Automotive AC Repair
Stop on by and say hi, you'll be glad you did!

Automotive AC Repair & Maintenance Kingwood, TX

Stay comfortable on every drive with professional automotive AC repair from Sullivan’s Truck, Auto & Collision in Kingwood, TX. Our ASE-certified technicians provide fast, accurate diagnostics and quality repairs for all makes and models — keeping you cool in summer and warm in winter.

Your vehicle’s HVAC system does more than control temperature — it also clears your windows, filters your air, and keeps every ride enjoyable. At Sullivan’s, we handle all aspects of auto HVAC repair, from diagnosing refrigerant leaks to replacing heater cores and blower motors. Whether you need truck AC repair, car heater repair, or routine auto AC maintenance, our team has the experience and tools to get the job done right the first time.

Feel free to stop by, call us today at 281-359-3598, or schedule your car AC repair or heater service online.

Automotive AC & Heating Repair and Maintenance Shop in Kingwood, TX
Car AC & Heating Services in Kingwood, TX

Complete Auto AC & Heating Services

When your heating or cooling system isn’t working properly, it can turn a simple commute into an uncomfortable ride. Our Kingwood automotive AC repair team offers complete HVAC services to restore your system’s performance and reliability.

Our services include:

  • AC system diagnostics and leak detection
  • Refrigerant recharge (R-134a and R-1234yf systems)
  • Compressor, condenser, and evaporator replacement
  • Heater core and blower motor repair
  • Cabin air filter replacement
  • Climate control system electrical repairs

Expert Tip

If your AC is blowing warm air or your heater isn’t keeping up in cold weather, schedule service immediately — catching issues early can prevent costly repairs.

Casey Level
3 days ago
Always an awesome experience. Top notch customer service! Thanks Joe!
Response from the owner:Hey Casey! We are so happy to hear that Joe gave you an awesome experience! Thanks so much for choosing Sullivan's 🙂
Rachael Ortega
4 days ago
My drip shield needed repaired and they were so sweet and really helped me out. There was some confusion about my appointment on my part, but Tim stepped in and fixed it. I’ve only had great experiences with them, they’ve been honest and provided amazing service!
Response from the owner:Hey Rachael! Thanks so much for choosing Sullivan's! We are so happy you had a great experience with us!
Connie Hicks
4 days ago
Sullivan’s is awesome. Very honest and fair. I highly recommend this company for all your car repairs. Ask for Tim Hicks. Very knowledgeable and tells you everything you need to know about your repair needs.
Response from the owner:Hi Connie,

Thank you so much for your kind words! We pride ourselves on being honest and fair- we are so happy you felt those values during your visit with us. Hope to see you again soon.
Jill H Sales
5 days ago
Pat really helped me out. Good dude. Great shop.
Response from the owner:Jill!! Thank you so much for choosing us! We pride ourselves on being hospitable and putting our customers first. We are so happy you felt the love during your visit with us!
Erika Savage
5 days ago
Sullivan’s is the best shop around. Kim at the front desk is great always so nice and friendly. They are very honest and trust worthy, I have no problem sending my teenage kids there when work needs be done on their cars because I know they will only do what needs to be done and will not take advantage of them.
Response from the owner:Erika- wow thank you so much for this review! As a family owned company, we pride ourselves on being honest and trustworthy and we are so happy to hear that you trust us to do business with your teenage kids. They are in great hands with us! Thanks again
Airlinelad
6 days ago
Got my driver side headlight fixed after getting into an accident. I had Pat help me, he was super friendly, easy to talk to and just walked me through everything super clearly. They got it done extremely quick, and the price was super reasonable.
Response from the owner:Hey there! Thank you so much for your review! Pat is a great asset to our team and we are so happy he was able to make this process quick and seamless for you. Thank you for choosing Sullivan's!!
Vittoria Nicole
1 week ago
Patrick was very helpful!!! Will be back sooon!
Response from the owner:Hi Vittoria! We are so glad to hear Patrick was able to help you out! Thank you for choosing Sullivan's 🙂
54texted
2 weeks ago
Patrick was a great help!
They do a terrible job!
Great local company!
Response from the owner:Hi there! Thank you for choosing Sullivan's. We are happy to hear that Patrick was a great help. Can you give us a call to clarify what you mean terrible job? Did you mean "terrific"? 🙂
281-359-3598- thank you
Hugo Barrera
2 weeks ago
Patrick and Andrew are the best. The worked together as a team to get my wife's car out. I will never go anywhere else again!
Response from the owner:Hey Hugo! Thank you so much for your kind words. We are so happy we were able to get your wife's car out and have earned your business through our teamwork and high efforts. Happy Motoring!
Kathy Pierce
3 weeks ago
My OLD Corolla had an idling/emissions problem. This was my first visit to Sullivans. Joe quickly diagnosed the issue and replaced the part. Hats off to Joe and the friendly team; it runs so much better now!
Response from the owner:Hi Kathy! Thank you so much for allowing Sullivan's to service your Corolla. We are happy that Joe and the Team were able to exceed your expectations! Thanks again and happy motoring!!
Vehicle AC and Heater Repair in Kingwood, TX

Signs Your Vehicle Needs AC or Heater Repair

Knowing when to schedule car AC repair or car heater repair can save you from bigger problems later. Watch for these warning signs:

  • Weak or no airflow from vents
  • Warm air when AC is on, cold air when heater is on
  • Unusual odors from vents
  • Strange noises when AC or heat is running
  • Fogging windows that won’t clear quickly

If you notice any of these symptoms, Sullivan’s can perform a thorough AC inspection to pinpoint the issue and recommend the best repair option.

Related Resource

Explore our Preventative Maintenance page for other essential care services.

Why Choose Sullivan’s for Auto HVAC Repair

Since 1985, Sullivan’s has been providing honest, dependable automotive care to drivers in Kingwood and the surrounding areas. When it comes to automotive AC and heating repair, our customers trust us for:

  • Over 40 years of experience in auto repair and maintenance
  • ASE-certified technicians trained in modern HVAC systems
  • Accurate diagnostics to avoid unnecessary repairs
  • Transparent pricing and clear repair explanations
  • Lifetime workmanship warranty on all repairs

We don’t just fix your problem, we help you understand what caused it and how to prevent it from happening again.

Preventive Maintenance for Your AC & Heating System

Regular auto AC repair and HVAC maintenance can extend the life of your system, improve performance, and save you money. Our preventive services include refrigerant checks, belt inspections, and cleaning components to keep everything running smoothly.

Expert Tip

Running your AC for 10 minutes every couple of weeks — even in winter — helps keep seals lubricated and prevents refrigerant leaks.

Schedule Your Automotive AC Repair in Kingwood Today

Don’t wait until the Texas heat or a cold snap leaves you stranded without climate control. For fast, professional automotive AC repair, car heater repair, or complete auto HVAC repair, trust the experts at Sullivan’s Truck, Auto & Collision.

Call 281-359-3598 now or request your appointment online and enjoy comfortable, reliable climate control in your vehicle year-round.

Automotive AC & Heating Repair FAQs

Why is my car’s AC blowing warm air?

This could be due to low refrigerant, a failing compressor, or a leak in the system.

How often should I service my vehicle’s AC?

We recommend an inspection at least once a year, ideally before summer.

What causes a heater to stop working?

Common causes include low coolant, a faulty heater core, or issues with the blower motor.

Can I drive with a broken AC or heater?

While it won’t stop your car from moving, a failed HVAC system can affect defrosting and visibility, creating safety risks.

Do you service both cars and trucks?

Yes — we provide truck AC repair and car AC repair for all makes and models, as well as commercial fleet services.