Morrisville's Top Rated
HVAC Company
Klimatology HVAC

Air Conditioning Repair, Heating Repair & Installation Services in Raleigh We offer HVAC repair, maintenance, installation & replacement in Raleigh, Chapel Hill, Durham, Cary, Apex, Morrisville and Wake Forest. Let us help you today! Air Conditioning Heating Install & Replace Service & Repairs Professional, Affordable HVAC in Greater Raleigh We are a licensed and fully insured, locally owned and operated business with trustworthy  HVAC technicians ready to service your Triangle-area home. We pride ourselves in providing prompt, reliable service to our customers. We are a family-owned business with a customer-first mentality. We pride ourselves in providing prompt, reliable service to our customers. (more…) WHAT CLIENTS SAY TESTIMONIALS They were great. They provided lots of options, answered my questions and gave me the best price. The installers were efficient and courteous. I couldn’t be happier. John L. The technicians were very thorough, prompt, and experienced. They explained the charges well and the need for the replacement parts and my HVAC system. Jonathan S. Wonderful experience all around… from scheduling, to the technician identifying the issue and fixing the unit. Very respectful to my property, very polite…. easy to pay. They showed up within the timeframe that was communicated to me. As I said before a wonderful experience, all around we will be using them again in the future!!… Read more “Valeri M.” Valeri M. The team did a great job installing our new HVAC system. The price was fair and the communication was solid throughout. They explained everything with our new system thoroughly and it’s all working like clockwork. Thanks so much for your help and great work! Bryan C. My heat went out on a Saturday and Klimatology came out right away even though I’m in Carrboro. They wound up fixing my HVAC so well that it seems better than ever. I’m very grateful to you Klimatology! Megan P. From start to finish, excellence every step of the way. Andrew came out to look at my 26 year old AC system which had started to leak coolant, and recommend what to buy next. Integrity sums up his style. Fully honest about pros and cons. He continued to stay in touch and follow up for… Read more “Kathleen P.” Kathleen P. Seasonal maintenance check/service. Offered multiple time-slot options to suit my schedule. They provided real-time updates on their arrival time and arrived within 5mins of the originally scheduled time (that just hasn’t happened with other service providers). Technician was thorough and provided details of what they were doing and what they found/recommended. No upselling…just clear honest… Read more “David I.” David I. Called for HVAC (AC) not working. Very professional and showed up on time. Clearly explained what they were doing. Luckily it was a minor fix and I was charged only for consultation. Highly recommend. Krishna C. While they are costly and charge a service fee each time they come out, and it’s not taken off the repair cost; they get the job done. Kris I didn’t get past the initial phone call. I told them I needed a central hvac system replaced, and I needed a quote on a new unit. I had the heating and cooling capacities that I needed. They said there was a $75 diagnostic fee. I said I didn’t need a diagnostic performed, I needed… Read more “George D.” George D. They responded and came to my home the same day I contacted them. The technician was knowledgeable and was even kind enough to explain to me what my issue was, as well as providing tips on how to prevent. I will be using them for my HVAC issues or maintenance moving forward! William F. We were in need of an estimate for a HVAC replacement system. They were very prompt in sending Andrew over . I cannot say enough great things about his professionalism and knowledge . We got a very competitive quote the same afternoon and install completed two days later . Andrew communicated with us throughout the… Read more “Oana C.” Oana C. THIS is the company you want. Carlos came out to our two-story house and diagnosed heating issues. While the ducting wasn’t properly installed when the house was built, he was able to make some adjustments and make the temperature SO much more comfortable. Professional, friendly, good communication…everything you want in a service person coming to… Read more “Beverly ..” Beverly .. 15-year 2nd floor A/C stopped working (ran out of refrigerant). Very thorough/transparent on their estimate and answering any questions I had. They did a full calculation to determine the existing furnace/AC was severely oversized. Installation was smooth. Will use them for maintenance and future replacements going forward Manu S. Our old boiler/radiant heat system was banging last season and before we could turn on the heat this year, we knew we had to have it checked out. Andrew, a Midwest transplant like us, was familiar with boilers and made a valiant attempt to repair ours. Unfortunately, during the course of soldering copper pipes, a… Read more “Chris B.” Chris B. They come to replace my broken thermostat. Very professional and kind. Price is reasonable. I will definitely consider them if I need to update or maintain my HVAC system. Henry Y. We received great fast service from the owner operator. I highly recommend for ur HVAC service. Bruce A. Stop. Don’t keep looking. You’ve found the HVAC company you want to hire. Yes, I’m a real person. No, I haven’t been incentivized in anyway to write this review and, no, I had no prior knowledge of or relationship with this company. Nihat Yucel (Owner) and his small team are the service providers you hope… Read more “Ahmad M.” Ahmad M. Klimatology was amazing to work with. Starting from the consultation to the end results. Nihat and Jose were incredibly professional, punctual, and knowledgeable. We needed to add a gas line to a new pool heater and they gave an reasonable price, they were on time and finished the project ahead of schedule. They were great… Read more “Kelly B.” Kelly B. Really great experience with this company. Nihat was great. My A/C unit would not start. I couldn’t figure out what the problem was. I scheduled an appointment with Janice just texting and it was confirmed. Nihat came on time and wore a mask. He was quick, efficient, and honest at a good value cost. He… Read more “Mae T.” Mae T. Nihat Yucel…the owner came out to diagnose an a/c problem we were having. He was very prompt…thorough and professional. He took his time and explained everything to us. We are very happy that we found this company…we cannot say enough good things. Thanks so much!! Deb S. They were great! Goodmon went the extra mile to help us out and gave advice on how to avoid the issue in the future and for a very fair price. I definitely trust Klimatology way more than past technicians from other companies who overcharge and still not manage to fix the problem. Tina N. I can’t recommend this company highly enough! I submitted a request this morning after waking up and realizing I was freezing and therefore our heat was clearly not working. I placed an inquiry with several companies on Yelp. Klimatology was the only one to respond immediately with an appointment offer for 10:30am same day service.… Read more “L B.” L B. I want to take a moment to acknowledge one of your technicians, Parker, who came to my house yesterday for winter maintenance on my two HVAC systems. Parker impressed me in several ways: He arrived on time and wore shoe covers without needing to be asked; He provided excellent service on both units and kept… Read more “Donald Antoncich” Donald Antoncich We had one of our units stop working and Parker from Klimatology came out the next day and diagnosed the problem quickly. He had to get a part to fix the unit but was back the next day and fixed it. We’re really pleased with his professionalism, knowledge and timelines. Alisa Golson Keith Farmer provided the absolute best service I’ve ever gotten not only in HVAC but ever. He was incredibly patient, knowledgeable, kind, considerate, helpful and explained every tiny detail and answered every question I had. We need more Keith’s. Shan S While getting a new HVAC system can be a bit stressful, Klimatology did a great job with my new installation last week! I went to four different companies for quotes and the owner himself (Nihat) came out to do the inspection. No major upsell, very honest and sent me a quote with multiple options (Goodman/Trane)… Read more “Ron Wen” Ron Wen Last winter, I had an issue with my HVAC system — it was blowing cold air. I first contacted the company that originally installed it, and they recommended replacing the entire system due to a supposedly broken heat exchanger. Concerned about the high replacement cost and suspicious of their diagnosis, I reached out to Klimatology… Read more “Mike K” Mike K They were punctual, professional, and provided top-notch service. The team was efficient, knowledgeable, and made the entire process smooth. Highly recommend! Serhat VURAL Highly recommended! Our heating stopped working on a very cold Sunday morning, and the owner himself came out to cover the call. He quickly figured out the problem and we were warm again. Very knowledgeable, professional, and courteous. This is a family-owned company and they take great care of their customers. We have already recommended… Read more “Anne Buckley” Anne Buckley If you need your HVAC problem solved, look no further! My heat wasn’t working and I called Klimatology and got an appointment immediately. The technician, Ernest arrived on time and was very respectful of me and my home. He wore shoe covers which indicates regard for my home without my requesting it and he took… Read more “Beaulah Owens” Beaulah Owens Heater went out so I called on Monday, got the estimate on Tuesday, and then the replacement was installed today, Wednesday. Very clean install and professional service. Reed Law I’m thoroughly impressed with Klimatology! From the super friendly and professional office staff (so sorry I forgot the young lady’s name) to the awesome technician, Keith, I couldn’t be happier. I needed an evaluation of the HVAC on a home we are purchasing in Carolina Arbors. Scheduling was super easy and flexible. We were quoted… Read more “Larry Sheeler” Larry Sheeler I’ve been using Klimatology for a couple years now and have zero complaints. They communicate well, are straight-forward and reasonably priced. I had an issue that started last night with one of my HVAC zone dampeners – they were able to come out the next afternoon and Keith had me up and running in about… Read more “Stephen Wesner” Stephen Wesner Our experience with Klimatology was excellent from start to finish. The owner of the company, Mr. Nihat Yucel personally visited us in person on a weekend day for a free initial consultation and was very professional and polite. He then promptly provided us several quotes electronically with a great variety of options to replace our… Read more “John” John Outstanding experience Juliana Schwartz 6/23/24 Sunday afternoon my heat pump a/c stopped working. I requested service via there website Sunday night. The Next morning technican Anes was at my house at 8 am. He was Professional, personable, knowledgeable and just absoutely a pleasure to work with. He got my unit up and running and cooling in 30 mins. There… Read more “Larry Nunn” Larry Nunn Service: HVAC Maintenance Check & installation of new smart thermostats. Date: 06/10/24 Technician: Keith Overall Rating: FANTASTIC! I would rate Klimatology 10 stars if possible. I prefer to get personal recommendations for HVAC service but I had none. I did my due diligence research from Google reviews and Reddit. My research paid off! 1. It… Read more “Sue Geo” Sue Geo Wow! Nihat at Klimatology was AWESOME! Hands down the only HVAC Company I will ever use again!! (See update at bottom also!) I called him because I was trying to find someone in HVAC to move an Air Return in a chase behind a closet wall, about 10″ in order to remodel a bathroom. I… Read more “Jill” Jill Klimatology and their HVAC technician (Eran? sp), and receptionist deserve 5+ Stars! The appointment setting process, price to perform maintenance, explanation of service(s), timeliness of appointment, and professionalism was Great! I plan to use their services in the future! Thanks for doing a great job! domc011 From the initial estimate on a new HVAC system to the install and follow up they provided 5-star service. We are very happy with the entire process. We plan to use them again when needed. Thank you! G Haake They are simply the best. We had other HVAC companies try to talk us into replacing our unit. Klimatology gave us options and an estimate when we will need to replace our unit. If you want honest business performance use this company Suzanne Nichols We Service All Makes & Models