Get matched with top geothermal heating or cooling system installers in Round Rock, TX

"July 2017 OAT +101 (F) -one of my AC units stopped working. I called them at 3:30 P.M. Wed. and they tried to to help me that same day , but of course, with the temps in the 100's they were very busy with other emergencies. They got to me first thing the next day and had my A/C up and running within a few hours. Great service! Great communication! I would definitely recommend them. They will do all my future HVAC work."

"My system went down. I called for repair. cool time showed up on time And in a timely manner had my system diagnosed. the system was old and outdated. So we made a decision not to repair. We had the system replaced, the job was done in timely manner and very professional staff. We appreciate everything you have done for us."

"I can not say enough positive about Chris and Chuck and O 2 KOOL!! Chuck came out in early January to look at my old Trane gas furnace .. he got it going with no trouble. Now today ... during our ice/snow armageddon it went out again. I called and Chris FaceTimed with me .. looked at what was up and talked me through how to relight the system myself. Good news .. I now have heat! I strongly recommend them to anyone who needs help with their heating and cooling system! They not only helped, but assured me .. a 60 yr old woman .. everything would be OK and safe. That is a VERY rare quality!"

For over 48 years we have been a family owned business in Taylor, TX. We take great pride in our experience, expertise, quality and the customer service that we provide to meet every consumer's needs.\nIt is our mission to provide excellent customer service from start to completion of a project.\nTo understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner.\nOur reputation is based on service, safety and quality, regardless of how large or small the job.\n

"The reason for the 4 rating and not a 5 is the sales part of the experiences not the technicians and the work done. Larry was the technician for my water heater. I have previously written a review for the AC installment. Larry is amazing. He has a lot of experience but what impressed me more was the fact he was totally honest & cared about my experience as the consumer. I was actually told by one of the salesman that Daniel’s prices are higher than other companies. He was correct. They seem to want to immediately try to sell a new replacement without considering the customers situation. My water heater is only 15 months old but I clearly got a ‘lemon’ and it took 3 major parts to be replaced before it was fixed. The parts were still covered by the manufacturer warranty but the labor was not. After several trips it was fixed and from my conversations with the salesperson I felt he was pushing for me to purchase a new water heater and not really understanding of the fact that I had just replaced my AC and my water heater was only 15 months old. In the end, Larry, the technician, did the right thing. It has been a week now and my water heater is working fine. I appreciate honesty more than anything when dealing with these things. I feel like I got it but it took some extra pushing on my part and a technician who stood by what he said. The owner or rep of owner replied to my previous review on the Daniel’s site. I hope this review gives him the answer to why I have not given 5 stars for either review."

"Very professional with an amazing response time. Marcus is the only HVAC guy Iâ ll use. This is the second time Iâ ve had him replace a HVAC system in the past 3 years. As a real estate investor, itâ s reassuring to know things will be done right the first time."