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AC & Heating Diagnosis 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.

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
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.
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.
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.

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.

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.
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
Kimi Fritsch
“We came back from a trip to our HVAC acting up. We were able to get a technician out in less than 24 hours. Our tech was Kevin. He was amazing! Kevin was very professional and knowledgeable. He also did not rush me with any questions. Would 100% use them again and would recommend Kevin to anyone!”
Oscar Gonzalez
“Daniel the technician was polite, knowledgeable and thorough. His explanations for recommended maintenance made sense and he was able to demonstrate to me in real time the benefit of the fixes he made to the HVAC system. ABC is pricier than most but they’ve always done good work for me. I will continue to use them because of techs like Daniel.”

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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?