When the power goes out, a standby generator can feel like a lifesaver. These machines offer peace of mind during outages, but like any mechanical system, they need a little attention to stay reliable...
AC & Heating System Installation in San Antonio, TX
Unfortunately, there comes a time when your heating and cooling system just doesn’t work as well as it used to. Or, maybe it stops working completely. When this happens, you can turn to ABC Home & Commercial Services. Our licensed professionals provide AC and heating system replacements in San Antonio. You can rely on our pros to advise you on the best unit for your home and needs and install a new system so your home is comfortable again.

Our HVAC Comfort Advisor will do a no charge and no obligation replacement recommendation based on your home’s specific needs. Your desire for comfort, energy efficiency, and the design of your home are all taken into consideration.
Weatherization and ductwork are also taken into account during this time. Our Comfort Advisor will give you a written list of recommendations and options to discuss your home comfort needs.
Lastly, a Quality Assurance tune up is conducted a few weeks after installation to ensure everyone is functioning properly, and that you’re getting what you want out of your system.
The ABC Process
1. Contact ABC
When you contact us, we will schedule a service call to perform a diagnostic to determine whether you need a new system.
2. Perform Diagnostic
We'll test for air leaks, evaluate airflow, perform calculations to confirm your equipment size, inspect ductwork and confirm insulation levels.
3. Get Estimate
Based on what we learn during your diagnostic, we will generate an estimate that takes into account manufacturer and local rebates.
4. Installation
We’ll make sure your system is properly installed and provide you with a recommended maintenance schedule.
To avoid expensive repairs on older units, it’s usually time to purchase a new system when the age of components and costs of needed repairs gets excessive. We know this is a big decision, and we’ll help you make this process as easy as possible.

Get Started
We offer a full range of air conditioning & heating services.
From energy efficiency, to reducing home energy consumption, and saving on air conditioning costs, there are a great deal of benefits to a new system. Customers commonly see savings of 30% to 50% on air conditioning costs when they upgrade to a new system for their home.
Frequently Asked Questions
Are there signs that my system may need replacement?
- The outside unit is more than 10 years old
- The inside unit is more than 15 years old
- The system needs frequent repairs
- Your utility costs continue to rise
- Some rooms in your home are hotter or colder than others
- The system is louder or your home is more humid than you’d prefer
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
Tom
“Our front lawn was beyond help so we hired ABC to replace the grass and install limestone chop block borders. Vince Ng handled the estimate and oversight while the work was done by the site supervisor, Benjamin, along with Fidel and Juan. They were timely, professional, AND thorough!! We are so thrilled with the results and bonus was the price was very reasonable. When they planted the shade tolerant St. Augustine last month, it was pretty dormant but is greening up nicely. Highly recommend ABC…we also use them for irrigation and just started monthly lawn maintenance. Very happy customers!!”
P Brown
“4/1/25 ABC Lawn &Commercial came out to cut our lawn and they did an A+ job or 5 ⭐️ job! Their hard workers and completely reliable and trustworthy employees! Ty ABC for a job well done! My yard is beautiful♥️♥️♥️I highly recommend this company!”

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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?