AC & Heating Diagnostic & Repair in San Antonio, TX

Heating and cooling systems are complex. If you're in need of AC and heating diagnosis in San Antonio, you can rely on ABC Home & Commercial Services. Our licensed specialists are available all day, every day. We can quickly diagnose and fix any issue you have so that your home feels comfortable again.

a licensed heating and cooling specialist diagnosing an air conditioning problem

We’ll discuss all prices with you upfront. We don’t charge by the hour, and we won’t surprise you with a bigger bill at the end of service. The price you are quoted is what you will pay, no matter how long the repair takes to be completed.

After diagnosing your problem, our specialist will explain to you the various solutions we can offer and the cost of each option. When you approve one of the repair options, we’ll perform the work immediately and work with your schedule to make things convenient. Our trucks are fully stocked with most components your system will need. We service all brands and models, and our technicians are trained on how to repair for older equipment as well.

The ABC Process

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1. Contact ABC

When you contact us, we will schedule a service call to evaluate the problem. For emergencies, we will send a pro to your home as soon as possible.

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2. Get An Estimate

We'll provide you with an estimate for all needed services. Once we get your approval, our pros will get right to work.

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3. Perform Services

We will work quickly to perform the desired services. At the end of your service call, we'll update you on what we did and any other needed follow-up.

4. Ongoing Maintenance

Customers who sign up for our Advantage Maintenance Plan receive two tune-ups a year and peace of mind that their system is working as it should.

ABC provides 24/7 services for air conditioning and heating system emergencies

24/7 Emergency Service Available

24 hours a day, 7 days a week. We even work holidays and strive to make our specialists available whenever you need them.

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Get Started

We offer a full range of air conditioning & heating services.

Our air conditioning specialists are experts – factory-trained with continuing education provided by our Master License holder and top manufacturing company technical representatives. Additionally, our specialists hold certifications from the most stringent certifying organization in the industry, the North American Technician Excellence Organization (NATE). As a participating member of the Air Conditioning Contractors of America (ACCA) – both locally and nationally – all of our specialists work on advancing their skills and accreditations year round.

Thinking about a career with the ABC AC & Heating team?
Watch this video & check our Current Job Opportunities
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Get Started

We offer a full range of air conditioning & heating services.

More Heating and Air Conditioning Service Solutions in San Antonio

What Our Customers Are Saying

Based on 884 reviews

Holland Jones

8/29/2025

“ABC has always been top rate: friendly and helpful from scheduling to the techs. I’ve used them for HVAC and they are honest and shoot you straight. These days most of the formerly locally owned shops are bought up by Private Equity and they are just trying to run the rates sky high (while keeping the old name and pretending to be small and local). ABC is still proudly locally owned and operated; they know that good service and honesty will bring them more business in the long run and that’s who I like to work with! I recently worked with Kevin G who was awesome; friendly, kind, informative, and efficient. He also said how much he enjoys working for ABC and how well he is treated; which is another good reason to use them!”

Jeff Howard

5/21/2025

“We got a complete new Lennox 2-stage system with Aprilaire installed by ABC. They did a great job from the very beginning where Cade helped us understand what we need and why, to Mark who bid the job and helped us make a decision, to Steve who did a great install job in exactly as much time as he said it would take. This kind of work aint cheap or small, so we’re glad that ABC does good work and stands behind it.”

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ABC's Complete List of Home Services in San Antonio

Why deal with multiple service providers when ABC can do it all?

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Service & Replacement of Most Major Brands

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24/7 Service, Repairs, Installation & Upgrades

Exterior Cleaning

Gutter Cleaning, Window Cleaning, Power Washing & Trash Can Cleaning

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Carpentry, Painting & More

Holiday Décor

Installation & Removal

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Cleaning, Maintenance & Repair

Awards & Expertise