HVAC Repair in Castle Hills, TX

ASC Heating & Air delivers expert HVAC repair services to keep your heating and cooling systems running efficiently and reliably. Serving Castle Hills and nearby areas, our certified technicians are available 24/7 for emergency AC repairs and offer fast, same-day service. As a trusted, locally owned HVAC company in San Antonio, we’re committed to dependable solutions that prioritize your comfort year-round.
    • 24/7 Emergency AC Repair
    • Certified, Skilled Technicians
    • Fast, Same-Day Service
    • Complete HVAC Solutions
    • Trusted by Castle Hills Residents
Keep your cool with our reliable HVAC repair services — let’s get your comfort back on track today!

Request Appointment

Need a service? We’ll accommodate your schedule. Call us at (210) 761-5130 or drop us a line below.

WHY CHOOSE US

When it comes to HVAC repair, we know you want a team that’s reliable and efficient — and that’s exactly what we provide. Our certified technicians are ready to tackle any issue, offering fast, same-day service to get your system back up and running. Plus, with 24/7 emergency AC repair, we’re always available when you need us most. As a locally owned business, we take pride in serving Castle Hills with honesty and quality service you can trust. Let’s keep your home comfortable and your HVAC system running strong — together.

HOW CAN WE HELP

At ASC Heating & Air, we understand how important it is to have a properly working HVAC system, especially in Castle Hills, TX. That’s why we’re committed to providing dependable and efficient HVAC repair whenever you need it. Whether it’s a small issue or a major breakdown, our experienced technicians can handle it all. We work hard to make sure your system runs smoothly so you can enjoy a comfortable home or business. You can rely on us to restore your HVAC system to peak performance quickly and efficiently.

Experience Trustworthy HVAC Repair with ASC Heating & Air in Castle Hills, TX

When it comes to HVAC repair, trust matters most. At ASC Heating & Air, we’ve built our reputation on reliability and honesty. We provide fast, same-day service across Castle Hills and always communicate clearly about what needs to be done. You’ll never have to worry about hidden costs or unnecessary repairs — just straightforward, quality service.
We value your time and understand how stressful heating or cooling issues can be. That’s why we approach every job with care and integrity, giving you peace of mind and control over your repair decisions.
As a local business, we treat every customer like family. Our goal isn’t just to fix your HVAC system but to make sure you feel confident and comfortable throughout the process. With ASC Heating & Air, you’re more than a customer — you’re a neighbor we’re proud to serve.

System Malfunction Resolution

HVAC malfunctions can be frustrating, especially when the weather’s extreme. From unresponsive thermostats to strange noises, every symptom points to a potential issue that needs quick attention. Our team is trained to diagnose and repair these problems accurately, ensuring your comfort is restored fast.
We start with a detailed inspection to find the root cause — whether it’s a faulty compressor, ductwork problem, or electrical issue. Fixing the source instead of just the symptoms saves you time, money, and stress.
With our 24/7 emergency repair service, help is always just a call away. Day or night, we’re ready to respond with the tools and expertise needed to get your system running again.
ASC Heating & Air technician in San Antonio, TX

The Unseen Importance of HVAC Repair

Let’s face it — we often take our HVAC systems for granted. We ignore the rattling sounds or temperature swings and hope they’ll fix themselves. But when the system finally gives out on a scorching day or freezing night, we realize just how much we rely on it.
Regular HVAC repair isn’t just about fixing problems; it’s about preventing breakdowns before they happen. Ignoring small issues can lead to costly damage later. Think of it like car maintenance — taking care of it early saves you money and stress in the long run.
Keeping up with routine HVAC care ensures your home stays comfortable, your system lasts longer, and your energy bills stay lower. It’s a simple way to protect your comfort year-round.

The Essential Value of HVAC Repair: Keeping Your Comfort Intact

A reliable HVAC system is the key to home comfort. That’s why timely HVAC repair is so valuable. Whether it’s summer heat or winter chill, we’re here to keep your system running strong.
When issues arise, our team works quickly to find and fix the problem, restoring comfort fast. Regular repairs also help prevent bigger issues and improve energy efficiency, saving you money over time.
By keeping your HVAC system in good condition, you can avoid expensive replacements and enjoy a consistent, comfortable home environment. Let ASC Heating & Air help you protect your comfort and peace of mind.
AC Repair technician in San Antonio, TX

Discounts

First Responder, Educator, Senior Citizen, Military & Veteran

Electrical Rebates

CPS Energy Federal Tax Rebates

Financing

0% Financing Available 2nd Chance Financing Available

Best in class warranty

10 year parts and labor warranty on most systems

Why Choose ASC Heating & Air for HVAC Services?

For homes and businesses in San Antonio, TX in need of HVAC services like air conditioner repair, there are several reasons to choose the experts from ASC Heating & Air.

HIGHLY RATED HVAC COMPANY

Our team has over 200 5-star reviews raving about the quality of our heating and cooling services.

ABOVE STANDARDS

At ASC Heating & Air, we carry over a dozen HVAC industry certifications, making us a cut above the rest.

PROMPT & UPFRONT PRICING

Our HVAC technicians provide a price on their first visit and always before starting a job.

GREAT WARRANTIES AVAILABLE

On select services, we offer 5 to 10-year factory warranties as well as up to 10-year labor warranties.

FINANCING AVAILABLE

From great credit to credit in repair, we offer multiple financing options to help ensure you get the cooling and heating comfort you need.

ABOVE STANDARDS

If your new unit does not work to your satisfaction, you get a free replacement during the first year. Contact us for more information!

Get Financing

Payment Plans Available

Protect Your Home With Our Preventative Maintenance Plans!

Payment Plans Available

Get Service Today!

Give ASC Heating and Air a call today at (210) 761-5130 if you would like to make an appointment or request a quote for one of our services.

Our Brands

At ASC Heating & Air, our HVAC professionals have the expertise to service air conditioners, furnaces, and other HVAC equipment from brands like Trane, York, and more

Awards

Our Service Areas

With a foundation built on the principles of honesty, quality, craftsmanship, and integrity, our business strives to set itself apart from the hoard of companies clamoring for attention in the Alamo City and the greater San Antonio include:

Frequently Asked Questions

What signs indicate that my HVAC system needs repair?
Watch out for strange noises, uneven temperatures, higher energy bills, or if your system is blowing warm air instead of cool. If you notice any of these issues, it’s best to schedule a professional inspection.
We aim to provide fast, same-day service whenever possible. The repair time depends on the problem’s complexity, but we always work quickly to get your comfort restored.
Yes! Our certified technicians have the training and experience to diagnose and repair all types of HVAC systems.
No worries — we offer 24/7 emergency AC repair. Call us anytime, and we’ll send a technician right away to fix the issue.
Routine maintenance helps prevent major issues. Schedule regular inspections with our team to keep your system efficient and extend its lifespan.

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