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Testimonials

Hear From Our Satisfied Customers

Vardha C.
Vardha C.
16:24 13 Nov 23
Stephen is highly knowledgable and really takes time to explain stuff when we got questions. He has been looking after our HVAC system for a year and we are planning to switch to DIamond Blue Air for our rental property too. Really good service and very professional. Would highly recommend to anyone looking for HVAC maintenance and repair.
Dennis M.
Dennis M.
15:08 13 Nov 23
Thorough and professional as always. Stephen is the best!
Katherine G.
Katherine G.
14:14 03 Nov 23
Stephen, my tech, was courteous, professional, and friendly as always! I appreciate the consistently good service I get from Diamond Blue Air.
Joe G.
Joe G.
19:47 28 Oct 23
On time and performed efficiently. Courteous, professional service.
Don W.
Don W.
17:13 21 Oct 23
Very professional technician.
Carolyn C.
Carolyn C.
20:33 17 Aug 23
Tech was on time, very professional. Found that out condenser fan motor was going out and went to the A/C parts store to get one but did not have it in stock. He called me and let me know what the ETA was for the part. Love to communication.
Cathy B.
Cathy B.
16:00 02 Aug 23
Exceptional service from start to finish. Thorough, professional, quick response time. Appreciate accessibility of staff to answer questions and address concerns. Outstanding company.
Amanda N.
Amanda N.
19:53 27 Jun 23
Great customer service. The technician was able to come out a few hours within calling while other companies had a wait of over 2 days. Highly recommend!
Matthew C.
Matthew C.
18:15 08 Jun 23
Was very surprised they could repair our system the same day. Tech evaluated the issue then provided us a detailed explanation of the problem and the repair cost. Our system was fixed the same day :) thank you.
Ricardo H.
Ricardo H.
15:18 27 May 23
Evan M.
Evan M.
14:05 22 May 23
Diamond Blue Air was responsive, put me on the schedule right away, and got my AC up and running again quickly. Stephen was very professionable and knowledgable - highly recommend
Bio P.
Bio P.
16:15 09 May 23
Great company and great people.
Dennis M.
Dennis M.
21:35 25 Apr 23
Excellent service by company and Service Tech, Stephen.
Lakshmana R.
Lakshmana R.
02:44 06 Feb 23
I used two contractors from home warranty for the heating issue. One said I need to change the zone panel without checking anything. The second guy said it is an airflow issue and he can't help.Stephen from Diamond Blue Air is excellent in explaining about the airflow issue and he fixed it in no time. I will use them again in the future.
Flamin T.
Flamin T.
20:03 30 Jan 23
We are currently in the process of evaluating the various quotes from HVAC companies so I cannot comment on the end work just yet. However, I want to express my extreme gratitude to Diamond Blue Air for promptly returning my call and inquiry, as well as being on time (actually a little early). Mainly, I want to thank the tech, Stephen, who went through all our concerns, provided multiple different options and ideas to help save us money and headaches in the future. He went out of his way to go through every aspect of our complex commercial system and hear our concerns. He was professional and based on our time with him, would recommend this business to all!!
Sam S.
Sam S.
19:41 11 Dec 22
Stephen showed up promptly with great communication. Really took the time to connect with us as a customer, and listen to where our concerns were. Stephen took the time to inspect our entire A/C unit, took pictures of all areas afterwards and did all sealing and maintenance needed. Highly recommend using this company.
Michael C.
Michael C.
17:38 04 Dec 22
Great experience with Roy and his installation team who installed 2 brand new Lennox HVAC systems in my home. All three men were polite and expedient. They installed and got the main system up and running on day one, and the upstairs unit on day two. They took care of everything from start to finish. In addition both systems came with smart thermostats, in this case ECOBEE4, that have incredible features. I would highly recommend contacting Roy with Blue Diamond Air for any HVAC concerns including getting a new system.
Ericka F.
Ericka F.
16:52 15 Nov 22
Highly recommend for reliable service related to any HVAC issue. Responsive, professional and fair…hard to find these days.
Bobby Williams J.
Bobby Williams J.
15:53 21 Oct 22
roger A.
roger A.
00:34 20 Oct 22
Did a complete installation. Very through, explained the operating process. cleaned up when do. Good job.
Zeke F.
Zeke F.
23:22 06 Oct 22
Honest, professional staff
Vikas A.
Vikas A.
18:07 08 Sep 22
Repair freezing pipe leakage. Great response time available for quick fix as your convince
Toby K.
Toby K.
15:41 09 Aug 22
Jerry and team are fantastic about communication, punctuality and exceeding expectations.
Toby K.
Toby K.
15:58 28 Jul 22
Christina R.
Christina R.
22:05 20 Jul 22
Chuck B.
Chuck B.
21:53 20 Jul 22
Shrikant D.
Shrikant D.
21:44 25 Jun 22
Graham H.
Graham H.
14:15 22 Jun 22
After having another company come out and advise me I had a slow leak and due to it being R22 would need to consider replacement, I contacted Diamond Blue to see if they could repair leak to get another year out of unit. They responded to advise me that there was no leak, the R22 was full in the unit and it was operating efficiently and effectively at the time of service. I was relieved that a new unit was not quite necessary at this time in complete contrast to the first company who came out two weeks earlier. I am getting 18 degrees temp differential, which was why I questioned first company in first place.I will not need to look any further for my future needs!Thanks guys!!PS: the technician Stephen! What a breath of fresh air. Knowledgeable, professional, helpful! What more can you ask for!
Ravish K. S.
Ravish K. S.
19:06 21 Jun 22
中村明彦
中村明彦
15:04 21 Jun 22
Sherman was very professional. He made sure to change shoes when coming inside versus the wet grass outside. Explained what needed to be repaired and took care of the problem.
Nightwolfe T.
Nightwolfe T.
19:23 17 Jun 22
Tech was on time and professional. I have a mini split that is not cooling properly. Added refrigerant and got a 24 plus degree drop acros the coil on a hot day. If happens again a lek test may need to be done.
Bill S.
Bill S.
20:01 16 Jun 22
They did a great job. Arrived on time worked hard and got the job done. I would use them again.
Michael S.
Michael S.
16:37 16 Jun 22
Thought something was wrong with the AC. Stephen came out same day did a thorough check and nothing wrong Charged me the standard fee. Will now need more insulation in my attic.
Dereck M.
Dereck M.
22:46 08 Jun 22
We received fast, friendly and professional service. The bill was also affordable. Darius was very informative and courteous. I do recommend this service.
Secretha C.
Secretha C.
22:07 02 Jun 22
Great customer service and the service technician very understanding and took the time to explain to me what my issue was and the cause and that meant a lot. I have used them for at least 3 years and they always have the same professionalism
Sharon W.
Sharon W.
19:48 19 May 22
Darius from Blue Diamond was a great tech to work with. Was very knowledgeable and helpful.
Malik J.
Malik J.
23:09 17 May 22
Showed up within a few hours of calling and diagnosed the problem. Got my AC back on!
Lance T.
Lance T.
21:04 17 May 22
One of the most professional HVAC operations in the Dallas area. They were on time, reasonable, and helpful with all my followup questions!! Highly recommended!
Edmund A.
Edmund A.
21:07 14 May 22
Richard C.
Richard C.
16:01 13 May 22
Darius, my technician was very professional and courteous. I had a bit of an unexpected scheduling issue that arose last minute. Diamond Blue Air and Darius were both very understanding about it. Happy to recommend!
Bio P.
Bio P.
14:39 11 May 22
as we would say in the Marines "{Best damn ac company and crew on the planet"
Julie M.
Julie M.
14:14 29 Apr 22
K F.
K F.
14:18 21 Apr 22
Rick and his folks were very professional, courteous and prompt. Would definitely recommend for any AC service.
Dan Y.
Dan Y.
00:50 30 Mar 22
The service was excellent and the technician was outstanding.
Jordyn B.
Jordyn B.
21:52 04 Mar 22
BARBARA F.
BARBARA F.
21:15 04 Mar 22
Joe E.
Joe E.
18:13 27 Jan 22
I recommend Diamond Blue Air highly awesome to work with in every way.
Ahmet S.
Ahmet S.
10:20 27 Jan 22
Tina B.
Tina B.
12:18 24 Nov 21
Donna T.
Donna T.
18:12 16 Nov 21
Technicians courteous and friendly. Arrived promptly at the specified time. Explained what needed to be done and completed the work in a timely manner.
Bob K.
Bob K.
13:24 16 Nov 21
Gen C.
Gen C.
21:46 08 Nov 21
Our ac went out and Diamond Blue Air was able to come out the same day and repair it within a few hours. The technician was friendly and professional, knowledgeable and did a great job. I recommend this company 100%
Gracie A.
Gracie A.
21:17 03 Nov 21
Absolutely recommend! Scheduling was a breeze and they were able to come out bright and early the day after I called to fix our furnace. Stephen was on time (even a few minutes early), very nice and respectful and always put shoe coverings back on when coming into the house. He explained everything simply to us and recommended a pest company for a few rodent issues he saw. The easiest process and so quick! Will absolutely be calling them again for future issues
Stefano R.
Stefano R.
16:16 27 Oct 21
Very friendly ,punctual,Knowledgeable service! They do what they say!Really to recommend!!Stefano Rossi
Wendy A.
Wendy A.
19:57 26 Oct 21
Rick was able to scheduled me for the same day. Stephen called and was able to arrive early. He diagnosed the issue and had it back up and running quickly. Both guys were very nice and professional. Will definitely use again.
Cheryl P.
Cheryl P.
12:15 05 Oct 21
J B.
J B.
14:53 04 Oct 21
My wife & I have been quite pleased with our interactions with Diamond Blue Air. Jerry Hicks, the owner, was congenial and helpful. Rick, the manager, promptly and courteously responded to our need for help with our central AC system. The technician, Darius, who arrived at our house soon after our call, was courteous, agreeable, and efficient. He was competent and effective at evaluating and remedying our problem. He repaired only what was necessary, and the cost to us was very reasonable. Diamond Blue has earned our confidence and trust.
Ram Y.
Ram Y.
22:05 27 Sep 21
Great Service and very Professional !!I have used Diamond Blue Air service for my house AC repair. they are really very responsive and very technical in fixing the issue.Defiantly I will recommend their service to everyone!!
Rick H.
Rick H.
16:30 26 Aug 21
Jay C.
Jay C.
21:17 23 Aug 21
This company was great! Did a lot of research prior to choosing them and had a great experience. Great service and great price. I now have an air conditioning company I can trust and call on in the future.
Prakash R.
Prakash R.
22:01 10 Aug 21
lakshmi S.
lakshmi S.
23:05 09 Aug 21
My ac was not blowing cold air and I was hesitant to call anyone to come look at it. I looked up A/C repair on Home Advisor and made the call. Much to my surprise, from the initial phone call until the job was finished I had a great experience with excellent customer service.Stephen arrived promptly and did a precise evaluation of the problem. He was very knowledgeable, professional, and courteous explaining every detail.Will definitely use them again and I highly recommend them. Would give them 10 stars.
Aparna C.
Aparna C.
18:50 05 Aug 21
Darin G.
Darin G.
16:15 30 Jul 21
Enow Neba Ayuk E.
Enow Neba Ayuk E.
18:11 26 Jul 21
Olly
Olly
16:26 22 Jul 21
Darrius is so knowledgeable and professional and I’m so grateful for his help. Our AC wasn’t blowing out cool air late Wednesday night and he came out early the next morning and found we had a bad capacitor and replaced it on the spot. This is the second time I’ve used the company and both times they have been truly wonderful. Only AC company I will call when I need help.
WRD C.
WRD C.
22:18 05 Jul 21
Steven K.
Steven K.
21:21 28 Jun 21
Dimond Blue sent a service man the same day I called. He quickly diagnosed the ac problem and replaced the capacitor. He was very knowledgeable and friendly. Thank you Blue Diamond.
Christina T.
Christina T.
22:40 25 Jun 21
Customer Service was good. They even addressed concerns one week after service. Will use them again.
Marry M.
Marry M.
23:51 17 Jun 21
Mike E.
Mike E.
17:33 17 Jun 21
Stephen arrived promptly and did a precise and thorough evaluation of the problem.
Rose Van A.
Rose Van A.
00:27 16 Jun 21
I was very hesitant to call anyone to come look at my AC. I was prepared for a horrible experience. Much to my surprise, from the initial phone call until the end I had a great experience with excellent customer service. Darius was on time, professional and completed my repair quickly and efficiently. I will definitely use them again. They did not try to cheat me or anything, it was a great experience.
Patricia T.
Patricia T.
01:30 27 Aug 20
Excellent customer service from the first phone call from Chance, to the air duct cleaning from Darius and Simeon! They were helpful in explaining every detail and very professional and courteous. I highly recommend this company for any services that they perform! They went above and beyond to make sure they did the job right! Would give them 10 stars for sure!
Sandra H.
Sandra H.
18:01 12 Jul 20
I cant say enough good things about this company. Technician arrived before scheduled time, was very professional and knowledgeable. didnt try to up sell services or products. Excellent communication with the client before they come out.
Dan W.
Dan W.
16:44 09 Jul 20
Chance and his hard working crew did a great job! Our A/C went out the night of July 1st. I looked up A/C repair on Home Advisor the next morning and Chance was the first to call. He came over within 2 hrs. of our conversation. He quickly diagnosed the problem correctly, explaining everything he was doing along the way. He told me he could start to install both units 9 am the following day, July 3rd. He showed up promptly at 9. He said he had some bad news and good news. The bad news is the warehouse is closed for the 4th of July holiday. The good news is he paid the warehouse to open up so he could pick up the A/C units. However, the warehouse didn't have the unit in stock we had purchased. Chance being a man of his word gave me a free upgrade on the units so my family would not be without A/C on the very hot days that followed. 95 plus! Texas heat! The entire crew were great. One of them even bought my 2 kids ice cream from the ice cream truck that passed by. I am very pleased with the work that was performed by all the crew at Diamond Blue.
Danny J.
Danny J.
21:49 25 Jun 20
Nisha Price- M.
Nisha Price- M.
17:10 20 Mar 20
The company was recommended to us by a family friend. Darius was extremely professional. He was knowledgeable of the service and products that they offered. He discussed different options and we felt very comfortable with what he shared. The customer service went above and beyond by ensuring that our system remained functional until replacing. I love the companies protocol for ensuring their technician safety as well. Thank you so much.
LiChing L.
LiChing L.
23:56 05 Mar 20
I was very impressed by Darius and Simeon’s thorough services. They came to clean my air ducts but didn’t mind checking other plumbing issues at all without extra charge. My air ducts look so clean now! I highly recommend this great company.
Jin K.
Jin K.
14:18 06 Feb 20
I had a water heater that gave out on me and I contacted diamond blue for repairs. They were already on a tight schedule and booked for the week but they made the time to squeeze me in. That says a lot about how much they care about their customers. They came in and assessed the damage then told me what needed to be done. Also advised me what my options were. Anyways it was a great experience and i would definitely use them again!
Deborah B.
Deborah B.
00:39 15 Jan 20
Just "top notch" throughout the entire process. Darius and Roy were terrific; explaining the process along the way and emailing before and after pictures. I coordinated this job long distance and they were terrific to work with. Thanks so much and I'll tell all of my neighbors and friends.
greg C.
greg C.
14:55 04 Dec 19
Roy came out was very professional and got the job done. Then when something went wrong and he came back he was just as helpful as before. Total professional and great guy.
Roger B.
Roger B.
22:23 25 Nov 19
Roy and Darius did a great job diagnosing the problem, ordered the new part, and fixed it quickly. They were very knowledgeable, explained the situation very clearly, and were very friendly. They did an excellent job. Will definitely call them back.
Debbie K.
Debbie K.
01:24 25 Nov 19
Awesome service - friendly and professional. Really worked with us. A real pleasure to deal with Roy!
Zabrena Van S.
Zabrena Van S.
18:13 15 Nov 19
Roy, was quick and on point to fix our heating needs. We will be using DiamondBlue again if we need anything in the future!
Bryan C.
Bryan C.
20:02 13 Nov 19
Roy was awesome! Found the problem quick and didn’t try to up sell me. Brianna was also very friendly over the phone when I called. Company seems like it’s filled with a bunch of great people. Definitely recommend!!
Amber T.
Amber T.
18:51 31 Oct 19
Very quick and friendly service!
Maria C.
Maria C.
17:17 29 Oct 19
Technician was great very helpfully gave us several options on repairs. The job was completed quickly and correctlyThanks
Alejandro A.
Alejandro A.
00:55 06 Sep 19
Roy came out for my seasonal check, and noticed some unsafe issues. After all the headaches I experienced with my last AC tech I’m thankful DiamondBlue sent Roy. He was courteous, knowledgeable, and profesional! I’ve been in the rental house business for quite sometime, and you can’t put a value on having a good reliable AC tech!
Jody L.
Jody L.
13:08 04 Sep 19
Jody Perry did a fantastic job with the ac check up. He did not try to high pressure sale me as other companies have in the past. 5 star rating for 5 star service! Thanks again!
Cindy W.
Cindy W.
15:52 03 Sep 19
Roy and Jody came and did an amazing job on my ac tune up. They treated me like family! I will call Roy at DiamondBlue first for all my hvac needs
Leslie M.
Leslie M.
13:05 03 Sep 19
I needed a 2nd opinion on replacing my AC. Diamond Blue Air sent Roy and Jody within 30min, and they found and repaired my system within the hour. I didn't need a $15,000 new system. The repair was actually still under warranty. I'll never call the TV guys again. Diamond Blue Air exceeded my expectations.
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Our Promise To You

Diamond Blue Air will only send a certified professional to your home or business. All of our friendly technicians are bonded and insured. When you need service, you need an honest expert who understands your complex HVAC system.

Our Guarantee*

Our 100% Guarantee* means that if you are not satisfied with the installation or repair service provided, for a period of one (1) year following the initial date of the installation or repair service in question, we will come back at our own expense until it is completed to your satisfaction. This guarantee does not apply to any defects arising from use of the system or product for a purpose other than its intended purpose, misuse, alteration, accident, abuse or failure to maintain the product serviced or installed.

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TACLA26509E

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