Rated 4.81 / 5 from 43 reviews
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KAC Express We will find and fix problems the first time, and we ensure that all new systems are properly sized to provide maximum comfort for you and your family. We service all brands and models, and we believe in integrity and honesty. Will not over sell or perform a service that is not needed.

When you choose KAC Express as your air conditioning and heating company, you can be sure that we will offer you the affordable products and competitive pricing for residential and commercial HVAC services in Houston TX and surrounding areas. Our technicians are trained to provide professional, reliable installation, maintenance, and repair services.
Highlights and features
  • Commercial HVAC, Maintenance Services, Cooling Services, Design Services, Repair Services, Heating Services, Replacement Services, Indoor Air Quality, Residential HVAC, Systems & Equipment, Installation Services
Associations and certifications
  • Better Business Bureau
Services
Heating
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If you are looking for Houston, TX heating services, KAC Express is the company to call! Our technicians are trained to handle installations, replacements, maintenance, and repairs. We have someone on call 24 hours a day to answer your call, and with our comprehensive tune-up services, you reduce the chances of your heater breaking down in the middle of the winter.
Air Conditioning
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If you are ready to invest in a high-efficiency unit, call the heating and cooling company known for helping customers save energy. We provide comprehensive services at competitive prices, and we'll take over the maintenance for the life of the equipment. Call KAC Express today!
Indoor Air Quality
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For quality indoor air quality services in Houston, TX and the surrounding areas, call KAC Express. We provide comprehensive indoor air quality services to homes and businesses throughout the area. According to the EPA, indoor air quality a leading threat to people who already have existing respiratory issues. We install air filters, air purifiers, dehumidifiers, and more!
Videos
KAC Express AC
KAC Express AC
Get a new Rheem system to help you safe money, and enjoy a whole new degree of comfort from KAC Express!
Spring TX AC Service
Spring TX AC Service
Why Is My Air Conditioning System Leaking Water? It can seem rather curious when your air conditioning system begins to leak water. Where is this water coming from? Is it bad? Is it a natural part of the cooling process? Such questions are frequent among homeowners throughout the summer months, when high temperatures often pose problems for air conditioning systems throughout Texas.
Kingwood TX AC Repair
Kingwood TX AC Repair
At KAC Express, we take pride in providing quality air conditioning, heating, and indoor air quality services in Kingwood TX, Humble TX. Our customers trust us to handle all their heating and cooling needs. Join the KAC Express family today, and contact us to ask about our comprehensive residential and commercial HVAC services.
Houston TX AC install
Houston TX AC install
Houston, TX Air Conditioning and Heating by KAC Express When you choose KAC Express as your Houston, TX air conditioning and heating company, you can be sure that we will offer you quality products and services at competitive pricing. We offer services for both residential and commercial air conditioning and heating equipment.
Air conditioning install Houston TX
Air conditioning install Houston TX
A Customer's Take on Houston TX Air Conditioning Installation. When it comes to being comfortable in your home during the hot summer months, having an efficient air conditioning system is crucial. At KAC Express, our priority is helping you get the system that's right for your home and your needs, without breaking your budget. Take Kristopher H., a satisfied customer, for example.
Houston TX AC Service
Houston TX AC Service
Why Is My Air Conditioning System Leaking Water? It can seem rather curious when your air conditioning system begins to leak water. Where is this water coming from? Is it bad? Is it a natural part of the cooling process? Such questions are frequent among homeowners throughout the summer months, when high temperatures often pose problems for air conditioning systems throughout Texas.
Reviews (43)
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Jennifer T
Aug 10, 2022
We placed an emergency call on a Saturday afternoon with a lot of guests in the house. The technician came and repaired it in the next 2 hours. Outstanding workmanship, and professional.
Dan L
Aug 10, 2022
Trung was quick to respond on a Saturday morning. My A/C went out during the night and I woke up to sweating at 4am. I called KAC Express at 6:30am and he was there by 7:15am. He quickly determined the problem and fixed it in under an hour. I can say without a doubt that his service was excellent and would recommend KAC Express to anyone needing A/C help.
Andrea P.
Jun 08, 2022
Our AC went out after hours and luckily we found Mr. Nguyen! We called and within 15 minutes he was here, and our problem fixed! Highly recommend!
Lionel Cannon
Jun 04, 2022
KAC Express did an outstanding job in replacing and installing two new thermostats and 2 new central AC units at my home (which included condensers, evaporating coils etc). Trung and his crew were on time, very courteous, professional, cleaned up after their work and were able to explain what services they performed. KAC Express also worked with Synchrony and offered zero interest financing. I've used KAC Express for maintenance in the past and highly recommend them to anyone needing any AC or heating maintenance or replacement.
Jose Sosa
May 20, 2022
Great service, very professional, good price, and really fast. I called around 7pm and the technician was in my house in five minutes by 7:30 I had cool air again. I really recommend him. Services: Repair HVAC, A/C system maintenance
Richard Alvear
May 18, 2022
Mr. TRUNG, Romeo and Christy are WONDERFUL people. Everyone that I have been in contact with via phone or in person at "K AC "express are very kind, knowledgeable, professional! As a retired Peace Officer I would highly recommend their company. THANKYOU and GOD BLESS! Services: Install AC, A/C system repair, Installation
Jfp Jfp
May 14, 2022
I have to units at home ant the unit that runs the second floor was not cooling, I called KAC and Mr. Trung was very responsive and scheduled a maintenance right away for the next day, he run a diagnosis in my unit and nailed the problem, basically the evaporator was done, KAC did a good job and they were very professional during the whole process and the price was a fair price with a year warranty, I defenetly will keep KAC as an AC company for any issues or maintenance. Thank you Mr. Trung!
Van Lian Awi
Apr 22, 2022
I found this business was 4.9 star on Google. When he check Ac problem he said need to replace transformer and it cost $225 (included labor and parts) i agreed to do that and after he done, he ask me $ 325 and my AC was still not working. He told me that the tranformer was good but thermostat need to replace again, for replace thermostat he ask me $ 150.

However i told him i will replace thermostat by my self because i know that my thermostat is good ( look like he was new for this nest thermostat). I bought new Thermostat for him and he can't replace again and he said wire cable problem and he check around two hour and he said again not wire cable that was the other part of Ac again he replace again but still not work my AC because he doesn't how to replace new nest thermostat.

I give him fully charge my old nest thermostat and he was finally done thi jobs. I do not recommend this guy for who have Nest thermostat. And the cost of this repair too expensive and he took too many hours.
Nick Botusan
Apr 11, 2022
I called them on a Sunday night, as that was the day the A/C quit working and was pleasantly surprised when they picked up and scheduled to come out the next day. When he arrived he was on time, friendly, and the repair were completed the same day for a great price. Highly recommended. Service: A/C system repair
Reena Desai
Apr 01, 2022
Excellent service! Look no further for any HVAC needs - I called this company at 6 PM for a commercial retail space HVAC issue - they were at our business within 45 minutes with a highly skilled technician to quickly and properly diagnose the problem and offer an immediate resolution. They even tried to give tips over the phone (without any commitments of work or payment) before coming out to see if we could resolve the problem on our own!

These guys are the real deal - Extremely professional, very responsive, highly skilled and amazing prices (especially for after hours)! Highly recommend this business! Cannot thank them enough for the fast service!
Naomi Macias
Jan 19, 2022
This company was referred to me by my niece. She had work done on her AC unit about a year ago and absolutely was thrilled with their service. I called them on Christmas Eve 2021 in desperate need for AC issues. They came out ON CHRISTMAS. You hear me! On Christmas. He had our AC up and running in less that 30-45 minutes! Price was on point, they are honest hard working people. This will be my go to company for service!
Ivvan Quezada
Jan 19, 2022
Trung (tech) was extremely courteous and thorough. He took the time to help explain the system and was very knowledgeable. Our heat went out during freezing temperatures and they responded the same day. Great experience from this company. Service: Heating system repair
Jeff Lloyd
Nov 20, 2021
Great and fast service repairing our upstairs heating. He was very knowledgeable and figured out the issue and solved it immediately while on-site I would recommend this company anytime. Service: Repair heating system
Melissa McDonald
Nov 07, 2021
We called the company at 5 pm on a Saturday when we noticed our AC wasn't cooling the house. He arrived on Sunday at 10 am. He was very knowledgeable and repaired the ac unit in a timely manner. He also offered suggestions to issues he found in the attic. Service: Repair AC
Linda Brown
Nov 06, 2021
We called this company Sunday morning the gentleman came Sunday afternoon gave us an estimate he was very nice and professional. Monday morning Jorge Jr. Came did measurements he was very nice and professional. Tuesday Jorge Jr and his Father Jorge Sr. came to do the installation and they did a fantastic job. They explained everything they were awesome.

The young lady that called was also so nice. We are very happy with our experience with this company we will definitely use them again and request Jorge Jr and his father. We have lived here 17 years and our home feels great the whole house cooled quickly even our master bedroom that has always been either to hot in summer and freezing in winter. Jorge made sure all the vents were blowing properly the heating system worked properly explained everything they did. We had our duc work replaced, furnace, Ceiling vents and wall return grilles. Wonderful Company and employees sincerely Linda & Cameron Brown
Joe Felix
Oct 30, 2021
Trung just diagnosed and repaired our AC. Called him at 530p and he was here and had the repair complete by 645p. Nice guy, professional, and the price was really good. He will be our AC guy going forward. Service: Repair AC
Workoutace
Oct 17, 2021
Trung, with K AC EXPRESS was unbelievably professional! He's taken care of my whole family and couldn't have been happier! Nobody likes to deal with AC issues, but he made it easy and stress free! If you have AC problems, give him a try. You won't be disappointed! Services: Installation, Repair AC, Repair HVAC
Muhammad Anwer Ali H.
Oct 16, 2021
Trung is excellent technician. Our A/C unit stopped working. I called KAC Express and he was able to come to my house within a couple of hours. Checked the unit and replaced bad capacitor and got it running. Highly recommended.
David Stephens
Sep 30, 2021
Hot Houston, TX summer. AC not cooling well, plus vents were so thin, had air escaping! Trung Nguyen came out looked things over asnd gave us an estimate. Looked better than what we planned, so we set the date for his guys to be here, to replace everything (outside and inside units). When the crew arrived (on this 100 degree day), they started by bringing in what looked like space suits! VERY well insulated ducts - made our existing ones look like shredded paper!

They hung them correctly instead of laying them on floor as old ones did. Next, they brought in new panels, evaporator and everything else to build the new unit IN THE ATTIC (new Air Box too)! New Condenser unit outside as well. RESULT. house runs cooler, and the unit does not run as long either - which will be good on the monthly pocket book! As hot as it was, his team finished this big project in one day, and left here with a smile on their faces, KNOWING they did a most professional job!
Ashley Lewis
Aug 30, 2021
My Ac went out Friday evening. It was so hot and unbearable by 10. I called 5 different emergency ac repair places I found on Google, nobody had any appointments available. I called KAC Express around 1145 and had an appointment for 12 to 2. I was so happy. He came out on time spent 5 minutes to tell me the problem, had the parts on hand and 45 minutes later my ac was on and running. I highly recommend this business A1 service, on time and I really appreciate him.
Federico Giron
Aug 06, 2021
KAC Express : What do I have say about them. They are fast and reliable, and a businesses with real integrity. The a/c techs were George and his son. They were extremely knowledgeable and efficient installing the evaporator and condenser unit along with the drainage system for my a/c unit. Thank you for being on schedule. Your rating of 5 stars is well deserved.
Chase T.
Jul 28, 2021
Very pleased. I called and he showed up at the house within 30 minutes, repaired the A/C within an hour. Great customer service, would definitely recommend.
Vontreesa Clark
Jun 26, 2021
I am impressed with the quick response from KAC! I called today on a Sunday morning after my air was no longer blowing out cool air and he came out promptly at 4pm as he said he would! Fast and efficient work. Great customer service and got the air back running quickly! We appreciate you so much for handling our issue with urgency! Services: AC maintenance, Repair HVAC
Naveed K.
May 10, 2021
Very respectful. I had three people come out to give an estimate to replace AC unit and add extra vents and KAC Express offered the lowest price. They worked all day and I had no issues with their team. Highly recommended
Erica M.
Jan 29, 2021
Great customer service! This was a great accidental call. I meant to call another company. But Kristy was so nice on the phone. Romeo was very polite, on time, knowledgeable of his work. So glad they could get job done the same day.
Maia R.
Aug 12, 2020
It was a lazy, 95-degree sultry Sunday afternoon in August, 2020, when suddenly we experienced half a dozen power surges in a matter of seconds! Our air conditioner began making a horrible, loud buzzing sound. Cool air was no longer flowing through our vents! The house temperature began to rise. Ahhhggg! Who in the world would come out on a Sunday afternoon to fix the problem?!

My husband was sure that no one would, but he found a listing for KAC Express and gave them a call. Trung answered the phone immediately and was at our house within an hour. Twenty minutes later he had our AC humming along nicely and sending out loads of cool air! It seems the flux capacitor (or something like that, lol) had fried in the power surge. Trung Nguyen had it replaced in no time.

He was very professional, courteous, and friendly. We were impressed and immensely grateful! Needless to say, we will call KAC Express for any HVAC needs we have in the future. They are the BEST!
Reeta K.
Jul 04, 2020
It's Independence Day and my AC completely died on me! Trung answered my phone on the first ring and was at my house in just 30 minutes. He figured out the issue right away and even had the part on hand so within an hour my AC was up and roaring and I was no longer roasting in my home! He was so kind and helpful and I still can't believe that he was willing to come on a holiday. He seriously saved the day and he's now officially my AC man!
Angel N.
Apr 18, 2020
Contacted KAC Express on Thursday, the 16th of April, with a leakage issue I was having with my A/C unit in the attic. Cristy, the receptionist, was very courteous, polite and professional and upon hearing my concern set up a same day appointment between 12 and 1pm. At 1240pm the technician, by the name of Aaron arrived, heard my concern and immediately went to analyze the leakage situation in my attic. Aaron was very polite, courteous and professional in troubleshooting the situation with my A/C leakage.

I was also very impressed by his personable demeaner and overall knowledge of A/C units and attentive to detail. Thanking all the wonderful people at KAC Express for serving our community with honor, integrity and professionalism.
Alicia G.
Aug 12, 2019
KAC Express installed my system in 2013-14 time frame. My electric bill went down immediately. After which it worked great each year. Sadly, I recently noted it was struggling to keep the house cool. On Friday, it got pretty bad that evening. I sent a message and they came out the next day. My unit was leaking and the coil needed to be replaced. They added coolant so it would hold until Monday when they could get a new coil.

They called back and said they were able to get the part and could do it the same day. They came back with 4 people and finished up the work in less than 3 hours. The house is back to nice and chilly. I am very pleased with the service.
Mike M.
Jul 22, 2019
Super fast response time. Technician, Nick, was knowledgeable, courteous and conscientious (washed his hands to avoid getting dirt on white walls!). Completed the task in under my expected time! And repaired an additional concern as soon as I asked. I would HIGHLY recommend them! And will certainly use them again!
Marie J.
Jun 21, 2019
Very happy with there service. A/c was broken and they came out very quickly, diagnosed the problem and fixed it within an hour. Took the time to explain what had happened and how to use the new thermostat. Trung the manager was very professional. I would be happy to use them again.
Nunya B.
Feb 17, 2019
KAC Express installed two split Trane HVAC units and furnaces at my home - 2 and 3 ton. They did a high quality install and had no issues. The work was all completed within a single work day. The crew was very clean which I really appreciated. They put work mats down all along the path and did not scratch any walls even though my home is three stories high.

The price was very reasonable as well especially considering that they were installing Trane equipment which is often more expensive. Really had no complaints at all. Highly recommended!
A. Z.
Nov 07, 2017
Very impressed by this company. Professional and prompt. They replaced our inside and outside units and did a good job. Unfortunately, we had some issues with the condensate drainage (there wasn't enough space in the ceiling to allow for enough slope of the pan). The office was very prompt in sending a technician out to rectify the problem, and it was covered by their labor warranty so it came at no additional cost. They seem very trustworthy.
Derek T.
Sep 06, 2017
We are so happy we want with KAC Express. They were the only AC company that could get the part I needed in the same day and come out to fix the problem. With the holiday weekend no other company could come out for 3 days. To top it off they had competitive pricing and didn't overcharge.
Adrena M.
Jul 17, 2016
Came home from Sunday grocery shopping and the AC was out! I quickly realized that getting an HVAC repairman out on a Sunday was almost impossible. I read some online reviews and decided to give KAC Express a try. Trung, the repairman came within two hours which was excellent for a last minute Sunday call. He made the repair and in less than 30 minutes my AC was running again! The price was very reasonable as well. If I ever need service I would call them in a heartbeat!
SeanandAngela M.
Jul 20, 2015
I am very disappointed and frustrated with these guys. They came out to our house and made a bid to update both of our condensers and compressors for an insurance claim, and when the full claim was approved, they refused to do the work. This was more than a simple estimate, as the claim approval is based on their specific bid. They were scheduled for next day work with a technician that told me he would "be back tomorrow ready to go at 8am." Trung, the manager then called me back to inform me that now he thinks my attic would be uncomfortable and hard to work in.

This just seems very unprofessional to try and blame me for the job being too hard - after committing to do it. I am glad to spend my money with another company, just frustrated with the inconvenience of SOMEONE WHO WONT DO WHAT THEY SAY!
Asma D.
Jun 04, 2015
After a bad thunder storm my downstairs unit wouldn't turn on. I called them, they showed up fast. My Ac repair guy I think his name was Escobar was very nice and very helpful. Came to find out my thermostat was burned. He didn't try to charge me for anything extra, just a service call which was $40. I recommend them to everyone. Very honest and helpful
Matt R.
Apr 08, 2015
These guys have helped me twice, once when my upstairs unit wouldn't turn on, they came out and found a short in the wiring in the house. They were at my house in an hour on a Sunday. The next time they came out within an hour on a Friday afternoon when my downstairs unit wouldn't blow cold air. They found my compressor bad and quoted me three different options to fix it. They were out the next morning (Saturday) to fix it and now my A/C is ice cold and working perfectly. Very professional and Johnny on the spot when you need them.
Jared L.
Apr 19, 2013
I have used KAC Express twice now in the past year for repairing my AC units on my primary home and rental home in the NW Houston area. They had done a good quality job at a very competitive price. The work was completed quickly and efficiently. I have recommended them to friends in the past who also had the same experience.
Esteban J.
Apr 10, 2013
Needed AC service after calling ARS and being ripped off for 160 dollars; I called and spoke to Trun about coming to my house on a Saturday afternoon to check my AC and give me a replacement quote. He showed up on time started working on the system and explained to me everything I needed to know. After his assessment he quoted me a price that I could not refuse, very reasonable plus he beat ARS ridiculous quote. I agreed to replace the system and his crew was in and out of my house in about half a day. I am very happy with the service I will be definitely using KAC in the future
Chaz L.
Mar 17, 2013
I had K AC replace all my ducting in my attic, replace my duct manifold, check my compressor unit, and clean my compressor unit. Trung came out and gave me the most thorough inspection with the best price compared to the other company I called and got a quote from. He is friendly, courteous, professional, and very knowledgeable. His technicians also work hard and they even replaced some insulation for me that I bought while they were up in the attic. I would recommend K AC to any of my family and friends.
Chris W.
Aug 29, 2012
Trung was awesome! I called him at 7:50am he was at my home by 9am. He quickly figured out the problem and fixed it. I highly recommend his service.
Kristy M.
Jun 08, 2011
I did a search for AC repair and found K AC Express. A good bunch of people. They gave me the best price online came out the same day.and I have been chillaxin every since!