, pleasant and efficient. I am very happy with my new HVAC unit and their work! David, the Sales Person, thank you !!read more

Maria F.

16:05 04 Mar 25

Roberto, Nick and Johnathon were great. They troubleshooted the problem and did not give up until they came up with a solution. They did this during the coldest weather of the year. For that I will always be grateful.read more

TOMMY H.

16:27 22 Feb 25

Wonderful experience with Jonathan, he was quick to diagnose the issue and provide a solution. Front office was great with a quick turnaround time. Happy I selected Garrison and Garrison for my home needs.read more

Rufus H

18:16 07 Feb 25

I had two old American Standard units that I wanted to replace with newer ones which used R-454B as a refrigerant. David did a walkthrough of my property and provided an initial cost estimate. When the units became available, Carl followed up with a final proposal. The work was scheduled the day after we signed a contract and was completed in a timely manner over a two-day period. Beau and Cooper installed the systems. They arrived on time, were extremely courteous, worked very hard, cleaned up after they finished, provided me with documentation and manuals, and Beau walked me through the operation of the new thermostats. I felt that the staff was knowledgeable, honest, and straightforward. Everything went smoothly and I couldn’t have asked for more. Good job!read more

John G.

20:51 06 Feb 25

Did a excellent job!

Karen C.

02:18 25 Jan 25

G & G did it again. I used then in my previous home when I needed to replace my old worn out unit and used them again for replacing a dead, cheap builders grade unit in my new home. Beau and Brent were the installers and they were superb. Everything went smoothly including having to build a new stand for the unit because of differences in size from previous unit. Everything was cleaned up before they left and made sure that I was happy with the new unit and the quality of the service. They arrived on time and were done about an hour earlier than estimated. Great job!read more

Edd C.

17:19 18 Jan 25

We just had the BEST service call from a young man, Chase Boldin, who was not only knowledgeable, but kind, patient, and very humble. I had to ask for his card to share our satisfaction and experience. Kudos to you for employing a professional with great skills and work ethic!read more

Lorraine B.

01:07 16 Jan 25

Excellent people to deal with. Carl in sales was great and the installation team did a great job and were very professionalread more

Troy W.

18:05 10 Jan 25

Excellent service with a great price. Highly recommend.

Ydoc (.

18:41 08 Jan 25

They are very reliable and on time when they say they are coming.

Deborah H.

17:32 08 Jan 25

Roberta and Nyles were my installers.They were very informative, professional, friendly and respectful.They answered all my questions and very patiently explained procedures and functions of the unit parts.They are keepers!!!Thanks again to Roberta and Nyles.W Janel Staffordread more

w janel S.

19:28 16 Dec 24

I have used Garrison and Garrison twice now and both times I received a quick response , great service and I didn’t feel overcharged either time . They are my go to for anything HVAC and they deal with my American Standard brand. Very satisfied!!read more

Earl W.

13:14 14 Dec 24

The absolute best! We had another company come out and diagnosis thousands of dollars of work. Their temporary fix was completely wrong. The technicians at Garrison & Garrison came out, took their time, and found the faults that were causing the non-functional system. I am telling everyone I know about this ethical and professional company. I really appreciate honest companies.read more

Ro H

23:00 12 Dec 24

Roberto and Nyles replaced our hvac system today! They were very polite and respectful! They did a great job, showed us how to use the updated thermostat, and made sure everything was in good working order before they left!Josh was also very nice and easy to work with as we decided which system would work best for our home.I highly recommend Garrison & Garrison!read more

Maegan L.

22:42 12 Dec 24

We just wanted to give a shout out to Ronnie H. at Garrison & Garrison for taking such good care of us! Very friendly, professional, and knowledgeable. We are very pleased with their service and their pricing. Would definitely recommend!read more

Samantha J. R.

21:47 07 Dec 24

Noticed my HVAC unit was short cycling. Tried a reset but no improvement. Knowing this problem could end up damaging the compressor I called Garrison & Garrison for help. They sent a Tech out a couple hours later. He found a couple parts on the unit had failed. The parts were ordered and he came back out and installed them. The unit is now working perfectly. All I can say is great professional job all the way around! Kudos to the Garrison & Garrison team!!!!!read more

Joe V.

21:24 27 Nov 24

Quick and efficient

Mark Y.

12:52 27 Nov 24

I’ve been a client of Garrison and Garrison for almost 20 years. They have always given the best price and the best service. They have helped me many times when I know they could have just told me I needed something much more expensive…. but they choose to put the customer first. I recommend them to all my friends and family 🙂read more

Teri D.

05:20 27 Nov 24

G & G is TOP NOTCH! Technician called ahead and was on time. Clean cut, personable and very professional. This was a service and checkup visit. Appreciated the fact that he performed in a very professional. Found nothing wrong and did not try to “sell” me something I did not need. I did set up an account I was so impressed!read more

Richard K.

02:46 27 Nov 24

Recently I called Garrison and Garrison to have my HVAC unit inspected as there seemed to be humidity and airflow inconsistencies. Josh, our technician, who was referred to me by a family friend, gave a thorough inspection. He was professional, friendly, and honest when it was aparent that the issue was caused by a setting on the thermostat. I will definitely call on him again when I need the unit serviced and inspected and have already recommended him to other family members. It’s invaluable to have found an HVAC tech I feel confident and trusting of.read more

Jillian H. L.

05:00 20 Nov 24

Roberto and Myles were very prompt , informative and efficient ! What originally was quoted to be a day and half install of my new system only took them a 1 day instead ! The prices for Garrison & Garrison were great and looking forward to doing more business with them in the future . Highly recommend!read more

Alexis

23:26 19 Nov 24

Today my system had its spring checkup done by Terrell Turner. He called before he came and arrived at my house on time. He was friendly, thorough and explained what he did. I could not have asked for better service! I will ask for him each time my service is due.read more

Paula W.

23:43 29 Oct 24

Roberto and Nyles did a great job . Answered all my questions after install. Clean and neat install.read more

Jim J.

14:40 29 Oct 24

I want to thank you for going above and beyond to repair my mother’s air conditioning issue. Your constant contact and understanding of our family circumstances have made us customers for life! Knowing we were able to offer a safe and “cool”place to stay for our Florida family during the hurricanes was heartwarming.Each employee we had contact with was professional and very kind.We really appreciate all you’d did and can’t thank you enough!read more

Kimberly W.

14:25 24 Oct 24

Cooper and Nick were my installers of both systems. They let me know every thing that was happening and they were always on time. Very courteous and answered all my questions. If all employees of Garrison and Garrison are as knowledgeable and selfless then I will have to consider G&G top of the line for HVAC in North Alabama.read more

Jane T.

17:24 23 Oct 24

Technician was GREAT!! Informative and took his time inspected the unit & answered questions. I had asked about gas in the fireplace. He was just amazing.read more

Donna W.

00:35 23 Oct 24

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Licensed & Insured

Working with a licensed and insured HVAC company keeps your loved ones protected. We help you breathe easier knowing your home is safe.

Flat Rate Pricing

Our straightforward pricing ensures you know what to expect. We discuss all pricing before work begins. Working with our team ensures you always get the best value.

24/7 Emergency Service

Don’t be left in the heat (or cold)! AC and Furnace problems often happen when you least expect it, so we’re here to help when they do.

Locally Owned & Operated

You’re a name, not a number in our books. As a locally owned and operated company, we take your concerns seriously and won’t rest until a problem is resolved.

256-859-8500

256-859-8500

Contact Garrison & Garrison

Let Us Help

Madison's #1 HVAC Service Specialists! We offer same day service on most AC Repairs!

Contact Us

Read Our Reviews & Leave Your Own:

Licensed & Insured

Flat Rate Pricing

24/7 Emergency Service

Locally Owned & Operated

Proudly Serving The Following Areas

Products

Air Conditioning

Heating

Services

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