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Dennis is the best service professional we have met since we have moved to College Station! He is outstanding, trustworthy, and knowledgable. My family and I are very thankful to have been referred to Dennis. Thank you again, Dennis!

These guys are great HVAC professionals! When I have had issues in the past, David arrives quickly and gets to the bottom of the problem. Very courteous and professional. I would not choose anyone else for my AC system service.

Very professional and took the time to explain our AC's condition in detail. I appreciated the friendly and knowledgeable service. They come highly recommended.

I came home the evening of 8/23 around 7:30pm to discover that the central A/C in my house had stopped working. By the time I was able to start calling some local companies it was around 9pm; out of quite a few places I called at that hour, Dennis was one of two who answered. We were able to arrange an appointment for the following afternoon, and he was able to quickly make the relevant repairs. Very courteous and professional all around. Pricing was reasonable. All around, a positive experience. I particularly appreciate him making the effort to respond to a call at such a late hour.

I live in San Angelo, TX and have a rental house in College Station. I highly recommend using Dennis. He was very prompt and professional. Returned calls promptly. From long destance, I felt very comfortable working with Dennis. He did a great job and his prices were very reasonable

Dennis is very honest and compassionate. He installed heating and air conditioning units for me. There was an issue with the unit that was installed in my home which would never would have been obvious to me, but Dennis told me about it and made good on the difference. I would highly recommend him to anyone looking for heating or air conditioning services. He made an effort to get my unit working even though he was unable to work on it himself that day and in the heat of the day - I had ac working the same day.

Dennis fixed my A/C on Sunday, Aug.28, 2011, one of the hottest days in history within an hour of my call and his price was very reasonable. Thanks, thanks.

Wanted to say Fathers Day week-end and I went to visit my son in College Station and around 8-9pm Saturday evening the ac stopped working. I found three AC companies and contacted them all on the internet, an hour later Dennis Grimes emailed me and we set up a early morning appointment for fathers day! He was there found and fixed the problem within 1.5 hours. I never met Dennis as I returned home before he arrived but he has great communications and tells you what needs to be done, and acts like the money will be coming out of his pocket – he watches out for the customers and their money – thanks and I will be sure to always use his services!

Oh my goodness! So glad that I found Dennis. He knows his stuff and is very thorough. His quote was less than the others and yet he managed to get our repair covered under the warranty. He went above and beyond: I recommend him highly!

God bless you for coming out so fast on a Saturday afternoon. You fixed two things on my AC system within a half an hour!

Thanks for your quick response. College Station, TX 77845

David and Jose were very kind and knowledgeable; they were able to answer all of my questions. I highly recommend you trust Grimes and Galan Heating and Cooling with all your heating and cooling maintenance and repairs!

Mr. Grimes delivered fast, friendly service in July! He didn't mind my standing about to see what they were doing - he encouraged it! He was punctual and attended to the job efficiently. As I overheard him and his coworker interacting, they spoke clearly and kindly to one another. I will definitely call Grimes and Galan for my next heating/air conditioning crisis! (Let's face it - it's a crisis when the AC goes out in Texas!)

Wonderful air conditioning service and they were able to replace my fan motor the same day. I like them so much we signed up for their full HVAC service plan.

Dennis arrived early, diagnosed the problem with my A/C unit in less than a minute, and had the repair complete in short order. Even afterward, he thoroughly checked out my A/C units to make sure there were no other issues, and handled everything in a professional, courteous manner. Dennis is an outstanding local professional that I heartily recommend! And his prices are very reasonable. If you live in the Bryan/College Station area, consider Dennis the next time your A/C stops working. You won’t be disappointed! Thanks, Dennis, for all you do! David College Station

Dennis has worked on our air conditioning units a couple of times. He has always been able to come out the day I call. He gets the job done quickly and at a reasonable price! We won’t use anyone else in the BCS for our air conditioning needs!!

I purchased a new HVAC Carrier system 3 years ago from another local company. Each year (in the heat of the Summer) I've had the same reoccurring issue and kept with the same company afraid of voiding my manufacture warranty. It happened again this time I decided to try someone new and get a second opinion. I emailed Dennis Grimes and he promptly responded and fixed my issue immediately for 1/2 the cost of what I was paying the "other" company.  My new system was also making a very loud vibrating noise and I always thought it was off since it was new. I was told that's normal from the other company. Turns out Mr. Grimes noticed there was way too much Puron in my system so he adjusted it and now it runs quiet and I can hardly tell it's on. I highly recommend Dennis Grimes and recommend staying away from the bigger companies and keeping business local. It was more personable and he obviously knows his stuff. Huge lesson learned for me. Thanks Dennis Grimes and I will be referring your way without hesitation.

Thank you Mr. Grimes for fixing our air conditioner in Bryan. We appreciate you and the great service (and price) you provided for us.

Great service. They did AC services to 2 condos and did a great job. They went above and beyond in ordering the filter and delivering them to one of the units. Prices were very reasonable. Thank you.

Dennis was a welcomed change to the normal service personnel I have encountered within the past year. He is prompt, professional and competent. I have absolutely no reservations in recommending Dennis to anyone with a HVAC issue. I’m a small business owner myself and I can relate to the benefits of working with an owner/operator. It makes a real difference. Thank you Dennis for the prompt 9am service call. jeff

I just wanted to take a moment and compliment your company and staff on the repair job you did for me in College Station at one of our rentals. I called on a weekend since it was over 100 degrees outside when the AC unit stopped working. Your employee Marco came out on a Saturday afternoon and fixed it that day even though he had plans for the evening. Thank you again for the great job !!! Thanks

I just wanted you to know that I appreciate you taking care of my air conditioning repair while I was out of town. My wife and family were home suffering with the heat and your efforts were a great relief to everyone. Thank you for your quick courteous service.

Sunday morning capacitor replacement after answering the phone on a Saturday night. Enough said! Can’t thank you enough.

I called Dennis Grimes to repair my heating system. He showed up within an hour and promptly diagnosed the problem and successfully repaired the unit. He was very professional and courteous. I plan to have him  work on my HVAC unit in the future. I strongly recommend him to anyone who wants to have their HVAC system repaired or maintained.

Such a great service. Mr. Grimes is the only service professional in Bryan/College Station who not only answered his phone personally after hours but made an effort to come and help us with our AC. This is a unique perspective toward customer satisfaction. He was prompt, professional and knowledgeable. I would highly recommend Mr. Dennis Grimes to anyone who needs an honest, knowledgeable and caring service personnel. I am very happy to find such a great person.