Are you considering making the switch to a tankless water heater? Before you dive in, there are a few things that you should know about how tankless water heaters work.
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.
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
Indoor Air Quality (IAQ)
You don't have to live with humidity, odor, or allergy issues in your home. Let one of our specialists address your indoor air quality needs.
Filter Delivery
If you can never remember to change your air filters, you aren't alone. We can deliver the right filters, when you need them, right to your doorstep.
AC & Heating Maintenance & Tune-ups
Maintenance is the best way to extend the life of your system. We can make sure your home is ready for our hottest days and coolest nights.
AC & Heating System Installation
If it's time to upgrade your heating and cooling system, you can count on us to get your new unit installed quickly and correctly.
What Our Customers Are Saying
Jayne King
12/5/2025
“I can honestly say that my service today with Jeremy was exceptional! Jeremy performed the service quickly and professionally and answered all of my silly questions patiently . He also spoke highly of his company, peers and management! He also recommended with no sales pressure a service I might benefit from and as requested, he relayed to his office my interest and a follow up appointment has been scheduled. Bailey scheduled the appointment and she was also very helpful! Thank you ABC for creating a culture that exceeds your customers expectations!”
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!”
How Does a Tankless Water Heater Work?
Early Signs of Termites
As a homeowner, you spend time and effort keeping up with the maintenance of your home. Unfortunately, there’s a pest that can quietly cause extensive damage: termites.
ABC's Complete List of Home Services in San Antonio
Why deal with multiple service providers when ABC can do it all?
