Our Most Recent Service Reviews

Very thorough plumbing inspection fully complimentary for being an annual member for the HVAC side. They did dye tests on all toilets, checked sinks, and water heaters. Did water harden tests along with chlorine levels and made valid recommendations. The combination of master plumber James Harr and soon to be master plumber Matej Bzdil made the inspection quick and easy. Highly recommend and will use them again!

My old HVAC system was at the end of it's life in 2024. After a few estimates, I chose McCullough to replace it. A 2-stage 2 zone Carrier system was installed and has been a great decision. Because of problems with the original ductwork, everything feeding the second story was also replaced. The new system is very efficient, reducing my cooling bill significantly. A small problem popped up and the technician was able to diagnose and repair it very quickly.
The price was reasonable considering the extent of the work. I enrolled in twice a year maintenance and have had no additional costs.
It's a great company with well trained and considerate people. I highly recommend McCullough for installation, repairs and maintenance.

Miko. Showed up for my ac tune up.
He was professional and to the point.
I'd recommend McCullough.

Good communication, fast and thorough work. Thomas was great- fast and thorough! Thomas also came back and made sure a drainage leak was also fixed. Highly recommended!

Blake was my service tech for semi-annual system maintenance and he was punctual, polite, knowledgeable and helpful. Five stars!

Seamless and professional experience with McCullough! Our tech Blake was easy to work with and explained everything he did. Showed up during the time frame, easy to communicate with, and was professional.

Recently Henry Harris was assigned by McCullough to check my AC system which had a leak. He made three visits to my residence and made sure that he found the source of the leak. He was professional and friendly. I commend him for the job that he did. He left good pictures and made it easy for the repair technician to do his job of fixing my AC leak.

I came home from being gone for a few days and it was 88 degrees inside my house in July. I immediately called McCullough and technician EJ Pittaway was at my place almost within an hour. My AC was fixed and running properly in no time and the cost was moderate. I had anticipated at least 24 hours of misery but McCullough fixed my problem within 2 hours of my return home, and EJ explained everything to me and showed me the gauges and diagnostic tools he used. They are my heroes.

Ryan helped me diagnose the issue and was extremely knowledgeable and took the time to explain what was occurring, my options, and next steps. The whole McCullough team was a pleasure to work with and fit me in very quickly, which is important when your AC stops working in summer in Texas!

Mico is great guy

My AC went out this afternoon and McCullough was able to send Michael out after hours to fix. It was an easy fix, but he made sure to check everything so he knew what caused the outage. I appreciate the thoroughness!

Excellent service and an expert team! Miko was kind, professional, and thoughtfully explained how my system could be improved while encouraging me to take time before making a decision. Very respectful and did high quality work. Recommended!

Craig came out to our house today and I could not be more grateful, he was incredibly knowledgeable, kind and courteous and he diagnosed the refrigerant issue in our AC unit within 60 seconds of looking at our unit. He went above and beyond and was incredibly thorough, testing everything afterwards. Honestly the single best experience I’ve had with an hvac company.

Kyle did a great job of inspecting our AC, recommending improvements, and completing the work expeditiously. He also told me about a program for twice-yearly HVAC inspections that would, in the long run, save money.

Shawn May came out and was able to diagnose and fix the issue quickly! Super grateful!

Mike did an amazing job fixing our broken AC on a hot Sunday in Austin. He explained the problem and its solution very clearly and even did some extra maintenance for us. Fantastic experience! We have been very happy customers of McCullough Heating & Air Conditioning.

Michael came out on an emergency call and accurately diagnosed our leaking air conditioner unit and made suggestions to repair and alleviate the source of our problem. He was punctual, professional, and had follow up repair work scheduled upon completion of the service call. McCullough always comes through for us.

Excellent, friendly and fast service. Mike was a great technician. Great quality and great pricing! I will definitely continue to use them.

Excellent service! The technician was professional and knowledgeable. He fixed our AC and made sure everything was working perfectly before leaving. We really appreciate the great service and would definitely recommend this company!

Technician was very thorough and explained everything to my satisfaction. I always use McCullough. Wish Mico could come out every time. Please give him my regards for a job well done.

Blake was helpful and explained everything. He went above and beyond on a routine maintenance visit when he discovered my drain line was blocked. Update: later in the day, the AC stopped working. Mike came out today and thoroughly cleared out the drain line and got the AC working again. He was extremely helpful and professional and made an adjustment that should prevent the line getting blocked in the future. Super customer service!

Had a service call today with the technician.Michael, he came out promptly at around 8:15 AM.He.Identified the problem relatively quickly , with my compressor having an issue and was able to set up an estimate this morning so we can get the process expedited and taken care of I truly appreciate my call coming out with such urgency.This morning and getting me a resolution before this afternoon

Michael M was great and quickly identified the issue we were having. his knowledge of the mini-splits is very thorough and he gave insightful tips on optimizing their operation.

Great service!!

Responsive to concerns and each service person is very professional. I do not trust "AI Jane," since I recently left a couple of "urgent" messages with her and a service person wasn't dispatched until I got a human. They are "tweaking" her to be more accurate.

Kelvin from McCullough Heating and Air came out for a deep-dive evaluation of our system and was excellent from start to finish. Rather than just pushing me toward an expensive fix, he walked me through every step of his diagnostic, ran real troubleshooting, and even reached out to colleagues for a second opinion to make sure we got it right. He was friendly, thorough, and genuinely investigative — a real problem solver who clearly cared about understanding the actual root cause instead of guessing.

What stood out most was that he didn’t want me spending money unnecessarily. No gimmicks, no upsells, just honest evaluation and straightforward solutions. My last company did just the opposite, which is how I ended up needing a second opinion in the first place — so Kelvin’s transparency meant a lot. He earned my trust and my future business by delivering real value. If you want someone who treats your home like it’s their own and gives it to you straight, ask for Kelvin. Highly recommended.

Good communication, fast and thorough work. Thomas was great- fast and thorough!

Mike our technician replaced a bad computer board. He is very polite and knowledgeable. Will always use McCullough for our HVAC needs. Thank you

Blake did my HVAC summer maintenance check on 6/19/26. He was prompt, courteous and thorough. Provided pictures of what he saw and work that was done. Provided 90 day estimate for possible compressor problem to my email. Will schedule for future date. Well done!

Blake was super helpful and explained everything! He went above and beyond on a routine maintenance visit when he discovered my drain line was blocked.

Great support! The technician stayed on the job until he had verification from Trane that the part was in stock and could be quickly shipped to repair my AC.”

Chris Mika was great! He was very polite, friendly and professional. He showed up promptly and was thorough checking both of our AC units and clearly knowledgeable. He was respectful and not pushy. Highly recommended!

Mike M is absolutely stand out solid - motivated, knowledgeable and incredible work ethic. If he plans to branch off with his own team/co I’ll be first in line to invest. Above and beyond squared

I am very appreciative of your technician Jaiden for making time after a busy day to come repair my AC in the late evening. He quickly diagnosed the problem and fixed it that evening. He is very professional and provided excellent customer service. I highly recommend Jaiden to anyone needing AC/ heating service. Thanks again Jaiden!

Thomas did a great job getting to the cause of our problem with the Ecobee Comfort settings and correcting the problem. He was also very patient and helpful guiding us through the menu of options and settings related to the problem.
In addition he helped us with our concerns about the Ecobee air quality monitoring and provided useful insights into possible causes and solutions.

Technician Shawn May went over the top for us. After initial inspection and component replacement, it was determined and another component was the root cause. This was late afternoon so he called someone at McCullough to reopen the warehouse so he could get the AC up and running that evening. That’s the kind of service McCullough provides. They replaced our complete system when we bought the house and have stood behind their work every step of the way. We honestly couldn’t be happier.

Blake provided friendly and efficient service.

Eric Suarez did a great job of installing some new equipment and is friendly, helpful and efficient. McCullough always provides expert service and first-rate equipment!

We had an issue
Diagnosed same day and temp fix
Replacement yesterday and team was great
In our time of need they met our challenges
Highly endorse
Pictured here are Mark and Christian. They were both incredibly hard working, very neat and extremely fun to talk to. They set the expectations, regularly communicated progress and discussed options. I felt so comfortable that I left for a few hours to run some chores for the house. They built and earned TRUST!

Josh quickly diagnosed the problem as a bad switch, and he was able to quickly replace it for a reasonable price. A/C was back on!

Blake was fantastic! We will ask for him specifically next time we use Mccullogh!

Miko

was efficient very friendly courteous, and did an excellent job. I highly refer him.

Absolutely amazing experience. James gave the most extensive overview of my plumbing. He thoroughly discussed recommendations and sent a full report. He was not flustered or distracted by my dogs who showed great affection. James is a real people person taking in account my age and lifestyle when assessing my plumbing needs. McCullough made a great decision to add plumbing to their services and found a real gem by hiring James.

Evan and his team at McCullough Heating and A/C were professional, courteous, knowledgeable, and efficient. I highly recommend their services.

Friendly and professional.

Eric was exceptional. Today he reset my complicated new wifi-connected thermostat that had gone offline and taken my AC with it, and then taught me how to do that myself. He spent time checking all possible causes for the outage, patiently explained the process, answered my questions, and provided a solution: surge protectors to prevent power surges or brief outages from knocking out my thermostat and HVAC again. He also took time to show me features I’d been unaware of so I can make the best use of my new HVAC system. He also checked output and temperatures at each vent and was able to cool down the warmer rooms. He was courteous, knowledgeable, and kind, and left me feeling reassured of McCullough’s excellent service and moral support.

Just finished my project and had a great experience overall. I shopped around with all local, reputable companies and McCullough really blew everyone out of the water. My project manager Peter was knowledgeable and had a no pressure, educational approach. He was the only sales rep that took the time to fully explain the Austin Energy rebate program. By leveraging the program, I was able to get a new dual stage HVAC unit, attic insulation AND brand new duct work for less money than the next best priced proposal that only included a new unit. The rebate program also offers 0% interest financing for 10 years, which was by far the best financing offer from all the bids I received. All of the install technicians were very professional and courteous. Jimmy the supervisor ensured everything was up to their high standards of quality and inspection ready. You will be hard pressed to find another company in Austin that is not private equity owned, has a no pressure/professional sales process and high quality installation for a great price.

Miko was knowledgeable and informed us of every step along the way. Will use again

Blake completed our semiannual service check. He worked efficiently, was courteous, and answered all questions.

Blake with McCullough Heating, AC & Plumbing was fantastic! He was prompt, polite, and kind. He was also in constant communication as to his arrival and explaining what the maintenance visit entailed. He explained pricing and ended up saving me a ton of money. Thank you and highly recommend!

The technician was courteous and professional and answered all my questions. My only gripe is with the scheduling of the company. I wish they could better narrow down arrival time to either morning or afternoon. Miko did a great job of not only doing the maintenance and upgrade (added some refrigerant and a quick start kit) but explaining everything he was going to do.

Shawn M. was very thorough and knowledgeable and we appreciated the repairs to our unit quickly and efficiently - we called and they were out the next day. Thanks for your help!!

We had dampner issues that was preventing our A/C from cooling zones across our home properly. Kyle was great. He listened to our issues, diagnosed the problem, explained what was broken, the fix, clear next steps, costs, scheduling and took care of the repairs. He was also very respectful of being in our home. Would definitely recommend. Glad we were able to get this sorted out before it got really hot this summer. We ended up signing up for maintenance contract moving forward which came for a discount on our repairs. We were able to get someone out immediately. Recommend scheduling through website instead of talking to AI Jane when calling (that was the only issue lol).

One of the best experiences I have had with service professionals coming to our home. Ryan, the Technician, communicated when he was 30 minutes away, efficient, professional, wore covers on his shoes, took pictures of everything he saw in the attic, solved the problem in 30 minutes. Will definitely use this company again.

Excellent service done by the great experience service man. Thank you for for your honest advise when working and solving my problem.

Craig did a great job and was so nice and polite. I really appreciate how fast I got service after calling on a Saturday. Thanks so much for a job well done..

Craig Juarez was professional, polite and fixed my AC unit quickly and got my thermostat back online. I am cool again. Texas summers are brutal. Thank you Craig. The main office was reacted quickly to my request.

Blake

We had a routine inspection with McCullough Heating & Air and Blake was great to work with. He made suggestions and recommendations for what may be needed in the near future, without trying to pressure or upsell us- which was very genuine and appreciated. Prompt, professional, quick and easy- overall great experience.

Good communication, fast and thorough work.

Great work as always

Craig was super knowledgeable and got major job done quickly. Very professional!!

McCullough was able to provide same day service on a Saturday which was greatly appreciated. Craig the technician did a great job explaining what repairs were needed. He was very professional, yet personable.

McCullough came out for my semi annual A/C check. Miko was my service technician and he did a great job servicing my system. He went over all the details and recommended a minor repair. Miko showed me photos and his inspection reports. He was very courteous and knowledgeable.

Great company that puts out quality work. If you or your family need HVAC solutions, you can count on the Mccullough team.

Craig Plank Juarez came out last minute on a Saturday morning. He was on time, explained everything thoroughly and provided pictures. Being part of the Comfort Club is worth it!

McCullough is the best. Everyone we have worked with has been awesome, knowledgeable and kind. The customer service is great, and they always get the job done right. Highly recommend them! Wanted to also give a special shot out to Michael Mctaggart who came out today. He came by to do a check up and was very thorough as well as radiated positivity. I appreciated the enthusiasm and care!

James Farr did a terrific job installing the pressure expansion tank, leak detection system, and automatic water shutoff system. In addition, he relocated two vent pipes in the attic under extremely challenging heat conditions. He was thorough, detail-oriented, and completed the work in a timely manner while patiently explaining every aspect of the installation and answering all of my questions. I could not be happier with the quality of the work and the overall experience. Highly recommended.

Our technician, Mike, was absolutely incredible! He spoke with my husband multiple times to troubleshoot an issue and ended up coming to our residence after hours to fix our air conditioning. He was thorough and kind and provided detail instructions and recommendations to fix our problems! Great experience and we look forward to working with him in the future.

They are always great. Miko was great in terms of providing service and explaining things. He even documented everything which I appreciated.

Super helpful! Above and beyond on the meantime fix while we sorted out a parts lead time

McCullough Heating & Air Conditioning did a great job diagnosing the problem with my AC. The technician Frank Barbera was very thorough as well as very pleasant. I will continue to use McCullough’s for my heating and AC needs Desmond Lopez with McCullough Heating and Air Conditioning did a thorough job checking out my heating system. He was very pleasant and explained the results

McCullough has been a fabulous service partner of ours for many years now, but really stepped up when we were having some very challenging issues with our system. They were able to diagnose and repair the cause with amazing tenacity. I strongly recommend them for great service, and for when the time comes for replacement.

Kyle did a teriffic job diagnosing and repairing the motor on our upstairs A/C unit. Prompt, friendly, knowledgeable, good communicator. Helped us understand the options - pro and cons. Really felt like he was looking out for our best interests, which i appreciated.

Very happy with the service. Craig did a great job. Highly recommended

Mike is fantastic. He explained everything so I could undersyltand it. He also explained what he did in a manner that shows he actually loves what he does . Thank you!!!

Came by to perform a health check on my AC unit, very knowledgeable and cordial highly recommended.

Jaiden Mendez arrived promptly and thoroughly checked out my system. He was very polite, knowledgeable and professional. I would highly recommend McCullough and Jaiden

Kyle did a terrific job!

Miko was great! Good service and communication

Very nice professional and asked did I have anything I might be concerned with. He’ also change my filter around the right way because I kept putting it in the wrong way 😁

Our overall experience with McCullough has been excellent. Our air-conditioning stopped working and in less than 12 hours they were at our house and it was fixed. Mike M was thorough and ensured it was working perfectly before he left. I would recommend McCullough to anyone looking for an HVAC system

Michael McTaggart absolutely saved the day. Our AC went out late at night on a 95-degree day, and we had a newborn at home along with my mother-in-law staying with us. Needless to say, we were pretty stressed. Michael showed up around 11 PM with a great attitude, was incredibly professional, and quickly got us taken care of. He took the time to explain everything and made a bad situation much easier. Really appreciate Mike going above and beyond, especially that late at night. Outstanding service from McCullough Heating & Air Conditioning.

Same-day service, Matt was our tech and he was a real pro, had our ac up and running in minutes. Second time using this company and will definitely call them again.

I want to thank Clayton and Ryan and the rest of the McCullough team for providing exceptional service. These folks truly care about their customers and provide a satisfaction guarantee for their work. In today’s time it is unusual to find a company that cares more about customer satisfaction than profits. I would highly recommend McCullough Heating and Air for all of your HVAC needs. ⭐️⭐️⭐️⭐️⭐️

Best experience I’ve ever had with a service professional. Our technician Micheal was in great spirits and genuinely loves his job. Solved our problem in minutes. Highly recommend McCullough!!!

Miko did an awesome job, explained all of the issues with the air conditioning system, and provided recommendations on next steps should the system fail.

Kyle came by, trouble shot the problem in 30 mins. Ordered the part. Part was delivered to my home 3 days later. Kyle came back by, and replaced the part. All done in 2.5 hrs , blowing cold now. This was warranty work and McCullough really came through. Kyle was very efficient, prompt , professional, and did a great job. I was very impress-ed overall with McCullough, and especially Kyle. Highly recommend! Thanks very much!

We are pleased with the services provided and the respect we were shown. Our technician called ahead to let us know he was on the way, was thorough with his work, and afterwards explained in detail what he did. The photos and videos are much appreciated!

Henry and Nasser did the necessary repairs quickly and then spent a little time with me answering questions. Over the past 8 years my experience with this company has been uniformly positive.

Great customer service and support. I highly recommend Mccollugh.

Excellent service from McCullough and their technician Michael! Set up an appointment by phone. Michael arrived during the quoted time period. He listened to my concerns, took a careful look, and was able to diagnose the problem with my outside fan. He had a matching part on his truck, and was able to quickly replaced the fan. He followed up with a thorough coil cleaning, then verified my refrigerant pressures and double checked that my equipment was performing normally. I really appreciate the helpful, friendly service I received from such a skilled technician! Highly recommend this locally owned company for air conditioning repairs and will give them every consideration when it's time to replace my unit.

Jaiden was professional, knowledgeable, and efficient in the work he did on my AC. He was also patient and had great communication when his arrival time didn't initially coordinate with when I would be home.

Miko is very professional and did a great job!

I called McCullough at 5PM and was able to quickly schedule an appointment for the next day. Michael Mctaggart came out and checked out our whole system, he was very thorough. He found a potential carbon monoxide leak caused by some other company and fixed it, and then fixed our AC unit within an hour or so. Highly recommended, they didn't try to upsell us at all, just fixed the problem in a way that we could afford. These guys are the last locally owned HVAC company in Austin, the other guys will all try to sell you a new unit whenever remotely possible.

Friendly professional and quick. Blake was empathetic and clear in communication. House is cool once again.

McCullough is the best. Everyone we have worked with has been awesome, knowledgeable and kind. The customer service is great, and they always get the job done right. Highly recommend them!

Routine maintenance - Craig was great. Everyone at McCullough seems to really enjoy what they do. Whatever they're doing to keep the talent happy, keep doing it. Everyone I interact with is always pleasant and helpful.

Blake did a great job ensuring all the maintenance items were checked and confirmed our HVAC systems are running optimally. Appreciate it!

Great first experience. Mr. Ischy was kind, very informative, and professional.

Last year I used McCullough for a second opinion which saved me from having to replace my entire AC system. I signed up for their service policy and today they came out and solved a different problem at no extra cost. Friendly, knowledgeable, and haven’t tried to sell me anything I didn’t need.

Blake came to do our seasonal check as a part of our membership. He thought he would be in and out quick but our system tends to pile up that slime that clogs the system so thankfully he got in and did a great clearing of it and it’s been running consistently ever since. We figured out part of why we keep getting stopped up is the angle of the drain line that folks who put in the system set up so he’s gonna come back and fix the soon too. The system has been running great since they took over service of it and we got on their care plan

Our AC went out Saturday evening, by Sunday afternoon Henry had us up and cooling, yea Henry. Also Jane was awesome and got us setup. We are very happy with McCullough and will continue to use them!

We were hearing buzzing from the HVAC closet. Craig J. discovered it was coming from an old doorbell transformer in the closet and disconnected it. No HVAC repair needed! Only paid for the service call.

Eric was great. Called ahead. When he arrived. He had the issue diagnosed within minutes and set to work. We were back in business within the hour. Beyond grateful for his skill and timeliness 🙏🏽

Very helpful and professional

Thomas went above and beyond. We love McCullough; they always take such great care of us.

Shawn (our repairman)was great and very patiently explained what was wrong. He came on Saturday.

Eric Suarez was friendly, helpful and efficient. I trust the folks at McCullough for expert service and quality equipment!

Miko was great! Definitely recommend

Blake did a great job. His technical knowledge was clearly extensive. He also explained what he was doing and why, which I really appreciated. I feel fortunate to have had him do a major repair on my HVAC unit. BTW, he was also great to talk too.

Thank you Blake for the outstanding support!

Brian did a great job for us. He got the job done quickly, explained what he was seeing well and was very respectful. Everything we expect (and more). Thank you McCullough!

Miko was SO helpful—recently had a bad experience with another company and was so relieved to have such a fantastic experience with McCullough!!!

Miko did a phenomenal job with our semi-annual preventative maintenance. He was thorough, shared feedback as he worked through it, and explained potential issues and how they could be resolved. Outstanding job!

Tech was timely, polite and efficient. Did a good job and educated me on cleaning the drain line.

Blake was great and checked out my system. He was on time, which was great with my work schedule and he even changed my filter and flushed the drain with vinegar for me.

The best AC repair experience I have ever had. Easy online scheduling, quick call back to see if I was interested in a quicker appointment, great communication via text throughout, and Zach was phenomenal

Second time I've used this year. Very satisfied.

Always great service, dependable, and professional.

Amazing service! Josh came out and checked on a condensation line leak and was able to diagnose the problem right away. Glad we have been members to get such great regular service!

Blake did a excellent job!! He was very informative and answered all my questions. He also was very nice and polite!! I give him a 10 out of 10!!

Thomas Is hy was excellent. Highly professional and costumer oriented. We signed up for the premium maintenance plan, and looking forward see any of there technicians again.

Service was performed at scheduled time, technician examined both the outside unit and the condenser inside. Lines were flushed and outside unit coils were cleaned. The service performed was explained. I was very satisfied with the service.

The cement connecting the furnace to the AC vents was leaking air in the attic and he put a mesh and tape and cement that sealed it. Eric did a great job!

Miko was a professional, courteous, knowledgeable, and didn’t rush the service job. McCullough is one of those big names you can trust.

Great and honest service! Craig was very professional and informative. We will definitely continue our business with McCullough.

Eric was amazing. He explained everything step-by-step, was friendly, and took care of the issue pretty quickly! A1 service. Miko came to do our maintenance today. Excellent experience again! He was prompt, friendly and detailed!!!

Evan Young and the team at McCullough Heating & Air truly saved us! When the HVAC unit that cools all the bedrooms in our home went out unexpectedly, my kids’ rooms reached over 80 degrees in less than 24 hours. We called Evan in a panic and he immediately got on the horn with his office to see what he could do. We had planned to replace our other A/C unit sometime this year, so it made sense to replace both at the same time if possible. Unbelievably, Evan found two teams that could work on replacing both units for us the very next day. They arrived on time, calling us when they were about 30 minutes out so we knew they were on their way (always appreciated). Everyone on the team was incredibly kind and I especially appreciated how hard they worked to keep our home clean and free from debris as they worked in our attic and garage. Evan also came to our home during installation to make sure everything was going well and see if we had any questions. The crews were worked so hard, in the heat, to ensure they could complete the job same day. Both units are working even better than expected (glad we decided on the two stage systems) - our house has never gotten cool so fast or so quietly before! I wish we’d reached out to McCullough even sooner to get this done, but we are forever loyal customers after all the courtesy and hard work they’ve shown us.

Miko showed up on time and quickly proceeded to do preventative maintenance on our hvac system. Afterwards he reviewed what he had done and answered all my questions. Miko is a great technition.

Blake came out for our annual inspection and was timely, thorough and respectful! So grateful for a fantastic experience!

Miko was amazing. McCullough had installed my years back and I hadn’t been having them service it but I’m so thankful that I switched back. The technician was very knowledgeable and had fabulous Customer Service. I will definitely be using them from now on.

We had Alvin out to service our house and couldn’t recommend him enough. After taking care of our initial request he took the time out of his day to show us preventative measures as we had recently moved into the house. Fantastic service and will definitely be going back for HVAC needs. Also appreciate the care Blake showed during our annual inspection!

Christopher Miko thoroughly checked our ac/heating units. He answered all my questions too.

Love my semiannual checkups on my very old HVAC. Jaiden took his time and gave me a great checkup. Thank you

Just had my summer AC check by McCullough. Miko did a very thorough job and was also friendly and on time. He did a great job reviewing his findings and offered an upgrade for me to consider. I didn’t feel any pressure with the upgrade suggestion. I’ll continue using McCullough for all my HVAC needs.

Miko was terrific! On time, thorough and professional. Been with McCullough 15+ years.

McCullough did a great job servicing our equipment. Our technician Miko thoroughly explained all items and was responsive to all of our questions.

Blake called in early in the my scheduled window, was fast, efficient and nice guy. Highly rec McCullough.

I don’t write many reviews, but I felt this one was deserved. Last year, I had a complete HVAC replacement done. To be completely transparent, the process wasn’t perfect from day one. The original system that was installed ended up needing to be replaced. However, what impressed me most was not that everything went flawlessly—it’s how the company handled the situation when things didn’t go as planned. William (owner), Shelton (GM), and James (Service Manager) all got involved and stood behind their work. They never disappeared, never made excuses, and ultimately made things right. That level of accountability is becoming harder and harder to find these days. Since the replacement, the system has performed flawlessly. It has now survived almost a full year, including a Texas summer and winter. Considering Texas weather can go from “surface of the sun” to “why is there ice on my windshield?” in the same year, I’d say the system has officially passed its stress test. A special shoutout to James, who has been absolutely outstanding. Even after the installation was complete, he remained responsive, helpful, and genuinely cared about making sure everything was working as expected. That kind of customer service is rare. Anyone can look good when everything goes perfectly. The true test of a company is how they respond when something goes wrong. In my case, they stood behind their work, took ownership, and earned my trust. Thank you, William, Shelton, and James. I appreciate everything you did.

A tech from another company, told us the coolant was low and the pressure was dropping indicating a leak. Just finding the leak with dye and more coolant was going to cost $1500 and if serious a new unit would cost upward of $10 K despite our unit only 6 yrs old. After waiting three days to get a follow up visit, we gave up and decided to call McCullough. So glad we did. We had to wait two hours past our service "window," but the office and Shawn kept us informed about the delay. Shawn was very professional and asked about experience, wondered why the other tech did not think that a Lennox warranty for parts wouldn't apply, and then checked the pressure on the unit which was in a good range. He double checked the furnace and the thermostat, but finding no issues or indications that a problem had occurred, assured us that the unit was working fine. We were out only the $79 service fee. Shawn left us his number, but assured us that we could also call McCullough if something went south, but he doubted we'd have any problem. He suspected that the other tech's testing unit had malfunctioned and he didn't have the experience to mistrust it. Next time we'll call McCullough first.

Eric was extremely friendly and helpful. He explained each step in the process and was extremely professional.

Blake was prompt, efficient and polite. Good service, and he remembered my dog's name! Thanks

Ryan was very helpful and answered all of my questions. I recommend him!

Blake was awesome and did a great job for me. He took good care of us.

They did a great job on rebuilding plenums, running a few duct runs, fogging the system and repiping some HVAC pipes around the house, Marc, Chris, Ricky.

Miko was very thorough and great to work with. Knowledgeable and courteous. Hard combination to find lately. Am glad to join their comfort plan too. I think I’ll be in good hands going forward.

Miko came out today and was awesome as usual. McCullough always takes care of things and is super diligent with keeping our systems in order. Highly recommend.

Miko was terrific! On time, thorough and professional. Been with McCullough 15+ years.

As usual, they were prompt, professional, courteous, and supremely competent. Ryan was neat, well equipped, and on time. Communication about the appointment and arrival was smooth and seamless. I had them install my two systems and would do so again. This is a well-run company with excellent employees!

Blake was awesome! He was efficient and thorough!

From beginning to completion of the task my experience with McCullough Heating and Air Conditioning was positive. I especially applaud Christopher, the tech. He is a man of integrity and competence.

Super impressed with this whole team. They were extremely thorough during the initial service call, checking my indoor unit, the AC unit outside, and ductwork. They showed me photos and explained exactly what the problem was, what caused it, and answered all my questions. I felt like they were honest about what was needed and gave a competitive price. I ended up needing to replace my ductwork and they were great from start to finish. They sent someone out to measure and make sure I got an accurate quote. The team that did the ducting was on time, respectful, and cleaned up after themselves. And, my AC is working great now! Thanks McCullough for making something stressful much easier on me.

McCullough did a great job with the installation and went above and beyond in working with our schedule. They showed & talked us through all the information we needed to know about our new A/C and HVAC systems.

I'm really happy to write a very positive review for Kyle Stirling, who provided my first seasonal a/c checkup last week since purchasing a new a/c and heater from McCullough last December. Kyle was not the technician who had been scheduled to do the checkup but, when that person was delayed by a much-longer-than anticipated appointment earlier in the day, Kyle stepped in in his place. I am so glad he did. He was so thorough in his inspection! When Kyle spent more time outside than I've ever experienced inspecting /testing the equipment, I asked him if all was okay, and he explained that my a/c had been installed on a cool day in early December 2025 and he wanted to make sure the equipment was calibrated as it should be (my layman understanding of what he said). Kyle, thank you so much for your expertise, professional/kind demeanor and thorough first seasonal inspection of my new a/c with McCullough!

Professional and punctual. Very thorough and a nice respectful technician.

Technician was prompt, knowledgeable, friendly and fast. Very satisfied.

Competent technician. Arrived on time and serviced our unit expertly.THANKS!

Eric was great. He came when he said he’d come. He gave me all the details of what was going on to make sure I understood plus make sure my hvac was functioning properly

Miko was very nice informative explained exactly all he did excellent service

The HVAC technician Shawn May was very efficient and helpful. He clearly knew what he was doing, and he was very polite and friendly.

Jaiden is a great tech. Professional and prompt.

Very knowledgeable about HVAC systems and actually opened plenum to confirm no mold present. Advised purification system.

Henry came to the rescue to fix a problem created during the original installation six weeks ago of a new 3 ton system. He came Thursday afternoon to resolve it so I wouldn’t have to go the weekend without cool air in my kitchen and family room.

I always have great experience with McCullough Heating and Air! Josh was fast and accurate in diagnosing and fixing my issue with my air-conditioning. Thank you again!

Competent technician. Arrived on time and serviced our unit expertly.THANKS!

I am so happy with my decision to have McCullough replace and install my new HVAC system!! I so appreciated Evan coming out the day I called to assess my needs and make recommendations. He took photos of my old system and showed me what he based his recommendations upon. Once I signed the estimate (very reasonable) he was able to schedule 2 days later. The installers, Ivan and Ricardo, were rock stars!! Showed up at 8:30am and left at 8pm. They patiently answered every question, explained all aspects of their work, were kind to my cat! , were considerate of my home, cleaned up after themselves and were so professional and nice. They just went above and beyond to provide a great service! Good job team McCullough!

Miko was very nice informative explained exactly all he did excellent service

Miko did an excellent and thorough job with the maintenance of our AC unit, as part of our maintenance plan. He checked the performance of our system carefully and identified an issue with the condenser coil and provided estimate after verifying that parts are covered under warranty. He also pointed out a location where the filter should be replaced which our previous AC company never identified. We are glad that we switched to McCllough for our AC needs!

McCullough Heating & Air is fantastic! Their service technicians are always friendly, knowledgeable, and helpful. We recently had Mike complete our service visit, and he was excellent. We will definitely be requesting him again in the future. Go Big Red! 😁

Kyle came quickly and worked efficiently. He is a really respectful guy and great at his job! Thanks for fixing our HVAC y’all! Update: Thomas came out and was so friendly and very thorough. Thanks Thomas!! In my previous review I did not include what had been fixed. They patched a busted Freon line and refilled my Freon. Today’s call was because my AC stopped blowing cold slowly over a couple of days so I figured it might be a leak from the patch that they had previously placed. It was. And they handled it perfectly, coming out quickly, checking the system. Discovering it was a leak from their previous repair, (NBD, sometimes that stuff just happens and it’s all about how it’s dealt with) They offer a two-year warranty on their repair work, and they stuck to that without any pushback or trouble. Thanks you guys. Y’all are a stand-up business, and I appreciate that!

Blake was professional and kind; highly recommend.

Sean is our hero! Very friendly and knowledgeable. He saved our Memorial Day weekend!

Sean was an absolute LIFESAVER! Our thermostat was on the fritz on a hot day. After a broken thermostat diagnosis, he had a courier deliver the thermostat within an hour. He left to handle another call and then came back to fix our unit after the thermostat was delivered. We truly appreciate the effort. 🙏

Knew what he was doing. Kind and considerate.

We had two nation-wide companies work on our A/C, but were still having problems. We decided to switch over to local folks, so we called McCullough. They were prompt. Noah (the tech guy) found the problem and fixed it completely. Now the A/C blows cold, the compressor runs quietly, probably saving us from expensive future repairs. These guys are prompt, honest, and great to work with. Highest recommendation.

As always very professional, and honest company. Miko helped me today and I am very pleased with the service. Thank you!

Brett did an excellent job. He checked out my a/c units. I had new filters waiting for him and he replaced the old ones. He came with booties on and left everything as clean as it was before he arrived. He was professional, pleasant and thorough. This was part of the annual maintenance done as part of the maintenance plan.

Junior De Jesus was the best McCullough service person we’ve had over the past few years. He was kind, courteous and one could see his experience, offering very helpful info. He also helped us program our EcoBee thermostats to our desired specs, and was kind enough to change out our whole house filters and carry away the used ones…. McCullough and Jesus are awesome!! Highly recommended!

Blake arrived early for our semi-annual AC/heater inspection and went right to work checking out the system functionality up in the attic, testing the thermostats, amount of refrigerant, filter conditions, etc. He was very thorough and spent close to an hour checking and testing our entire cooling and heating system. The best part? He reported that everything was functioning smoothly with no issues and nothing in need of repair. We've used McCullough in the past and appreciate their thoroughness and employee honesty. I highly recommend them for HVAC inspections, repair or replacement.

Miko did an excellent job with our AC tune-up today. He answered all my questions and provided helpful recommendations. Highly recommend!

Love the McCullough people!

I had a service visit from Guillermo today. He was on time, super courteous, very knowledgeable and through ability what was being performed. I highly recommend him to anyone needing assistance

Jaiden did a great job with a maintenance check at our rental property. Very professional, friendly, and knowledgeable. He found an issue and he sent estimates with recommendations what was needed. We recommend McCullough !

Very experienced

Technician was on time and there were no issues. Thanks!

Blake came down for our subscription plan maintenance and was quick, efficient, and informative. Thank you!

Working with Miko from the McCullough Heating & Air team was a fantastic experience. It’s hard to find an honest and friendly HVAC technician. I highly recommend Miko at McCullough for your Heating and Air maintenance. In terms of a complete HVAC replacement, I would consider other companies as their pricing is quite high.

Mico did a great job polite friendly and informative.

I wanted to leave a review because McCullough has taken such great care of me over the years. They installed my Heat/AC unit about seven years ago, and I’ve been extremely happy with both the system and their seasonal service checks. Christopher Miko was especially wonderful during his recent visit — very thorough and professional. I truly appreciate all of you and will continue to recommend McCullough Heating and Air to anyone who needs reliable, top‑notch service.

Miko was awesome, very thorough and plain spoken about what he was checking and cleaning

I am on the bi-yearly maintained check and Blake the technician explained everything to me. Blake was a fantastic service rep. Thank you Blake.

Miko was very professional and knowledgeable. He was very efficient with the service and provided guidance on selecting the right filter. I’d recommend McCullough to anyone needing service or a new AC.

Eric was great and very thorough. He asked about any concerns and really listened, nice and knowledgeable.

Blake was so awesome!! He was on time, professional and went above & beyond to make sure every inch of my unit was clean & working properly. Will definitely call on him again!! Thank you Blake!!

Blake was phenomenal! Friendly, professional, and made sure I had the right filter size to help us stay cool through a Texas summer. Could not recommend more!

Blake did a wonderful job!

Blake with McCullough is a courteous and professional young man. Great job Blake!

The technician, Christopher Miko, did an excellent job in servicing our systems. He was thorough and informative. Thank you for the expertise and professionalism!!

We have had two A/C units installed by them as well as all repairs & maintenance follow up work required. They have always been timely & professional when at our residence & rarely had to pay any repair costs due to the equipment being under warranty. I would recommend them to anyone needing a new unit or repairs.