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Desert Diamond Air Cooling & Heating
Home Care & Success Stories
Desert Diamond Air Cooling & Heating
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Don B.
I had my airconditioner/heat
Pump inspected by Stephen.
I had used other companies on the past and they did not inspect the unit as he did. Bell Air-conditioning quoted me work I did not need done.
I am was very impressed with the thorough inspection and would use them again.
Review from Google
Jeff T.
Nixa was dispatched on short notice and was able to immediately understand our concerns and provide immediate relief. She then went about gathering addition information and committed to researching further opportunities to increase the performance of our new system.
Within 30 minutes Tyler, our Salesperson, reached out and asked to stop by. Additional pictures were needed as Nixa had already reached out to him and discussed performance improvement opportunities.
Incredible customer service and commitment to our satisfaction.
William B.
This company was really great to deal with for such a large purchase. The estimator (Tyler) climbed in my attic, discussed my wants and needs, and developed a plan that worked perfect for my family. They provided options and discussed pros and cons. Esteban was one of the installers and was super professional and awesome to work with. The quality of their install was evident when I inspected. I would recommend this company to anyone looking to replace their AC unit.
David C.
Sam did an outstanding job in getting my old unit up and running. They let me use a portable A C unit to use while the new system is ready for installation. They go above and beyond in customer service.
Review from Google
Stu K.
Gary arrived today and did my 6 month maintenance. My previous tech, Ivan is no longer with Desert Diamond. He was by far my favorite tech. Gary did an excellent job in every category of checking my system and performing the maintenance tasks. He is a super nice guy and very knowledgeable. I was a little apprehensive in having someone else come who I didnāt know yet and take care of everything. I am very happy to say that Gary has proven to be my tech of choice now. I know there is some turnover in the HVAC industry and now I hope that he stays with Desert Diamond. He has assured me that is his plan. I look forward to having him take care of my system for years to come.
Ivan came out to do my 6 month maintenance. As usual he was here on time and went through everything on my system including getting into the hot attic to check the air handler, coil, drain pan and whatever else he does up there. He then checked everything on the outside condenser and made sure everything was working great, refrigerant levels were correct and also hosed all the dirt off the outside unit. He has been here on the installation and has performed the maintenance for about two years. He is super knowledgeable and a super nice guy. I hope he will always be available to take care of my system. I donāt know how anyone could do it better.
Ryan got here a little earlier than scheduled and was able to get our 13 year old AC unit up and running. We have been in this house two years and we were not aware that AC units do not last as long in AZ as in other states. He was very professional and also a nice guy. He explained everything and also emailed me several options to replace our old system. No one wants to hear that they need to replace their system, but you canāt be without it in AZ. We will be replacing ours within the next few weeks. We are very happy to have our AC working again. The response time was only a few hours from the phone call to the office to having AC again. Thank you Ryan!
Loren M.
Thank you Sam for repairing our AC issue and speedily fixing it and with care - we really appreciate the flexibility and advice he gave on taking care of the unit and working with our home warranty. Desert Diamond was the only place in our area that could send out a tech on the same day for diagnosis and repairs. In AZ summers, that's a huge plus. In addition, once we got the authorization for the repairs, he came back out in a timely manner to repair our AC and stuck to the quote within cents. Thank you again!
Review from Google
Review from Google
Review from Google
Review from Google
May 16, 2026